10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

    For the quarterly period ended June 30, 2023

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

    For the transition period from                      to                     

Commission File Number 1-33579

INTERDIGITAL, INC.

(Exact Name of Registrant as Specified in Its Charter)

Pennsylvania	82-4936666
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

200 Bellevue Parkway, Suite 300, Wilmington, DE 19809-3727

(Address of Principal Executive Offices and Zip Code)

(302) 281-3600

(Registrant’s Telephone Number, Including Area Code)

Securities registered pursuant to Section 12(b) of the Exchange Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.01 per share	IDCC	Nasdaq Stock Market LLC

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports); and (2) has been subject to such filing requirements for the past 90 days. Yes ☑ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☑ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☑	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No þ

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

Common Stock, par value $0.01 per share	26,407,096
Title of Class	Outstanding at August 1, 2023

INDEX

	PAGES
Part I — Financial Information:	3
Item 1 Financial Statements (unaudited):	3
Condensed Consolidated Balance Sheets — June 30, 2023 and December 31, 2022	3
Condensed Consolidated Statements of Income — Three and Six Months Ended June 30, 2023 and 2022	4
Condensed Consolidated Statements of Comprehensive Income — Three and Six Months Ended June 30, 2023 and 2022	5
Condensed Consolidated Statements of Shareholders' Equity — Three and Six Months Ended June 30, 2023 and 2022	6
Condensed Consolidated Statements of Cash Flows — Six Months Ended June 30, 2023 and 2022	8
Notes to Condensed Consolidated Financial Statements	9
Item 2 Management’s Discussion and Analysis of Financial Condition and Results of Operations	24
Item 3 Quantitative and Qualitative Disclosures About Market Risk	37
Item 4 Controls and Procedures	37
Part II — Other Information:	38
Item 1 Legal Proceedings	38
Item 1A Risk Factors	38
Item 2 Unregistered Sales of Equity Securities and Use of Proceeds	39
Item 4 Mine Safety Disclosures	39
Item 5 Other Information	39
Item 6 Exhibits	40
SIGNATURES	41

InterDigital® is a registered trademark of InterDigital, Inc. All other trademarks, service marks and/or trade names appearing in this Quarterly Report on Form 10-Q are the property of their respective holders.

PART I — FINANCIAL INFORMATION

Item 1. FINANCIAL STATEMENTS

INTERDIGITAL, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except per share data)

(unaudited)

	JUNE 30, 2023		DECEMBER 31, 2022
ASSETS
CURRENT ASSETS:
Cash and cash equivalents	$	277,599	$	693,479
Short-term investments	563,124		508,298
Accounts receivable	236,794		53,182
Prepaid and other current assets	114,630		89,716
Total current assets	1,192,147		1,344,675
PROPERTY AND EQUIPMENT, NET	11,683		11,338
PATENTS, NET	336,990		353,999
DEFERRED TAX ASSETS	94,278		94,373
OTHER NON-CURRENT ASSETS, NET	125,081		95,720
Total non-current assets	568,032		555,430
TOTAL ASSETS	$	1,760,179	$	1,900,105
LIABILITIES AND SHAREHOLDERS’ EQUITY
CURRENT LIABILITIES:
Current portion of long-term debt	$	125,628	$	—
Accounts payable	8,313		9,997
Accrued compensation and related expenses	22,315		38,400
Deferred revenue	172,650		189,059
Dividends payable	9,273		10,384
Other accrued expenses	108,325		23,506
Total current liabilities	446,504		271,346
LONG-TERM DEBT	483,917		607,066
LONG-TERM DEFERRED REVENUE	172,582		237,580
OTHER LONG-TERM LIABILITIES	56,820		53,600
TOTAL LIABILITIES	1,159,823		1,169,592
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS’ EQUITY:
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	—		—
Common Stock, $0.01 par value, 100,000 shares authorized, 69,372 and 71,923 shares issued and 26,569 and 29,668 shares outstanding	693		719
Additional paid-in capital	726,852		717,102
Retained earnings	1,396,393		1,492,046
Accumulated other comprehensive loss	(2,176)		(916)
	2,121,762		2,208,951
Treasury stock, 42,803 and 42,255 shares of common stock held at cost	1,526,545		1,484,056
Total InterDigital, Inc. shareholders’ equity	595,217		724,895
Noncontrolling interest	5,139		5,618
Total equity	600,356		730,513
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	1,760,179	$	1,900,105

The accompanying notes are an integral part of these statements.

3

INTERDIGITAL, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(in thousands, except per share data)

(unaudited)

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2023		2022		2023		2022
REVENUES	$	101,591	$	124,657	$	303,964	$	225,975
Research and portfolio development	49,878		45,177		99,307		89,354
Licensing	16,644		17,326		38,012		32,856
General and administrative	11,693		9,516		24,008		20,400
Restructuring activities	—		2,738		—		3,280
Total Operating expenses	78,215		74,757		161,327		145,890
Income from operations	23,376		49,900		142,637		80,085
INTEREST EXPENSE	(12,141)		(6,272)		(24,228)		(11,787)
OTHER INCOME (EXPENSE), NET	14,387		(15,016)		27,578		(16,021)
Income before income taxes	25,622		28,612		145,987		52,277
INCOME TAX PROVISION	(4,329)		(8,028)		(21,174)		(13,989)
NET INCOME	$	21,293	$	20,584	$	124,813	$	38,288
Net loss attributable to noncontrolling interest	(490)		(485)		(2,229)		(775)
NET INCOME ATTRIBUTABLE TO INTERDIGITAL, INC.	$	21,783	$	21,069	$	127,042	$	39,063
NET INCOME PER COMMON SHARE — BASIC	$	0.81	$	0.69	$	4.58	$	1.28
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING — BASIC	26,768		30,413		27,754		30,557
NET INCOME PER COMMON SHARE — DILUTED	$	0.79	$	0.69	$	4.46	$	1.26
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING — DILUTED	27,655		30,710		28,494		30,992

The accompanying notes are an integral part of these statements.

4

INTERDIGITAL, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in thousands)

(unaudited)

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2023		2022		2023		2022
Net income	$	21,293	$	20,584	$	124,813	$	38,288
Unrealized loss on investments, net of tax	(1,839)		(57)		(1,260)		(367)
Comprehensive income	$	19,454	$	20,527	$	123,553	$	37,921
Comprehensive loss attributable to noncontrolling interest	(490)		(485)		(2,229)		(775)
Total comprehensive income attributable to InterDigital, Inc.	$	19,944	$	21,012	$	125,782	$	38,696

The accompanying notes are an integral part of these statements.

5

INTERDIGITAL, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY

(in thousands, except per share data)

(unaudited)

	Common Stock			Additional  Paid-In Capital		Retained Earnings		Accumulated Other Comprehensive  Loss		Treasury Stock			Non-Controlling Interest		Total Shareholders' Equity
	Shares	Amount								Shares	Amount
BALANCE, DECEMBER 31, 2021	71,720	$	717	$	713,599	$	1,441,105	$	(571)	41,031	$	(1,409,611)	$	7,678	$	752,917
Net income attributable to InterDigital, Inc.	—	—		—		17,994		—		—	—		—		17,994
Net loss attributable to noncontrolling interest	—	—		—		—		—		—	—		(290)		(290)
Noncontrolling interest distribution	—	—		—		—		—		—	—		(1,928)		(1,928)
Noncontrolling interest contributions	—	—		—		—		—		—	—		1,500		1,500
Net change in unrealized loss on short-term investments	—	—		—		—		(310)		—	—		—		(310)
Dividends declared ($0.35 per share)	—	—		158		(10,961)		—		—	—		—		(10,803)
Exercise of common stock options	24	—		1,226		—		—		—	—		—		1,226
Issuance of common stock, net	139	1		(5,027)		—		—		—	—		—		(5,026)
Amortization of unearned compensation	—	—		5,386		—		—		—	—		—		5,386
BALANCE, MARCH 31, 2022	71,883	$	718	$	715,342	$	1,448,138	$	(881)	41,031	$	(1,409,611)	$	6,960	$	760,666
Net income attributable to InterDigital, Inc.	—	—		—		21,069		—		—	—		—		21,069
Net loss attributable to noncontrolling interest	—	—		—		—		—		—	—		(485)		(485)
Net change in unrealized loss on short-term investments	—	—		—		—		(57)		—	—		—		(57)
Dividends declared ($0.35 per share)	—	—		153		(10,533)		—		—	—		—		(10,380)
Issuance of common stock, net	29	1		(708)		—		—		—	—		—		(707)
Amortization of unearned compensation	—	—		3,977		—		—		—	—		—		3,977
Repurchase of common stock	—	—		—		—		—		1,224	(74,445)		—		(74,445)
Net convertible note hedge transactions, net of tax	—	—		(54,257)		—		—		—	—		—		(54,257)
Net warrant transactions	—	—		39,863		—		—		—	—		—		39,863
BALANCE, JUNE 30, 2022	71,912	$	719	$	704,370	$	1,458,674	$	(938)	42,255	$	(1,484,056)	$	6,475	$	685,244

6

	Common Stock			Additional  Paid-In Capital		Retained Earnings		Accumulated Other Comprehensive  Loss		Treasury Stock			Non-Controlling Interest		Total Shareholders' Equity
	Shares	Amount								Shares	Amount
BALANCE, DECEMBER 31, 2022	71,923	$	719	$	717,102	$	1,492,046	$	(916)	42,255	$	(1,484,056)	$	5,618	$	730,513
Net income attributable to InterDigital, Inc.	—	—		—		105,259		—		—	—		—		105,259
Net loss attributable to noncontrolling interest	—	—		—		—		—		—	—		(1,739)		(1,739)
Noncontrolling interest contributions	—	—		—		—		—		—	—		1,750		1,750
Net change in unrealized loss on short-term investments	—	—		—		—		579		—	—		—		579
Dividends declared ($0.35 per share)	—	—		259		(9,708)		—		—	—		—		(9,449)
Exercise of common stock options	13	—		687		—		—		—	—		—		687
Issuance of common stock, net	132	1		(6,709)		—		—		—	—		—		(6,708)
Amortization of unearned compensation	—	—		7,790		—		—		—	—		—		7,790
Repurchase of common stock	(2,739)	(27)		—		(203,354)		—		—	—		—		(203,381)
BALANCE, MARCH 31, 2023	69,329	$	693	$	719,129	$	1,384,243	$	(337)	42,255	$	(1,484,056)	$	5,629	$	625,301
Net income attributable to InterDigital, Inc.	—	—		—		21,783		—		—	—		—		21,783
Net loss attributable to noncontrolling interest	—	—		—		—		—		—	—		(490)		(490)
Net change in unrealized loss on short-term investments	—	—		—		—		(1,839)		—	—		—		(1,839)
Dividends declared ($0.35 per share)	—	—		360		(9,633)		—		—	—		—		(9,273)
Exercise of common stock options	1	—		12		—		—		—	—		—		12
Issuance of common stock, net	42	—		(1,389)		—		—		—	—		—		(1,389)
Amortization of unearned compensation	—	—		8,740		—		—		—	—		—		8,740
Repurchase of common stock	—	—		—		—		—		548	(42,489)		—		(42,489)
BALANCE, JUNE 30, 2023	69,372	$	693	$	726,852	$	1,396,393	$	(2,176)	42,803	$	(1,526,545)	$	5,139	$	600,356

The accompanying notes are an integral part of these statements.

7

INTERDIGITAL, INC. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(unaudited)

	For the Six Months Ended June 30,
	2023		2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	124,813	$	38,288
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	39,171		40,436
Non-cash interest (income) expense, net	(6,330)		3,058
Non-cash change in fair-value	(3,258)		(1,404)
Change in deferred revenue	(81,407)		(127,700)
Loss on extinguishment of debt	—		11,190
Deferred income taxes	430		9,850
Share-based compensation	16,530		9,363
Impairment of assets	2,500		2,427
Other	81		—
(Increase) decrease in assets:
Receivables	(183,612)		(17,688)
Deferred charges and other assets	(51,818)		1,434
(Decrease) increase in liabilities:
Accounts payable	(955)		5,701
Accrued compensation and other expenses	70,563		(26,695)
Net cash used in operating activities	(73,292)		(51,740)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of short-term investments	(531,556)		(1,929)
Sales of short-term investments	485,528		166,729
Purchases of property and equipment	(2,603)		(762)
Capitalized patent costs	(18,914)		(21,323)
Net cash (used in) provided by investing activities	(67,545)		142,715
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of convertible senior notes	—		460,000
Purchase of convertible bond hedge	—		(80,500)
Proceeds from issuance of warrants	—		43,700
Payments on long-term debt	—		(282,499)
Proceeds from hedge unwind	—		11,851
Payment for warrant unwind	—		(3,837)
Payments of debt issuance costs	(100)		(8,726)
Repurchase of common stock	(245,870)		(74,445)
Net proceeds from exercise of stock options	699		1,226
Non-controlling interest contribution	1,750		1,500
Taxes withheld upon restricted stock unit vestings	(8,098)		(5,733)
Dividends paid	(19,833)		(21,544)
Net cash (used in) provided by financing activities	(271,452)		40,993
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(412,289)		131,968
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	703,161		713,224
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	$	290,872	$	845,192

Refer to Note 1, "Basis of Presentation," for additional supplemental cash flow information. Additionally, refer to Note 6, "Cash, Concentration of Credit Risk and Fair Value of Financial Instruments" for a reconciliation of cash, cash equivalents and restricted cash to the condensed consolidated balance sheets.

The accompanying notes are an integral part of these statements.

8

INTERDIGITAL, INC. AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

June 30, 2023

(unaudited)

1. BASIS OF PRESENTATION

In the opinion of management, the accompanying unaudited, condensed consolidated financial statements contain all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the financial position of InterDigital, Inc. (individually and/or collectively with its subsidiaries referred to as “InterDigital,” the “Company,” “we,” “us” or “our,” unless otherwise indicated) as of June 30, 2023, the results of our operations for the three and six months ended June 30, 2023 and 2022 and our cash flows for the six months ended June 30, 2023 and 2022. The accompanying unaudited, condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and, accordingly, do not include all of the detailed schedules, information and notes necessary to state fairly the financial condition, results of operations and cash flows in conformity with United States generally accepted accounting principles (“GAAP”). The year-end condensed consolidated balance sheet data was derived from audited financial statements but does not include all disclosures required by GAAP for year-end financial statements. Therefore, these financial statements should be read in conjunction with the financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022 (our “2022 Form 10-K”) as filed with the Securities and Exchange Commission (“SEC”) on February 15, 2023. Definitions of capitalized terms not defined herein appear within our 2022 Form 10-K. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year. We have one reportable segment.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates.

Change in Accounting Policies

There have been no material changes or updates to our existing accounting policies from the disclosures included in our 2022 Form 10-K, except as indicated below in "New Accounting Guidance".

Reclassifications

Certain reclassifications have been made to prior year amounts to conform to the current year presentation.

During 2022, the Company made reclassifications between the operating expenses lines on the consolidated income statement in order to more clearly reflect the Company’s investments to create and protect the value of our innovations. The Company grouped research and portfolio related costs within the line "Research and portfolio development", previously referred to as "Development", which resulted in reclassifying certain portfolio related costs out of the "Licensing" line, previously referred to as "Patent administration and licensing", and into "Research and portfolio development." The impact of this reclassification was $28.1 million and $54.7 million for the three and six months ended June 30, 2022, respectively. Additionally, the previous "Selling, general, and administrative" line is now referred to as "General and administrative".

During 2022, we updated our disaggregated revenue disclosures to provide information to enable investors to better understand the composition of revenue from contracts with customers. As a result, variable patent royalty revenue and fixed-fee royalty revenue was combined and disaggregated into the Smartphone and CE, IoT/Auto groupings. Additionally, the Other category includes current technology solutions revenues and catch-up revenues is comprised of past patent royalties and revenues from static agreements. We believe this better reflects both our current revenue sources and our growth opportunities across these vertical markets.

9

Supplemental Cash Flow Information

The following table presents additional supplemental cash flow information for the six months ended June 30, 2023 and 2022 (in thousands):

	Six months ended June 30,
SUPPLEMENTAL CASH FLOW INFORMATION:	2023		2022
Interest paid	$	9,312	$	3,938
Income taxes paid, including foreign withholding taxes	21,132		4,363
Non-cash investing and financing activities:
Dividend payable	9,273		10,380
Accrued debt issuance costs	—		1,233
Right-of-use assets obtained in exchange of operating lease liabilities	93		417
Non-cash acquisition of patents	—		30,100
Non-cash distribution of patents	—		1,928
Accrued capitalized patent costs and property and equipment purchases	729		3,634
Unsettled repurchase of common stock	1,998		—

New Accounting Guidance

No new accounting pronouncement issued or effective during first half of 2023 has or is expected to have a material impact on our condensed consolidated interim financial statements.

10

2. REVENUE

Disaggregated Revenue

The following table presents the disaggregation of our revenue for the three and six months ended June 30, 2023 and 2022 (in thousands):

	Three months ended June 30,
	2023		2022		Total Increase/(Decrease)
Recurring revenues:
Smartphone	$	85,075	$	87,484	$	(2,409)	(3)	%
CE, IoT/Auto	13,432		11,945		1,487		12	%
Other	566		672		(106)		(16)	%
Total recurring revenues	99,073		100,101		(1,028)		(1)	%
Catch-up revenues a	2,518		24,556		(22,038)		(90)	%
Total revenues	$	101,591	$	124,657	$	(23,066)	(19)	%

	Six months ended June 30,
	2023		2022		Total Increase/(Decrease)
Recurring revenues:
Smartphone	$	172,506	$	175,182	$	(2,676)	(2)	%
CE, IoT/Auto	27,518		23,135		4,383		19	%
Other	622		911		(289)		(32)	%
Total recurring revenues	200,646		199,228		1,418		1	%
Catch-up revenues a	103,318		26,747		76,571		286	%
Total revenues	$	303,964	$	225,975	$	77,989	35	%

(a)    Catch-up revenues are comprised of past patent royalties and revenues from static agreements.

During the six months ended June 30, 2023, we recognized $102.4 million of revenue that had been included in deferred revenue as of the beginning of the period. As of June 30, 2023, we had contract assets of $35.1 million and $39.1 million included within "Accounts receivable" and "Other non-current assets, net" in the condensed consolidated balance sheet, respectively. As of December 31, 2022, we had contract assets of $32.9 million and $2.5 million included within "Accounts receivable" and "Other non-current assets, net" in the condensed consolidated balance sheet, respectively.

Contracted Revenue

Based on contracts signed and committed as of June 30, 2023, we expect to recognize the following revenue from dynamic fixed-fee royalty payments over the term of such contracts (in thousands):

	Revenue (a)
Remainder of 2023	$	178,651
2024	297,037
2025	284,283
2026	215,618
2027	213,257
2028 and Thereafter	472,696
Total Revenue	$	1,661,542

(a)    This table includes our estimated revenue related to Samsung and Lenovo.  In accordance with ASC 606, these estimates are limited to the amount of revenue we expect to recognize only to the extent it is probable that a subsequent change in the estimate would not result in a significant revenue reversal.

11

3. INCOME TAXES

In the six months ended June 30, 2023 and 2022, the Company had an estimated annual effective tax rate of 14.5% and 26.8%, respectively. The change in effective tax rate is due to an increase in the amount of Foreign Derived Intangible Income deduction benefit available to the Company due to higher taxable income inclusive of timing differences between the recognition of book and tax revenue. Additionally, the effective tax rate in both periods was impacted by losses in certain jurisdictions where the Company presently has recorded a valuation allowance against the related tax benefit. Excluding this valuation allowance, our effective tax rate for the six months ended June 30, 2023 and 2022 would have been 13.0% and 23.2%, respectively. During the six months ended June 30, 2023 the Company recorded a discrete net benefit of $1.2 million primarily related to share-based compensation. The prior period included a net discrete tax expense of $2.3 million related to the extinguishment of long-term debt recognized during second quarter of 2022.

The effective tax rate reported in any given year will continue to be influenced by a variety of factors, including timing differences between the recognition of book and tax revenue, the level of pre-tax income or loss, the foreign vs. domestic classification of the Company’s customers, and any discrete items that may occur.

During the six months ended June 30, 2023 and 2022, the Company paid approximately $6.0 million and $3.5 million, respectively, in foreign source creditable withholding tax.

4. NET INCOME PER SHARE

Basic Earnings Per Share ("EPS") is calculated by dividing net income or loss available to common shareholders by the weighted-average number of common shares outstanding for the period. Diluted EPS reflects the potential dilution that could occur if options or other securities with features that could result in the issuance of common stock were exercised or converted to common stock or resulting from the unvested outstanding restricted stock units ("RSUs"). The following tables reconcile the numerator and the denominator of the basic and diluted net income per share computation (in thousands, except for per share data):

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Net income applicable to InterDigital, Inc.	$	21,783	$	21,069	$	127,042	$	39,063
Weighted-average shares outstanding:
Basic	26,768		30,413		27,754		30,557
Dilutive effect of stock options, RSUs, convertible securities and warrants	887		297		740		435
Diluted	27,655		30,710		28,494		30,992
Earnings per share:
Basic	$	0.81	$	0.69	$	4.58	$	1.28
Dilutive effect of stock options, RSUs, convertible securities and warrants	(0.02)		—		(0.12)		(0.02)
Diluted	$	0.79	$	0.69	$	4.46	$	1.26

Shares of common stock issuable upon the exercise or conversion of certain securities have been excluded from our computation of EPS because the strike price or conversion rate, as applicable, of such securities was greater than the average market price of our common stock and, as a result, the effect of such exercise or conversion would have been anti-dilutive. Set forth below are the securities and the weighted average number of shares of common stock underlying such securities that were excluded from our computation of EPS for the periods presented (in thousands):

	Three months ended June 30,		Six months ended June 30,
	2023	2022	2023	2022
Restricted stock units and stock options	4	529	212	471
Warrants	7,488	5,880	7,488	5,400
Total	7,492	6,409	7,700	5,871

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Convertible Notes and Warrants

Refer to Note 7, "Obligations," for information about the Company's convertible notes and warrants and related conversion and strike prices. During periods in which the average market price of the Company's common stock is above the applicable conversion price of the Company's convertible notes, or above the strike price of the Company's outstanding warrants, the impact of conversion or exercise, as applicable, would be dilutive and such dilutive effect is reflected in diluted EPS. As a result, in periods where the average market price of the Company's common stock is above the conversion price or strike price, as applicable, under the if-converted method, the Company calculates the number of shares issuable under the terms of the convertible notes and the warrants based on the average market price of the stock during the period, and includes that number in the total diluted shares outstanding for the period.

5. LITIGATION AND LEGAL PROCEEDINGS

ARBITRATIONS AND COURT PROCEEDINGS

Lenovo

UK Proceedings

On August 27, 2019, the Company and certain of its subsidiaries filed a claim in the UK High Court against Lenovo Group Limited and certain of its subsidiaries. The claim, as amended, alleges infringement of five of the Company's patents relating to 3G and/or 4G/LTE standards: European Patent (UK) Nos. 2,363,008; 2,421,318; 2,485,558; 2,557,714; and 3,355,537. The Company sought, among other relief, injunctive relief to prevent further infringement of the asserted patents or, in the alternative, a determination of the terms of a FRAND license.

On July 29, 2021, the UK High Court issued its decision regarding the first technical trial finding European Patent (UK) No. 2,485,558 valid, infringed, and essential to Release 8 of LTE. Lenovo appealed this decision, and on January 19, 2023, the UK Court of Appeal upheld the UK High Court’s findings that Lenovo is infringing on InterDigital’s valid and essential patent. On January 6, 2022, the UK High Court issued its decision regarding the second technical trial finding European Patent (UK) No. 3,355,537 invalid, but essential and infringed but for the finding of invalidity. The Company appealed this decision as legally erroneous, and on February 9, 2023, the UK Court of Appeal allowed the appeal, finding that Lenovo is infringing on InterDigital’s valid and essential patent. On January 31, 2023, the UK High Court issued its decision regarding the third technical trial finding European Patent (UK) No. 2,421,318 valid, essential, and infringed. On March 7, 2023, the UK High Court issued an order staying all deadlines with respect to the fourth and fifth technical trials. On March 16, 2023, the UK High Court issued its order regarding judgement in the trial to determine how much Lenovo must pay for a license to the Company's portfolio of cellular assets, awarding the Company a lump sum of $138.7 million for such license through December 31, 2023. A form of order hearing took place in May 2023 regarding the license terms, interest, costs, and permission to appeal. On June 27, 2023, the court issued an order awarding the Company an additional $46.2 million, thus increasing the total award to $184.9 million, which was paid on July 11, 2023. The court also found that the Company should pay a portion of Lenovo’s costs and granted both parties permission to appeal on certain grounds. The judge has not yet determined the amount of Lenovo’s costs the Company must pay.

District of Delaware Patent Proceedings

On August 28, 2019, the Company and certain of its subsidiaries filed a complaint in the United States District Court for the District of Delaware (the "Delaware District Court") against Lenovo Holding Company, Inc. and certain of its subsidiaries alleging that Lenovo infringes eight of the Company's U.S. patents-U.S. Patent Nos. 8,085,665; 8,199,726; 8,427,954; 8,619,747; 8,675,612; 8,797,873; 9,203,580; and 9,456,449-by making, using, offering for sale, and/or selling Lenovo wireless devices with 3G and/or 4G LTE capabilities. As relief, InterDigital is seeking: (a) a declaration that the Company is not in breach of its relevant FRAND commitments with respect to Lenovo; (b) to the extent Lenovo does not agree to negotiate a worldwide patent license, does not agree to enter into binding international arbitration to set the terms of a FRAND license, and does not agree to be bound by the terms to be set by the UK High Court in the separately filed UK proceedings described above, an injunction prohibiting Lenovo from continued infringement; (c) damages, including enhanced damages for willful infringement and supplemental damages; and (d) attorneys’ fees and costs.

On September 16, 2020, the Delaware District Court entered a schedule for the case, setting a patent jury trial. On March 8, 2021, the Delaware District Court held a claim construction hearing, and the court issued its order on May 10, 2021, construing various disputed terms. On March 24, 2021, the Delaware District Court consolidated the antitrust proceeding discussed below with this patent proceeding. Trial for the consolidated proceedings was rescheduled from March 6, 2023 to July 10, 2023, and once again to December 4, 2023. On April 25, 2022, the parties filed a stipulation to stay only the claims relating to U.S. Patent No. 8,199,726. The stipulation was granted. On January 13, 2023, Lenovo filed a motion to sever and stay the Company’s patent infringement claims, requesting that its Sherman Act and breach of FRAND claims proceed to trial. On June 30, 2023, the parties submitted an update to the Court requesting that the case be stayed, and on July 18, 2023 the court ordered that the case be stayed pending all appeals in the UK proceedings.

13

District of Delaware Antitrust Proceedings

On April 9, 2020, Lenovo (United States) Inc. and Motorola Mobility LLC filed a complaint in the Delaware District Court against the Company and certain of its subsidiaries. The complaint alleges that the Company defendants have violated Sections 1 and 2 of the Sherman Act in connection with, among other things, their licensing of 3G and 4G standards essential patents ("SEPs"). The complaint further alleges that the Company defendants have violated their commitment to the ETSI with respect to the licensing of 3G and 4G SEPs on FRAND terms and conditions. The complaint seeks, among other things (i) rulings that the Company defendants have violated Sections 1 and 2 of the Sherman Act and are liable for breach of their ETSI FRAND commitments, (ii) a judgment that the plaintiffs are entitled to a license with respect to the Company's 3G and 4G SEPs on FRAND terms and conditions, and (iii) injunctions against any demand for allegedly excessive royalties or enforcement of the Company defendants' 3G and 4G U.S. SEPs against the plaintiffs or their customers via patent infringement proceedings.

On June 22, 2020, the Company filed a motion to dismiss Lenovo's Sherman Act claims with prejudice, and to dismiss Lenovo's breach of contract claim with leave to re-file as a counterclaim in the Company's legal proceeding against Lenovo in the Delaware District Court discussed above.

On March 24, 2021, the Delaware District Court ruled on the Company’s motion to dismiss. The Delaware District Court dismissed the Sherman Act Section 1 claim without prejudice, denied the motion to dismiss the Sherman Act Section 2 claim, and consolidated the Section 2 and breach of contract claims with Company’s Delaware patent proceeding discussed above. Accordingly, these claims have stayed pending all appeals in the UK proceedings.

China Proceedings

On April 10, 2020, Lenovo (Beijing) Ltd. and certain of its affiliates filed a complaint against the Company and certain of its subsidiaries in the Beijing Intellectual Property Court (the “Beijing IP Court”) seeking a determination of the FRAND royalty rates payable for the Company's Chinese 3G, 4G and 5G SEPs. On February 20, 2021, the Company filed an application challenging the jurisdiction of the Beijing IP Court to take up Lenovo’s complaint. On November 15, 2021, the Beijing IP Court denied the jurisdictional challenge, and the Company filed an appeal with the Supreme People’s Court of the People’s Republic of China (the “SPC”) on December 14, 2021. That appeal was denied by the SPC on September 5, 2022, and the case was sent back to the Beijing IP Court. On November 9, 2022, the Company filed a petition to stay the case. On June 12, 2023, the Beijing IP Court decided not to dismiss or stay the case at this time.

On November 26, 2021, the Company was informed that Lenovo had purportedly filed an additional complaint against the Company in the Wuhan Intermediate People’s Court (the “Wuhan Court”) seeking a determination of a global FRAND royalty rate for the period from 2024 to 2029 for the Company’s 3G, 4G, and 5G SEPs. On April 16, 2022, the Company filed an application challenging, among other things, process of service and the jurisdiction of the Wuhan Court. The application remains pending.

Germany Proceedings

On March 25, 2022, March 28, 2022, and April 6, 2022, the Company and certain of its subsidiaries filed patent infringement claims in the Munich and Mannheim Regional Courts against Lenovo and certain of its affiliates, alleging infringement of European Patent Nos. 2,449,782; 2,452,498; 3,624,447 and 3,267,684 relating to HEVC standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents. The Mannheim Regional Court held a hearing on April 21, 2023 regarding European Patent No. 3,267,684. The Mannheim Regional Court held a hearing regarding European Patent No. 3,624,447 on May 2, 2023. On May 17, 2023, based on the parties’ agreement, the court ordered a pause in the proceedings regarding European Patent No. 3,624,447. The Munich Regional Court has scheduled hearings regarding European Patent Nos. 2,449,782 and 2,452,498 for September 14, 2023 and June 20, 2024, respectively.

Oppo, OnePlus and realme

UK Proceedings

On December 20, 2021, the Company filed a patent infringement claim in the UK High Court against Guangdong Oppo Mobile Telecommunications Corp., Ltd. (“Oppo”) and certain of its affiliates, OnePlus Technology (Shenzhen) Co., Ltd. (“OnePlus”) and certain of its affiliates, and realme Mobile Telecommunications (Shenzhen) Co., Ltd. (“realme”) and certain of its affiliates, alleging infringement of European Patent (UK) Nos. 2,127,420; 2,421,318; 2,485,558; and 3,355,537 relating to cellular 3G, 4G/LTE or 5G standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents.

On January 19, 2022, Oppo filed a jurisdictional challenge with the UK High Court which the parties have agreed to adjourn pending the outcome of Oppo’s jurisdiction challenge before the UK Supreme Court in a case involving Nokia. On December 8, 2022, the Company received confirmation that Oppo had dropped its jurisdictional challenge with the UK High Court.

14

On March 24, 2023, the parties agreed to stay all technical trials on the basis that European Patent No. 2,485,558 is valid and essential based on the result of Technical Trial A in the Lenovo UK proceedings. The willingness trial is expected to commence on October 23, 2023. The rate determination trial is scheduled to commence on February 26, 2024.

India Proceedings

On December 20, 2021 and December 22, 2021, the Company and certain of its subsidiaries filed patent infringement claims in the Delhi High Court in New Delhi, India against Oppo and certain of its affiliates, OnePlus and certain of its affiliates, and realme Mobile Telecommunication (India) Private Limited, alleging infringement of Indian Patent Nos. 262910, 295912, 313036, 320182, 319673, 242248, 299448, and 308108 relating to cellular 3G, 4G/LTE, and/or 5G, and HEVC standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents.

Germany Proceedings

On December 20, 2021, a subsidiary of the Company filed three patent infringement claims, two in the Munich Regional Court and one in the Mannheim Regional Court, against Oppo and certain of its affiliates, OnePlus and certain of its affiliates, and realme and certain of its affiliates, alleging infringement of European Patent Nos. 2,485,558; 2,127,420; and 2,421,318 relating to cellular 3G, 4G/LTE and/or 5G standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents. The Munich Regional Court held a hearing on December 14, 2022 regarding European Patent No. 2,421,318, with a second hearing scheduled for October 18, 2023. The Munich Regional Court held a hearing on March 2, 2023 regarding European Patent No. 2,127,420, with a second hearing scheduled for September 15, 2023. The Munich Regional Court has also scheduled a hearing for September 19, 2023 on European Patent No. 2,485,558.

China Proceedings

On January 19, 2022, the Company was informed that Oppo had purportedly filed a complaint against the Company in the Guangzhou Intellectual Property Court (the “Guangzhou IP Court”) seeking a determination of a global FRAND royalty rate for the Company’s 3G, 4G, 5G, 802.11 and HEVC SEPs. On May 20, 2022, the Company filed an application challenging, among other things, process of service and the jurisdiction of the Guangzhou IP Court. On January 12, 2023, the Guangzhou IP Court denied the application. On February 28, 2023, the Company filed an appeal to the decision, which is still pending.

Spain Proceedings

On March 1, 2022, a subsidiary of the Company filed patent infringement claims in the Barcelona Commercial Courts against Oppo and certain of its affiliates, OnePlus and certain of its affiliates, and realme and certain of its affiliates. The Company filed its amended complaint on April 25, 2022, alleging infringement of European Patent Nos. 3,355,537; 2,485,558; 2,421,318; and 2,557,715 relating to cellular 3G, 4G/LTE and/or 5G standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents.

Samsung

The Company reached an agreement with Samsung Electronics Co. Ltd. (“Samsung”) to enter into binding arbitration to determine the final terms of a renewed patent license agreement to certain of the Company’s patents, which will be effective from January 1, 2023. The Company and Samsung have also agreed not to initiate certain claims against the other during the arbitration. On March 31, 2023, the Company filed a request for arbitration with the International Chamber of Commerce.

On July 21, 2023, the International Chamber of Commerce confirmed the full tribunal for the arbitration, and the first case management conference is scheduled for August 3, 2023.

OTHER

We are party to certain other disputes and legal actions in the ordinary course of business, including arbitrations and legal proceedings with licensees regarding the terms of their agreements and the negotiation thereof. We do not currently believe that these matters, even if adversely adjudicated or settled, would have a material adverse effect on our financial condition, results of operations or cash flows. None of the preceding matters have met the requirements for accrual or disclosure of a potential range as of June 30, 2023, except as noted above.

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6. CASH, CONCENTRATION OF CREDIT RISK AND FAIR VALUE OF FINANCIAL INSTRUMENTS

Cash, Cash Equivalents and Restricted Cash

Cash, cash equivalents and restricted cash currently consists of money market and demand accounts. The following table provides a reconciliation of total cash, cash equivalents and restricted cash as of June 30, 2023, December 31, 2022 and June 30, 2022 to the captions within the condensed consolidated balance sheets and condensed consolidated statements of cash flows (in thousands):

	June 30, 2023		December 31, 2022		June 30, 2022
Cash and cash equivalents	$	277,599	$	693,479	$	833,533
Restricted cash included within prepaid and other current assets	13,273		9,682		10,578
Restricted cash included within other non-current assets	—		—		1,081
Total cash, cash equivalents and restricted cash	$	290,872	$	703,161	$	845,192

Concentration of Credit Risk and Fair Value of Financial Instruments

Financial instruments that potentially subject us to concentration of credit risk consist primarily of cash equivalents, short-term investments, and accounts receivable. We place our cash equivalents and short-term investments only in highly rated financial instruments, such as United States government instruments.

Our accounts receivable and contract assets are derived principally from patent license and technology solutions agreements. Four licensees comprised 94% and 76% of our net accounts receivable balance as of June 30, 2023 and December 31, 2022, respectively. We perform ongoing credit evaluations of our licensees, who generally include large, multinational, wireless telecommunications equipment manufacturers. We believe that the book values of our financial instruments approximate their fair values.

Fair Value Measurements

We use various valuation techniques and assumptions when measuring the fair value of our assets and liabilities. We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. This guidance established a hierarchy that prioritizes fair value measurements based on the types of input used for the various valuation techniques (market approach, income approach and cost approach). The levels of the hierarchy are described below:

Level 1 Inputs — Level 1 includes financial instruments for which quoted market prices for identical instruments are available in active markets.

Level 2 Inputs — Level 2 includes financial instruments for which there are inputs other than quoted prices included within Level 1 that are observable for the instrument such as quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets with insufficient volume or infrequent transactions (less active markets) or model-driven valuations in which significant inputs are observable or can be derived principally from, or corroborated by, observable market data, including market interest rate curves, referenced credit spreads and pre-payment rates.

Level 3 Inputs — Level 3 includes financial instruments for which fair value is derived from valuation techniques including pricing models and discounted cash flow models in which one or more significant inputs are unobservable, including the Company’s own assumptions. The pricing models incorporate transaction details such as contractual terms, maturity and, in certain instances, timing and amount of future cash flows, as well as assumptions related to liquidity and credit valuation adjustments of marketplace participants.

Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of financial assets and financial liabilities and their placement within the fair value hierarchy. We use quoted market prices for similar assets to estimate the fair value of our Level 2 investments.

16

Recurring Fair Value Measurements

Our financial assets are generally included within short-term investments on our condensed consolidated balance sheets, unless otherwise indicated. Our financial assets and liabilities that are accounted for at fair value on a recurring basis are presented in the tables below as of June 30, 2023 and December 31, 2022 (in thousands):

	Fair Value as of June 30, 2023
	Level 1		Level 2		Level 3		Total
Assets:
Money market and demand accounts (a)	$	260,578	$	—	$	—	$	260,578
Commercial paper (b)	—		209,796		—		209,796
U.S. government securities(c)	—		233,435		—		233,435
Corporate bonds, asset backed and other securities (d)	—		148,189		—		148,189
Total	$	260,578	$	591,420	$	—	$	851,998

	Fair Value as of December 31, 2022
	Level 1		Level 2		Level 3		Total
Assets:
Money market and demand accounts (a)	$	643,825	$	—	$	—	$	643,825
Commercial paper (b)	—		209,956		—		209,956
U.S. government securities(c)	—		243,840		—		243,840
Corporate bonds, asset backed and other securities (d)	—		113,838		—		113,838
Total	$	643,825	$	567,634	$	—	$	1,211,459

______________________________

(a)Primarily included within cash and cash equivalents.

(b)As of June 30, 2023 and December 31, 2022, $1.6 million and $26.7 million of commercial paper was included within cash and cash equivalents, respectively.

(c)As of June 30, 2023 and December 31, 2022, $17.2 million and $15.7 million of U.S. government securities was included within cash and cash equivalents, respectively.

(d)As of June 30, 2023 and December 31, 2022, $9.5 million and $16.9 million of corporate bonds, asset backed and other securities was included within cash and cash equivalents, respectively.

Non-Recurring Fair Value Measurements

Patents

During first quarter 2023, we incurred a one-time impairment of $2.5 million on our patents held for sale. We determined the fair value based upon evaluation of market conditions.

During fourth quarter 2021, we renewed our multi-year, worldwide, non-exclusive patent license agreement with Sony Corporation of America ("Sony"). A portion of the consideration for the agreement was in the form of patents, which we received in March 2022. We have determined the fair value of the patents for determining the transaction price for revenue recognition purposes, which was estimated to be $30.1 million utilizing the income and market approaches. The value is amortized as a non-cash expense over the patents' estimated useful lives.

Investment in Other Entities

During second quarter 2023, we recognized a $3.1 million gain resulting from fair value changes of one of our long-term strategic investments, which was included within “Other income (expense), net” in the condensed consolidated statement of income.

During second quarter 2022, we recognized a $1.6 million gain resulting from observable price changes of our long-term strategic investments, which were included within “Other income (expense), net” in the condensed consolidated statement of income.

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Fair Value of Long-Term Debt

Convertible Notes

The principal amount, carrying value and related estimated fair value of the Company's Convertible Notes reported as of June 30, 2023 and December 31, 2022 was as follows (in thousands). The aggregate fair value of the principal amount of the Convertible Notes is a Level 2 fair value measurement.

	June 30, 2023						December 31, 2022
	Principal Amount		Carrying Value		Fair Value		Principal Amount		Carrying Value		Fair Value
2027 Senior Convertible Long-Term Debt	$	460,000	$	451,929	$	619,252	$	460,000	$	451,062	$	441,485
2024 Senior Convertible Long-Term Debt	$	126,174	$	125,628	$	154,096	$	126,174	$	125,342	$	119,941

Technicolor Patent Acquisition Long-term Debt

The carrying value and related estimated fair value of the Technicolor Patent Acquisition long-term debt reported as of June 30, 2023 and December 31, 2022 was as follows (in thousands). The aggregate fair value of the Technicolor Patent Acquisition long-term debt is a Level 3 fair value measurement.

	June 30, 2023				December 31, 2022
	Carrying Value		Fair Value		Carrying Value		Fair Value
Technicolor Patent Acquisition Long-Term Debt	$	31,988	$	29,291	$	30,662	$	28,048

7. OBLIGATIONS

2027 Notes, and Related Note Hedge and Warrant Transactions

On May 27, 2022, we issued $460.0 million in aggregate principal amount of 3.50% Senior Convertible Notes due 2027 (the "2027 Notes"). The net proceeds from the issuance of the 2027 Notes, after deducting the initial purchasers' transaction fees and offering expenses, were approximately $450.0 million. The 2027 Notes bear interest at a rate of 3.50% per year, payable in cash on June 1 and December 1 of each year, commencing on December 1, 2022, and mature on June 1, 2027, unless earlier redeemed, converted or repurchased.

The 2027 Notes will be convertible into cash up to the aggregate principal amount of the notes to be converted and in respect of the remainder, if any, of the Company’s obligation in excess of the aggregate principal amount of the notes being converted, pay or deliver, as the case may be, cash, shares of the Company’s common stock or a combination thereof, at the Company’s election, at an initial conversion rate of 12.9041 shares of Common Stock per $1,000 principal amount of Notes (which is equivalent to an initial conversion price of approximately $77.49 per share).

The 2027 Notes are the Company’s senior unsecured obligations and rank equally in right of payment with any of the Company’s current and any future senior unsecured indebtedness, including its 2.00% Senior Convertible Notes due 2024 (the “2024 Notes” and together with the 2027 Notes, the "Convertible Notes"). The 2027 Notes are effectively subordinated to all of the Company’s future secured indebtedness to the extent of the value of the related collateral, and the 2027 Notes are structurally subordinated to indebtedness and other liabilities, including trade payables, of the Company’s subsidiaries.

On May 24 and May 25, 2022, in connection with the offering of the 2027 Notes, we entered into convertible note hedge transactions that cover, subject to customary anti-dilution adjustments, approximately 5.9 million shares of common stock, in the aggregate, at a strike price that initially corresponds to the initial conversion price of the 2027 Notes, subject to adjustment, and are exercisable upon any conversion of the 2027 Notes. Also on May 24 and May 25, 2022, we entered into privately negotiated warrant transactions, whereby we sold warrants to acquire, subject to customary anti-dilution adjustments, approximately 5.9 million shares of common stock at an initial strike price of $106.37 per share, subject to adjustment.

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2024 Notes, and Related Note Hedge and Warrant Transactions

On June 3, 2019, we issued $400.0 million in aggregate principal amount of 2024 Notes. The net proceeds from the issuance of the 2024 Notes, after deducting the initial purchasers' transaction fees and offering expenses, were approximately $391.6 million. The 2024 Notes bear interest at a rate of 2.00% per year, payable in cash on June 1 and December 1 of each year, commencing on December 1, 2019, and mature on June 1, 2024, unless earlier redeemed, converted or repurchased.

The 2024 Notes are convertible into cash and shares of our common stock, with a specified dollar amount of $1,000 per $1,000 principal amount of 2024 Notes and any remaining amounts in shares of our common stock, at an initial conversion rate of 12.3018 shares of our common stock per $1,000 principal amount of 2024 Notes (which is equivalent to an initial conversion price of approximately $81.29 per share).

The 2024 Notes are senior unsecured obligations of the Company and rank equally in right of payment with any of our current and any future senior unsecured indebtedness. The 2024 Notes are effectively subordinated to all of our future secured indebtedness to the extent of the value of the related collateral, and the 2024 Notes are structurally subordinated to indebtedness and other liabilities, including trade payables, of our subsidiaries.

On May 29 and May 31, 2019, in connection with the offering of the 2024 Notes, we entered into convertible note hedge transactions (collectively, the "2024 Note Hedge Transactions") that cover, subject to customary anti-dilution adjustments, approximately 4.9 million shares of common stock, in the aggregate, at a strike price that initially corresponds to the initial conversion price of the 2024 Notes, subject to adjustment, and are exercisable upon any conversion of the 2024 Notes. On May 29 and May 31, 2019, we also entered into privately negotiated warrant transactions (collectively, the "2024 Warrant Transactions" and, together with the 2024 Note Hedge Transactions, the "2024 Call Spread Transactions"), whereby we sold warrants to acquire, subject to customary anti-dilution adjustments, approximately 4.9 million shares of common stock at an initial strike price of approximately $109.43 per share, subject to adjustment.

During second quarter 2022, the Company repurchased $273.8 million in aggregate principal amount of the 2024 Notes in privately negotiated transactions concurrently with the offering of the 2027 Notes. $126.2 million in aggregate principal amount of the 2024 Notes remained outstanding as of June 30, 2023. Additionally, in connection with the partial repurchase of the 2024 Notes, the Company entered into partial unwind agreements that amend the terms of the 2024 Note Hedge Transactions to reduce the number of options corresponding to the principal amount of the repurchased 2024 Notes. The unwind agreements also reduced the number of warrants exercisable under the 2024 Warrant Transactions. Approximately 1.6 million shares of common stock in the aggregate were covered under each of the 2024 Note Hedge Transactions and the 2024 Warrant Transactions as of June 30, 2023. As of June 30, 2023, the warrants under the 2024 Warrant Transactions had a strike price of approximately $109.43 per share, as adjusted.

The following table reflects the carrying value of our Convertible Notes long-term debt as of June 30, 2023 and December 31, 2022 (in thousands):

	June 30, 2023		December 31, 2022
3.50% Senior Convertible Notes due 2027	$	460,000	$	460,000
2.00% Senior Convertible Notes due 2024	126,174		126,174
Less: Deferred financing costs	(8,617)		(9,770)
Net carrying amount of the Convertible Notes	577,557		576,404
Less: Current portion of long-term debt	(125,628)		—
Long-term net carrying amount of the Convertible Notes	$	451,929	$	576,404

The following table presents the amount of interest cost recognized, which is included within "Interest expense" in our condensed consolidated statements of income, for the three and six months ended June 30, 2023 and 2022 relating to the contractual interest coupon and the amortization of deferred financing costs of the Convertible Notes (in thousands):

	Three months ended June 30,
	2023						2022
	2027 Notes		2024 Notes		Total		2027 Notes		2024 Notes		Total
Contractual coupon interest	$	4,025	$	631	$	4,656	$	1,476	$	1,498	$	2,974
Amortization of deferred financing costs	436		144		580		142		318		460
Total	$	4,461	$	775	$	5,236	$	1,618	$	1,816	$	3,434

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	Six months ended June 30,
	2023						2022
	2027 Notes		2024 Notes		Total		2027 Notes		2024 Notes		Total
Contractual coupon interest	$	8,050	$	1,262	$	9,312	$	1,476	$	3,498	$	4,974
Amortization of deferred financing costs	867		286		1,153		142		742		884
Total	$	8,917	$	1,548	$	10,465	$	1,618	$	4,240	$	5,858

Technicolor Patent Acquisition Long-Term Debt

On July 30, 2018, we completed our acquisition of the patent licensing business of Technicolor SA ("Technicolor"), a worldwide technology leader in the media and entertainment sector (the "Technicolor Patent Acquisition"). In conjunction with the Technicolor Patent Acquisition, we assumed Technicolor’s rights and obligations under a joint licensing program with Sony relating to digital televisions and standalone computer display monitors, which commenced in 2015 and is referred to as the "Madison Arrangement." An affiliate of CPPIB Credit Investments Inc. ("CPPIB Credit"), a wholly owned subsidiary of Canada Pension Plan Investment Board, is a third-party investor in the Madison Arrangement. CPPIB Credit has made certain payments to Technicolor and Sony and has agreed to contribute cash to fund certain capital reserve obligations under the arrangement in exchange for a percentage of future revenues, specifically through September 11, 2030 in regard to the Technicolor patents.

Upon our assumption of Technicolor’s rights and obligations under the Madison Arrangement, our relationship with CPPIB Credit meets the criteria in ASC 470-10-25 - Sales of Future Revenues or Various Other Measures of Income ("ASC 470"), which relates to cash received from an investor in exchange for a specified percentage or amount of revenue or other measure of income of a particular product line, business segment, trademark, patent, or contractual right for a defined period. Under this guidance, we recognized the fair value of our contingent obligation to CPPIB Credit, as of the acquisition date, as long-term debt in our condensed consolidated balance sheet. This initial fair value measurement was based on the perspective of a market participant and included significant unobservable inputs which are classified as Level 3 inputs within the fair value hierarchy. The fair value of the long-term debt as of June 30, 2023 and December 31, 2022 is disclosed within Note 6, "Cash, Concentration of Credit Risk and Fair Value of Financial Instruments." Our repayment obligations are contingent upon future royalty revenues generated from the Madison Arrangement and there are no minimum or maximum payments under the arrangement.

Under ASC 470, amounts recorded as debt are amortized under the interest method. At each reporting period, we will review the discounted expected future cash flows over the life of the obligation. The Company made an accounting policy election to utilize the catch-up method when there is a change in the estimated future cash flows, whereby we will adjust the carrying amount of the debt to the present value of the revised estimated future cash flows, discounted at the original effective interest rate, with a corresponding adjustment recognized as interest expense within “Interest Expense” in the condensed consolidated statements of income. The effective interest rate as of the acquisition date was approximately 14.5%. This rate represents the discount rate that equates the estimated future cash flows with the fair value of the debt as of the acquisition date and is used to compute the amount of interest to be recognized each period based on the estimated life of the future revenue streams. During the three and six months ended June 30, 2023, we recognized $1.0 million and $1.3 million, respectively, of interest expense related to this debt, compared to $1.0 million and $1.9 million during the three and six months ended June 30, 2022, respectively. This was included within “Interest Expense” in the condensed consolidated statements of income. Any future payments made to CPPIB Credit, or additional proceeds received from CPPIB Credit, will decrease or increase the long-term debt balance accordingly.

Technicolor Contingent Consideration

As part of the Technicolor Patent Acquisition, we entered into a revenue-sharing arrangement with Technicolor that created a contingent consideration liability. Under the revenue-sharing arrangement, Technicolor receives 42.5% of future cash receipts from new licensing efforts from the Madison Arrangement only, subject to certain conditions and hurdles. As of June 30, 2023, the contingent consideration liability from the revenue-sharing arrangement was deemed not probable and is therefore not reflected within the consolidated financial statements.

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8. VARIABLE INTEREST ENTITIES

As further discussed below, we are the primary beneficiary of one variable interest entity. As of June 30, 2023, the book value of the assets and liabilities associated with this variable interest entity included in our condensed consolidated balance sheet were $12.9 million and $0.6 million, respectively. Assets included $4.0 million of cash and cash equivalents, $0.1 million of prepaid and other current assets, and $8.8 million of patents, net. As of December 31, 2022, the book value of the assets and liabilities associated with this variable interest entity included in our condensed consolidated balance sheet were $17.5 million and $1.8 million, respectively. Assets included $4.4 million of cash and cash equivalents, $4.0 million of accounts receivable and prepaid and other current assets, and $9.1 million of patents, net.

Convida Wireless

Convida Wireless was launched in 2013 and most recently renewed in 2021 to combine Sony's consumer electronics expertise with our pioneering IoT expertise to drive IoT communications and connectivity. Based on the terms of the agreement, the parties will contribute funding and resources for additional research and platform development, which we will perform.

Convida Wireless is a variable interest entity. Based on our provision of research and platform development services to Convida Wireless, we have determined that we remain the primary beneficiary for accounting purposes and will continue to consolidate Convida Wireless. For the three and six months ended June 30, 2023, we allocated approximately $0.5 million and $2.2 million, respectively, of Convida Wireless's net loss to noncontrolling interests held by other parties and for the three and six months ended June 30, 2022, we allocated approximately $0.5 million and $0.8 million, respectively.

9. OTHER INCOME (EXPENSE), NET

The amounts included in "Other income (expense), net" in the condensed consolidated statements of income for the three and six months ended June 30, 2023 and 2022 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Interest and investment income	$	10,254	$	297	$	21,934	$	506
Loss on extinguishment of long-term debt	—		(11,190)		—		(11,190)
Other	4,133		(4,123)		5,644		(5,337)
Other income (expense), net	$	14,387	$	(15,016)	$	27,578	$	(16,021)

The changes in Other income (expense), net for the three and six months ended June 30, 2023 and 2022 were $29.4 million and $43.6 million, respectively. The changes between both the three and six months ended June 30, 2023 and 2022 were primarily due to the $11.2 million loss on extinguishment of the 2024 Notes in second quarter 2022, as described further in Note 7, "Obligations", and an increase in interest and investment income primarily due to increased short-term investments made by the Company and market conditions driving higher yields on our short-term investments.

The changes in Other was primarily due to foreign currency translation arising from euro translation of our foreign subsidiaries and fair value adjustments of our investments.

10.    OTHER ASSETS AND LIABILITIES

The amounts included in "Prepaid and other current assets" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Tax receivables	$	79,801	$	64,117
Restricted cash	13,273		9,682
Prepaid assets	10,386		9,044
Patents held for sale	—		4,000
Other current assets	11,170		2,873
Total Prepaid and other current assets	$	114,630	$	89,716

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The amounts included in "Other non-current assets, net" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Contract asset	$	39,147	$	2,544
Tax receivables	24,320		29,370
Goodwill	22,421		22,421
Long-term investments	19,579		19,593
Right-of-use assets	16,914		18,034
Other non-current assets	2,700		3,758
Total Other non-current assets, net	$	125,081	$	95,720

The amounts included in "Other accrued expenses" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Customer deposit	$	76,100	$	—
Accrued legal fees	22,248		12,230
Other accrued expenses	9,977		11,276
Total Other accrued expenses	$	108,325	$	23,506

The amounts included in "Other long-term liabilities" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Operating lease liabilities	$	18,792	$	19,923
Deferred compensation liabilities	17,352		14,078
Other long-term liabilities	20,676		19,599
Total Other long-term liabilities	$	56,820	$	53,600

11.    RESTRUCTURING ACTIVITIES

During second quarter 2021, the Company undertook certain actions in order to increase focus on core technologies and markets.

On June 10, 2021, the Company announced that, as a result of a strategic review of its research and innovation priorities, it commenced the process of a collective economic layoff in which it proposed a reduction in force of its research and innovation unit. All notices of termination have been issued to the impacted employees.

During 2021, Chordant ceased operations. The Company implemented a reduction in workforce action in second quarter 2021.

Additionally, in June 2021, a non-controlled subsidiary that we consolidate for financial statement purposes approved a plan to sell certain patents. The proceeds from the sale of these patents contributed to funding the non-controlled subsidiary's operations.

In October 2021, we expanded our restructuring efforts to include general and administrative functions largely centered in the U.S., which resulted in a further reduction in force as well as cuts to our non-labor expenses. These employees were provided notification of termination during fourth quarter 2021.

The Company does not anticipate further restructuring costs at this time, however these charges are estimated based on information available at the time such charges are recorded. Due to the inherent uncertainty involved in estimating restructuring expenses, actual amounts incurred for such activities may differ from amounts initially estimated.

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As of June 30, 2023 and December 31, 2022, the Company's restructuring liability was $1.2 million and $4.5 million, respectively, and is included in "Other accrued expenses" on our condensed consolidated balance sheet. The following table presents the change in our restructuring liability during the period (in thousands):

Balance as of December 31, 2022	$	4,495
Cash payments	(1,487)
Other	52
Balance as of March 31, 2023	3,060
Cash payments	(1,903)
Other	2
Balance as of June 30, 2023	$	1,159

The restructuring expenses included in "Restructuring activities" in the condensed consolidated statements of income for the three and six months ended June 30, 2023 and 2022 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Asset impairment	$	—	$	2,427	$	—	$	2,427
Severance and other benefits	—		(221)		—		305
Outside services and other associated costs	—		532		—		548
Total	$	—	$	2,738	$	—	$	3,280

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Item 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.

OVERVIEW

The following discussion should be read in conjunction with the unaudited, condensed consolidated financial statements and notes thereto contained in Part I, Item 1 of this Quarterly Report on Form 10-Q, in addition to our 2022 Form 10-K, other reports filed with the SEC and the Statement Pursuant to the Private Securities Litigation Reform Act of 1995 — Forward-Looking Statements below.

Throughout the following discussion and elsewhere in this Form 10-Q, we refer to “catch-up revenues.” Catch-up revenues are comprised of past patent royalties and revenues from static agreements. Previously we referred to catch-up revenues as non-recurring revenues.

Lenovo Proceedings

On June 27, 2023, we were awarded an additional $46.2 million by the UK High Court in our case against Lenovo, increasing the total Lenovo must pay for a patent license through 2023 to $184.9 million. We received the cash payment for the full $184.9 million on July 11, 2023. The Company will defer recognizing any additional catch-up revenue until the appeal process progresses. See Note 5, “Litigation and Legal Proceedings,” to the Notes to Condensed Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for further information regarding the Lenovo proceedings.

Share Repurchases

During second quarter 2023, we repurchased 0.5 million shares for $42.5 million under our share repurchase program and an additional 0.2 million shares for $15.4 million during the period July 1, 2023 to July 31, 2023.

As of July 31, 2023, there was $142.8 million remaining under the share repurchase authorization, which we plan to utilize to periodically repurchase additional common shares.

Cash & Short-term Investments

As of June 30, 2023, we had $854.0 million of cash, restricted cash and short-term investments and an additional $1.5 billion of cash payments due under contracted fixed price agreements, which includes our conservative estimates of the minimum cash receipts that we expect to receive under patent license agreement with Samsung, $184.9 million due from Lenovo which was collected early in third quarter 2023, and $29.5 million of accounts receivable due under fixed-fee contracts from other customers.

89% of our recurring revenue comes from fixed-fee royalties. Such agreements often have prescribed payment schedules that are uneven and sometimes front-loaded, resulting in timing differences between when we collect the cash payments and recognize the related revenue.

The following table reconciles the timing differences between cash receipts and recognized revenue during the three and six months ended June 30, 2023 and 2022, including the resulting operating cash flow (in thousands):

	Three months ended June 30,				Six months ended June 30,
Cash vs. Non-cash revenue:	2023		2022		2023		2022
Fixed fee cash receipts (a)	$	9,406	$	3,339	$	34,075	$	47,142
Other cash receipts (b)	11,160		16,620		31,132		25,212
Change in deferred revenue	38,641		76,959		81,407		127,700
Change in receivables	92,756		25,163		183,612		17,688
Other (c)	(50,372)		2,576		(26,262)		8,233
Total Revenue	$	101,591	$	124,657	$	303,964	$	225,975
Net cash used in operating activities	$	(45,440)	$	(33,768)	$	(73,292)	$	(51,740)

(a) Fixed fee cash receipts are comprised of cash receipts from Dynamic Fixed-Fee Agreement royalties, including the associated catch-up patent royalties.

(b) Other cash receipts are primarily comprised of cash receipts related to our variable patent royalty revenue and catch-up revenues.

(c) The changes in other are primarily driven by customer deposits partially offset by long-term contract assets associated with revenue estimates.

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When we collect payments on a front-loaded basis, we recognize a deferred revenue liability equal to the cash received and accounts receivable recorded that relate to revenue expected to be recognized in future periods. That liability is then reduced as we recognize revenue over the balance of the agreement. The following table shows the projected amortization of our current and long-term deferred revenue as of June 30, 2023 (in thousands):

	Deferred Revenue (a)
Remainder of 2023	$	107,837
2024	125,467
2025	106,224
2026	1,011
2027	1,076
2028 and Thereafter	3,617
Total Revenue	$	345,232

(a)    This table includes our estimated amortization of deferred revenue related to Lenovo.  In accordance with ASC 606, these estimates are limited to the amount of revenue we expect to recognize only to the extent it is probable that a subsequent change in the estimate would not result in a significant revenue reversal.

Revenue

Second quarter 2023 total revenues of $101.6 million, which includes both recurring and catch-up revenues, decreased 19% from second quarter 2022 primarily due to catch-up revenues recognized from two new agreements and connected automobile license agreements signed during second quarter 2022. Second quarter 2023 recurring revenues were $99.1 million, compared to recurring revenues of $100.1 million in second quarter 2022, a 1% year-over-year decrease. In second quarter 2023, revenues (in descending order) from Apple, Samsung, Xiaomi, and Huawei each comprised 10% or more of our consolidated revenues. Refer to "Results of Operations --Second Quarter 2023 Compared to Second Quarter 2022" for further discussion of our 2023 revenue.

Impact of Inflation and Other Macroeconomic Factors

We have been actively monitoring the impact of the current macroeconomic environment in the U.S. and globally characterized by inflation, supply chain issues, rising interest rates, labor shortages, and the potential for a recession. These market factors, as well as the impacts of the Russia and Ukraine conflict, have not had a material impact on our business to date. However, if these conditions continue or worsen, they could have an adverse effect on our operating results and our financial condition. See the section titled “Risk Factors” in the 2022 Form 10-K.

Comparability of Financial Results

When comparing second quarter 2023 financial results against other periods, the following items should be taken into consideration:

•Our second quarter 2023 revenues include $2.5 million of catch-up revenues primarily related to two new patent license agreements signed in second quarter 2023.

•In second quarter 2023, we accrued a $1.8 million one-time charge for a net litigation fee reimbursement associated with the Lenovo proceedings. See Note 5, “Litigation and Legal Proceedings,” to the Notes to Condensed Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for further information regarding the Lenovo proceedings.

•During second quarter 2023, we recognized a $3.1 million gain resulting from fair value changes of one of our long-term strategic investments, which was included within “Other income (expense), net” in the condensed consolidated statement of income.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Our significant accounting policies are described in Note 2, "Summary of Significant Accounting Policies and New Accounting Guidance", in the notes to consolidated financial statements included in our 2022 Form 10-K. A discussion of our critical accounting policies, and the estimates related to them, are included in Management’s Discussion and Analysis of Financial Condition and Results of Operations in our 2022 Form 10-K. There have been no material changes to our existing critical accounting policies from the disclosures included in our 2022 Form 10-K. Refer to Note 1, “Basis of Presentation,” in the notes to condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for updates related to new accounting pronouncements and changes in accounting policies.

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FINANCIAL POSITION, LIQUIDITY AND CAPITAL RESOURCES

Our primary sources of liquidity are cash, cash equivalents and short-term investments, as well as cash generated from operations. We believe we have the ability to obtain additional liquidity through debt and equity financings. From time to time, we may engage in a variety of transactions to augment our liquidity position as our business dictates and to take advantage of favorable interest rate environments or other market conditions, including the incurrence or issuance of debt and the refinancing or restructuring of existing debt. Based on our past performance and current expectations, we believe our available sources of funds, including cash, cash equivalents and short-term investments and cash generated from our operations, will be sufficient to finance our operations, capital requirements, debt obligations, existing stock repurchase program, dividend program, and other contractual obligations discussed below in both the short-term over the next twelve months, and the long-term beyond twelve months.

Cash, cash equivalents, restricted cash and short-term investments

As of June 30, 2023 and December 31, 2022, we had the following amounts of cash and cash equivalents, restricted cash and short-term investments (in thousands):

	June 30, 2023		December 31, 2022		Increase /(Decrease)
Cash and cash equivalents	$	277,599	$	693,479	$	(415,880)
Restricted cash included within prepaid and other current assets	13,273		9,682		3,591
Short-term investments	563,124		508,298		54,826
Total cash, cash equivalents, restricted cash and short-term investments	$	853,996	$	1,211,459	$	(357,463)

The net decrease in cash, cash equivalents, restricted cash and short-term investments was attributable to cash used in financing activities of $271.5 million, cash used in operating activities of $73.3 million, and cash used in investing activities of $21.5 million, excluding sales and purchases of short-term investments. Refer to the sections below for further discussion of these items.

Cash flows from operating activities

Cash flows used in operating activities in the first half 2023 and 2022 (in thousands) were as follows:

	Six months ended June 30,
	2023		2022		Change
Net cash used in operating activities	$	(73,292)	$	(51,740)	$	(21,552)

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Our cash flows used in operating activities are principally driven by cash operating expenses and income tax payments, offset by cash receipts from patent license agreements. The $21.6 million change in net cash used in operating activities was primarily driven by a federal tax payment paid in first half 2023, an increase in cash operating expenses and lower cash receipts due to the timing of cash receipts related to existing patent license agreements. For more information on the change in operating expenses refer to "Results of Operations --Second Quarter 2023 Compared to Second Quarter 2022" below. The table below sets forth the significant items comprising our cash flows used in operating activities during the six months ended June 30, 2023 and 2022 (in thousands):

	Six months ended June 30,
	2023		2022		Change
Total Cash Receipts	$	65,207	$	72,354	$	(7,147)
Cash Outflows:
Cash operating expenses a	103,045		93,664		9,381
Income taxes paid b	21,132		4,363		16,769
Total cash outflows	124,177		98,027		26,150
Other working capital adjustments	(14,322)		(26,067)		11,745
Cash flows used in operating activities	$	(73,292)	$	(51,740)	$	(21,552)

______________________________

(a) Cash operating expenses include operating expenses less depreciation and disposals of fixed assets, amortization of patents, non-cash compensation and non-cash impairment charges.

(b) Income taxes paid include foreign withholding taxes.

Cash flows from investing and financing activities

Net cash used in investing activities for first half 2023 was $67.5 million, a $210.3 million change from $142.7 million of net cash provided by investing activities in first half 2022. During first half 2023, we purchased $46.0 million of short-term marketable securities, net of sales, and capitalized $21.5 million of patent costs and property and equipment purchases. During first half 2022, we sold $164.8 million of short-term marketable securities, net of purchases, and capitalized $22.1 million of patent costs and property and equipment purchases.

Net cash used in financing activities for first half 2023 was $271.5 million, a change of $312.4 million from net cash provided by financing activities of $41.0 million the first half 2022. This change was primarily attributable to a $171.4 million increase in share repurchases in first half 2023 compared to first half 2022, of which $203.4 million was related to the Company's modified "Dutch auction" tender offer in first quarter 2023. The change was also due to net proceeds of $140.0 million from the debt refinancing during first half 2022.

Other

Our combined short-term and long-term deferred revenue balance as of June 30, 2023 was approximately $345.2 million, a net decrease of $81.4 million from December 31, 2022. This decrease in deferred revenue was primarily due to amortization of deferred revenue recognized in the period, partially offset by cash receipts on existing patent license agreements.

Based on current license agreements, we expect the amortization of dynamic fixed-fee royalty payments to reduce the June 30, 2023 deferred revenue balance of $345.2 million by $172.7 million over the next twelve months.

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Convertible Notes

See Note 7, “Obligations” to the notes to condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for definitions of capitalized terms below.

Our 2027 and 2024 Notes, which for purposes of this discussion are also referred to as the "Convertible Notes", are included in the dilutive earnings per share calculation using the if-converted method. Under the if-converted method, we must assume that conversion of convertible securities occurs at the beginning of the reporting period. The Convertible Notes are convertible into cash up to the aggregate principal amount of the Convertible Notes to be converted. Any remaining obligation of the 2027 Notes may be settled in cash, shares of the Company’s common stock or a combination thereof and any remaining obligation of the 2024 Notes is settled in shares of our common stock. As the principal amount must be paid in cash and only the conversion spread is settled in shares, we only include the net number of incremental shares that would be issued upon conversion. We must calculate the number of shares of our common stock issuable under the terms of the Convertible Notes based on the average market price of our common stock during the applicable reporting period and include that number in the total diluted shares figure for the period.

At the time we issued the Convertible Notes, we entered into the 2027 Call Spread Transactions and 2024 Call Spread Transactions that together were designed to have the economic effect of reducing the net number of shares that will be issued in the event of conversion of the Convertible Notes by, in effect, increasing the conversion price of the Convertible Notes from our economic standpoint. However, under GAAP, since the impact of the 2027 Note Hedge Transactions and 2024 Note Hedge Transactions (together, the "Note Hedge Transactions") is anti-dilutive, we exclude from the calculation of fully diluted shares the number of shares of our common stock that we would receive from the counterparties to these agreements upon settlement.

During periods in which the average market price of our common stock is above the applicable conversion price of the Convertible Notes ($77.49 per share for the 2027 Notes and $81.29 per share for the 2024 Notes as of June 30, 2023) or above the strike price of the warrants ($106.37 per share for the 2027 Warrant Transactions and $109.43 per share for the 2024 Warrant Transactions as of June 30, 2023), the impact of conversion or exercise, as applicable, would be dilutive and such dilutive effect is reflected in diluted earnings per share. As a result, in periods where the average market price of our common stock is above the conversion price or strike price, as applicable, under the if-converted method, we calculate the number of shares issuable under the terms of the Convertible Notes and the warrants based on the average market price of the stock during the period, and include that number in the total diluted shares outstanding for the period.

Under the if-converted method, changes in the price per share of our common stock can have a significant impact on the number of shares that we must include in the fully diluted earnings per share calculation. As described in Note 7, "Obligations," the Convertible Notes are convertible into cash up to the aggregate principal amount of the Convertible Notes to be converted and any remaining obligation may be in cash, shares of the Company’s common stock or a combination thereof ("net share settlement"). Assuming net share settlement upon conversion, the following tables illustrate how, based on the $460.0 million aggregate principal amount of the 2027 Notes and the $126.2 million aggregate principal amount of the 2024 Notes outstanding as of June 30, 2023, and the approximately 5.9 million warrants related to the 2027 Notes and the 1.6 million warrants remaining related to the 2024 Notes, outstanding as of the same date, changes in our stock price would affect (i) the number of shares issuable upon conversion of the Convertible Notes, (ii) the number of shares issuable upon exercise of the warrants subject to the 2027 Warrant Transactions and 2024 Warrant Transactions (together, the "Warrant Transactions"), (iii) the number of additional shares deemed outstanding with respect to the Convertible Notes, after applying the if-converted method, for purposes of calculating diluted earnings per share ("Total If-Converted Method Incremental Shares"), (iv) the number of shares of our common stock deliverable to us upon settlement of the Note Hedge Transactions and (v) the number of shares issuable upon concurrent conversion of the Convertible Notes, exercise of the warrants subject to the Warrant Transactions, and settlement of the Note Hedge Transactions:

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2027 Notes
Market Price Per Share	Shares Issuable Upon Conversion of the 2027 Notes	Shares Issuable Upon Exercise of the 2027 Warrant Transactions	Total If-Converted Method Incremental Shares	Shares Deliverable to InterDigital upon Settlement of the 2027 Note Hedge Transactions	Incremental Shares Issuable (a)
	(Shares in thousands)
$80	186	—	186	(186)	—
$85	524	—	524	(524)	—
$90	825	—	825	(825)	—
$95	1,094	—	1,094	(1,094)	—
$100	1,336	—	1,336	(1,336)	—
$105	1,555	—	1,555	(1,555)	—
$110	1,754	196	1,950	(1,754)	196
$115	1,936	445	2,381	(1,936)	445
$120	2,103	674	2,777	(2,103)	674
$125	2,256	885	3,141	(2,256)	885

2024 Notes
Market Price Per Share	Shares Issuable Upon Conversion of the 2024 Notes	Shares Issuable Upon Exercise of the 2024 Warrant Transactions	Total If-Converted Method Incremental Shares	Shares Deliverable to InterDigital upon Settlement of the 2024 Note Hedge Transactions	Incremental Shares Issuable (a)
	(Shares in thousands)
$85	68	—	68	(68)	—
$90	150	—	150	(150)	—
$95	224	—	224	(224)	—
$100	290	—	290	(290)	—
$105	351	—	351	(351)	—
$110	405	8	413	(405)	8
$115	455	75	530	(455)	75
$120	501	137	638	(501)	137
$125	543	193	736	(543)	193
$130	582	246	828	(582)	246

______________________________

(a) Represents incremental shares issuable upon concurrent conversion of convertible notes, exercise of warrants and settlement of the hedge agreements.

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RESULTS OF OPERATIONS

Second Quarter 2023 Compared to Second Quarter 2022

Revenues

The following table compares second quarter 2023 revenues to second quarter 2022 revenues (in thousands):

	Three months ended June 30,
	2023		2022		Increase/(Decrease)
Recurring revenues:
Smartphone	$	85,075	$	87,484	$	(2,409)	(3)	%
CE, IoT/Auto	13,432		11,945		1,487		12	%
Other	566		672		(106)		(16)	%
Total recurring revenues	99,073		100,101		(1,028)		(1)	%
Catch-up revenues a	2,518		24,556		(22,038)		(90)	%
Total revenues	$	101,591	$	124,657	$	(23,066)	(19)	%

(a)    Catch-up revenues are comprised of past patent royalties and revenues from static agreements.

Total revenues of $101.6 million, which includes both recurring and catch-up revenues, decreased $23.1 million primarily due to catch-up revenues related to two previously-announced patent license agreements and connected automobile license agreements recognized in second quarter 2022, compared to catch-up revenues recognized on two patent license agreements signed in second quarter 2023. Recurring revenues were flat compared to second quarter 2022.

In second quarter 2023 and 2022, 78% and 70%, respectively, of our total revenue was attributable to licensees that individually accounted for 10% or more of our total revenue. In second quarter 2023 and 2022, the following licensees accounted for 10% or more of our total revenue:

	Three months ended June 30,
	2023	2022
Customer A	33%	28%
Customer B	19%	16%
Customer C	15%	12%
Customer D	11%	<10%
Customer E	<10%	14%

Operating Expenses

The following table summarizes the changes in operating expenses between second quarter 2023 and second quarter 2022 by category (in thousands):

	Three months ended June 30,
	2023		2022		Increase/(Decrease)
Research and portfolio development	$	49,878	$	45,177	$	4,701	10	%
Licensing	16,644		17,326		(682)		(4)	%
General and administrative	11,693		9,516		2,177		23	%
Restructuring activities	—		2,738		(2,738)		(100)	%
Total Operating expenses	$	78,215	$	74,757	$	3,458	5	%

30

Operating expenses increased to $78.2 million in second quarter 2023 from $74.8 million in second quarter 2022. The $3.5 million increase in total operating expenses was primarily due to changes in the following items (in thousands):

	Increase/(Decrease)
Share-based compensation	$	4,756
Fair value changes of deferred compensation liability	2,676
One-time net litigation fee reimbursement	1,800
Intellectual property enforcement and non-patent litigation	(3,778)
Restructuring activities	(2,738)
Other	742
Total increase in operating expenses	$	3,458

The $3.5 million increase in operating expenses was primarily due to a $4.8 million increase in share-based compensation costs driven by both higher accrual rates and higher award levels to non-executive employees and a $2.7 million increase from fair value changes of our deferred compensation liability, which was offset by a related gain recorded within "Other income (expense), net" on the investments that we hold under this plan. Additionally, second quarter 2023 included a one-time $1.8 million net litigation fee reimbursement related to the Lenovo proceedings.

These increases were partially offset by a $3.8 million decrease in intellectual property enforcement costs driven by decreased costs from the Lenovo proceedings and a $2.7 million decrease in non-recurring restructuring activities recognized in second quarter 2022.

Research and portfolio development expense: The $4.7 million increase in research and portfolio development expense was primarily driven by the above-noted increases in share-based compensation and fair value changes of our deferred compensation liability.

Licensing expense: Licensing expense was relatively flat as compared to second quarter 2022. The decrease in intellectual property enforcement costs was offset primarily by the above-noted increases in share-based compensation and fair value changes of our deferred compensation liability.

General and administrative expense: General and administrative expense increased $2.2 million, primarily driven by the above-noted increases in share-based compensation and fair value changes of our deferred compensation liability.

Restructuring activities: Restructuring expenses associated with our overall restructuring plan decreased due to the plan being substantially complete in 2022.

Non-Operating Income (Expense), net

The following table compares second quarter 2023 non-operating income (expense), net to second quarter 2022 non-operating income (expense), net (in thousands):

	Three months ended June 30,
	2023		2022		Increase/(Decrease)
Interest expense	$	(12,141)	$	(6,272)	$	(5,869)	(94)	%
Interest and investment income	10,254		297		9,957		3,353	%
Loss on extinguishment of long-term debt	—		(11,190)		11,190		(100)	%
Other	4,133		(4,123)		8,256		(200)	%
Total non-operating income (expense), net	$	2,246	$	(21,288)	$	23,534	111	%

Interest expense increased primarily due to significant financing expense resulting from a previously announced patent license agreement and additional interest on the 2027 Notes issued during second quarter 2022. Also in second quarter 2022, there was a $11.2 million loss on extinguishment of the 2024 Notes, as described further Note 7, "Obligations" within the notes to condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

The $10.0 million increase in interest and investment income was primarily due to increased short-term investments made by the Company and market conditions driving higher yields the short-term investments. The change in Other was primarily due to fair value adjustments of our investments resulting in a $3.9 million net gain in 2023, compared to a $0.3 million net loss in 2022 and due to a foreign currency translation net gain arising from euro translation of our foreign subsidiaries of $0.4 million in second quarter 2023, compared to a $3.6 million net loss in second quarter 2022.

31

Income taxes

In second quarter 2023 and 2022, based on the statutory federal tax rate net of discrete federal and state taxes, we had an effective tax rate of 16.9% and 28.1%, respectively. The change in effective tax rate is due to an increase in the amount of Foreign Derived Intangible Income deduction benefit available to the Company due to an increase in taxable income for the timing difference between the recognition of book and tax revenue. The effective tax rate in both periods was impacted by losses in certain jurisdictions where the Company presently has recorded a valuation allowance against the related tax benefit, as well as by the foreign-derived intangible income deduction and non-deductible compensation. Excluding this valuation allowance, our second quarter 2023 and 2022 effective tax rate would have been 9.6% and 24.9%, respectively.

32

First Half 2023 Compared to First Half 2022

Revenues

The following table compares first half 2023 revenues to first half 2022 revenues (in thousands):

	Six months ended June 30,
	2023		2022		Total Increase/(Decrease)
Recurring revenues:
Smartphone	$	172,506	$	175,182	$	(2,676)	(2)	%
CE, IoT/Auto	27,518		23,135		4,383		19	%
Other	622		911		(289)		(32)	%
Total recurring revenues	200,646		199,228		1,418		1	%
Catch-up revenues a	103,318		26,747		76,571		286	%
Total revenues	$	303,964	$	225,975	$	77,989	35	%

(a)    Catch-up revenues are comprised of past patent royalties and revenues from static agreements.

Total revenues of $304.0 million, which includes both recurring and catch-up revenues, increased 35% from $226.0 million in the first six months of 2022 primarily due to catch-up revenues from the Lenovo proceedings recognized in first quarter 2023. Recurring revenues were flat compared to first half 2022.

In first half 2023 and first half 2022, 69% and 71% of our total revenue, respectively, was attributable to companies that individually accounted for 10% or more of our total revenue. In first half 2023 and first half 2022, the following companies accounted for 10% or more of our total revenue:

	Six months ended June 30,
	2023	2022
Customer A	22%	31%
Customer B	13%	17%
Customer C	<10%	13%
Customer D	<10%	10%
Customer F	34%	—%

Operating Expenses

The following table summarizes the changes in operating expenses between first half 2023 and first half 2022 by category (in thousands):

	Six months ended June 30,
	2023		2022		Increase/(Decrease)
Research and portfolio development	$	99,307	$	89,354	$	9,953	11	%
Licensing	38,012		32,856		5,156		16	%
General and administrative	24,008		20,400		3,608		18	%
Restructuring activities	—		3,280		(3,280)		(100)	%
Total Operating expenses	$	161,327	$	145,890	$	15,437	11	%

33

Operating expenses increased 11% to $161.3 million in first half 2023 from $145.9 million in first half 2022. The $15.4 million increase in total operating expenses was primarily due to changes in the following items (in thousands):

	Increase/(Decrease)
One-time net litigation fee reimbursement	$	7,537
Share-based compensation	7,152
Fair value changes of deferred compensation liability	4,238
Patent impairment	2,500
Intellectual property enforcement and non-patent litigation	(6,247)
Restructuring activities	(3,279)
Other	3,536
Total increase in operating expenses	$	15,437

The $15.4 million increase in operating expenses was primarily due to a $7.2 million increase in share-based compensation costs driven by both higher accrual rates and higher award levels to non-executive employees and a $4.2 million increase from fair value changes of our deferred compensation liability, which was offset by a related gain recorded within "Other income (expense), net" on the investments that we hold under the plan. Additionally, first half 2023 included one-time items, including a $7.5 million net litigation fee reimbursement related to the Lenovo proceedings and a $2.5 million patent impairment on our patents held for sale.

These increases were partially offset by a $6.2 million decrease in intellectual property enforcement costs driven by decreased costs from the Lenovo proceedings and a $3.3 million decrease in non-recurring restructuring activities recognized in first half 2022.

Research and portfolio development expense: The $10.0 million increase in research and portfolio development expense primarily resulted from the above-noted increases in share-based compensation, fair value changes of our deferred compensation liability, and patent impairment.

Licensing expense: Licensing expense increased by $5.2 million primarily resulting from the above-noted one-time litigation fee reimbursement and increases in share-based compensation, partially offset by the decrease in intellectual property enforcement costs.

General and administrative expense: The $3.6 million increase in general and administrative expense was primarily driven by the above-noted increases in share-based compensation and fair value changes of our deferred compensation liability.

Restructuring activities: Restructuring expenses associated with our overall restructuring plan decreased due to the plan being substantially complete in 2022.

Non-Operating Income (Expense), net

The following table compares first half 2023 non-operating income (expense), net to first half 2022 non-operating income (expense), net:

	Six months ended June 30,
	2023		2022		Increase/(Decrease)
Interest expense	$	(24,228)	$	(11,787)	$	(12,441)	(106)	%
Interest and investment income	21,934		506		21,428		4,235	%
Loss on extinguishment of long-term debt	—		(11,190)		11,190		(100)	%
Other	5,644		(5,337)		10,981		206	%
Total non-operating income (expense), net	$	3,350	$	(27,808)	$	31,158	112	%

Interest expense increased primarily due to significant financing expense resulting from a previously announced patent license agreement and additional interest on the 2027 Notes issued during second quarter 2022. Also in second quarter 2022, there was a $11.2 million loss on extinguishment of the 2024 Notes, as described further Note 7, "Obligations" within the notes to condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

34

The $21.4 million increase in interest and investment income was primarily due to increased short-term investments made by the Company and market conditions driving higher yields the short-term investments. The change in Other was primarily due to fair value adjustments of our investments resulting in a $4.9 million net gain in first half 2023, compared to a $1.1 million net loss in first half 2022 and due to a foreign currency translation net gain arising from euro translation of our foreign subsidiaries of $1.5 million in first half 2023, compared to a $4.0 million net loss in first half 2022.

Income taxes

In first half 2023 and 2022, we had an effective tax rate of 14.5% and 26.8%, respectively. The change in effective tax rate is due to an increase in the amount of Foreign Derived Intangible Income deduction benefit available to the Company due to higher taxable income inclusive of timing difference between the recognition of book and tax revenue. Additionally, the effective tax rate in both periods was impacted by losses in certain jurisdictions where the Company presently has recorded a valuation allowance against the related tax benefit, as well as by the foreign-derived intangible income deduction and non-deductible compensation. Excluding this valuation allowance, our six months ended June 30, 2023 and 2022 effective tax rate would have been 13.0% and 23.2%, respectively. In the six months ended June 30, 2023 we recorded a net discrete tax benefit of $1.2 million primarily related to share-based compensation. The prior period included a net discrete tax expense of $2.3 million related to the extinguishment of long-term debt recognized during second quarter of 2022.

35

STATEMENT PURSUANT TO THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995 — FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements include certain information in regarding our current beliefs, plans and expectations, including, without limitation, the matters set forth below. Words such as "believe," “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “forecast,” "goal," "could," "would," "should," "if," "may," "might," "future," "target," "trend," "seek to," "will continue," "predict," "likely," "in the event," and variations of any such words or similar expressions contained herein are intended to identify such forward-looking statements. Forward-looking statements are made on the basis of management’s current views and assumptions and are not guarantees of future performance. Although the forward-looking statements in this Form 10-Q reflect the good faith judgment of our management, such statements can only be based on facts and factors currently known by us. Consequently, forward-looking statements concerning our business, results of operations and financial condition are inherently subject to risks and uncertainties. These risks and uncertainties include, but are not limited to, the risks and uncertainties described in Part I, Item 1A of our 2022 Form 10-K and the risks and uncertainties set forth below:

•unanticipated delays, difficulties or accelerations in the execution of patent license agreements;

•our ability to leverage our strategic relationships and secure new patent license agreements on acceptable terms;

•our ability to enter into sales and/or licensing partnering arrangements for certain of our patent assets;

•our ability to enter into partnerships with leading inventors and research organizations and identify and acquire technology and patent portfolios that align with our roadmap;

•our ability to commercialize our technologies and enter into customer agreements;

•the failure of the markets for our current or new technologies to materialize to the extent or at the rate that we expect;

•unexpected delays or difficulties related to the development of our technologies;

•changes in our interpretations of, and assumptions and calculations with respect to the impact on us of, the 2017 Tax Cuts and Jobs Act, as well as further guidance that may be issued regarding such act;

•risks related to the potential impact of new accounting standards on our financial position, results of operations or cash flows;

•failure to accurately forecast the impact of our restructuring activities on our financial statements and our business;

•the resolution of current legal proceedings, including any awards or judgments relating to such proceedings, additional or related legal proceedings, including appeals, changes in the schedules or costs associated with such proceedings or adverse rulings;

•the timing and impact of potential administrative and legislative matters;

•changes or inaccuracies in market projections;

•our ability to obtain liquidity through debt and equity financings;

•the potential effects that macroeconomic uncertainty could have on our financial position, results of operations and cash flows

•changes in our business strategy;

•changes or inaccuracies in our expectations with respect to royalty payments by our customers; and

•risks related to our assumptions and application of relevant accounting standards, including with respect to revenue recognition.

You should carefully consider these factors before making any investment decision with respect to our common stock. These factors, individually or in the aggregate, may cause our actual results to differ materially from our expected and historical results. You should understand that it is not possible to predict or identify all such factors. In addition, you should not place undue reliance on the forward-looking statements contained herein, which are made only as of the date of this Form 10-Q. We undertake no obligation to revise or update publicly any forward-looking statement for any reason, except as otherwise required by law.

36

Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

There have been no material changes in quantitative and qualitative market risk from the disclosures included in our 2022 Form 10-K.

Item 4. CONTROLS AND PROCEDURES.

The Company’s principal executive officer and principal financial officer, with the assistance of other members of management, have evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended) as of the end of the period covered by this report. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer have concluded that our disclosure controls and procedures were effective to ensure that the information required to be disclosed by us in the reports that we file or submit under the Securities Exchange Act of 1934, as amended, is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms and to ensure that the information required to be disclosed by us in the reports that we file or submit under the Securities Exchange Act of 1934, as amended, is accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure. There were no changes in our internal control over financial reporting that occurred during the quarter ended June 30, 2023, that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

37

PART II — OTHER INFORMATION

Item 1. LEGAL PROCEEDINGS.

See Note 5, “Litigation and Legal Proceedings,” to the Notes to Condensed Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for a description of legal proceedings, which is incorporated herein by reference.

Item 1A. RISK FACTORS.

Reference is made to Part I, Item 1A, “Risk Factors” included in our 2022 Form 10-K for information concerning risk factors, which should be read in conjunction with the factors set forth in the Statement Pursuant to the Private Securities Litigation Reform Act of 1995 -- Forward-Looking Statements in Part I, Item 2 of this Quarterly Report on Form 10-Q. Except as set forth below, there have been no material changes with respect to the risk factors disclosed in our 2022 Form 10-K. You should carefully consider such factors, which could materially affect our business, financial condition or future results. The risks described in this Quarterly Report on Form 10-Q and in the 2022 Form 10-K are not the only risks facing our company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially and adversely affect our business, financial condition and/or operating results.

We face risks from doing business and maintaining offices in international markets.

A significant portion of our licensees, potential licensees and customers are international, and our licensees, potential licensees and customers sell their products to markets throughout the world. In addition, in recent years, we have expanded, and we may continue to expand, our international operations, opening offices in China, France, Belgium and Finland. Accordingly, we are subject to the risks and uncertainties of operating internationally. Our international operations could exacerbate the other risk factors we have identified, and we could be affected by a variety of uncontrollable and changing factors, including, but not limited to: difficulty in protecting our intellectual property in foreign jurisdictions; enforcing contractual commitments in foreign jurisdictions or against foreign corporations; government regulations, tariffs and other applicable trade barriers; biased enforcement of foreign laws and regulations to promote industrial or economic policies at our expense; retaliatory practices by foreign actors; currency control regulations; export license requirements and restrictions on the use of technology; social, economic and political instability; costly, time consuming and changing regulatory regimes; natural disasters, acts of terrorism, widespread illness and war; potentially adverse tax consequences; general delays in remittance of and difficulties collecting non-U.S. payments; foreign labor regulations; anti-corruption laws; public health issues; and difficulty in staffing and managing operations remotely. Managing operations and complying with relevant laws and regulations in China may be particularly complex, costly and time-consuming. We also are subject to risks specific to the individual countries in which we and our licensees, potential licensees and customers do business.

In addition, adverse movements in currency exchange rates may negatively affect our business due to a number of situations, including the following:

•If the effective price of products sold by our licensees were to increase as a result of fluctuations in the exchange rate of the relevant currencies, demand for the products could fall, which in turn would reduce our royalty revenues.

•Assets or liabilities of our consolidated subsidiaries may be subject to the effects of currency fluctuations, which may affect our reported earnings.

•Certain of our operating and investing costs, such as foreign patent prosecution, are based in foreign currencies. If these costs are not subject to foreign exchange hedging transactions, strengthening currency values in selected regions could adversely affect our near-term operating expenses, investment costs and cash flows. In addition, continued strengthening of currency values in selected regions over an extended period of time could adversely affect our future operating expenses, investment costs and cash flows.

38

Item 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS.

Issuer Purchases of Equity Securities

The following table provides information regarding the Company’s purchases of its common stock during second quarter 2023.

Period	Total Number of Shares Purchased (1)	Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs (2)	Maximum Number (or Approximate Dollar Value) of Shares That May Yet Be Purchased Under the Plans or Programs (3)
April 1, 2023 - April 30, 2023	301,350	$	72.05	301,350	$	178,345,644
May 1, 2023 - May 31, 2023	108,406	$	69.38	108,406	$	170,822,486
June 1, 2023 - June 30, 2023	137,899	$	91.31	137,899	$	158,227,500
Total	547,655	$	76.37	547,655

(1) Total number of shares purchased during each period reflects share purchase transactions that were completed (i.e., settled) during the period indicated.

(2) Shares were purchased pursuant to the Company’s share repurchase program (the “Share Repurchase Program”), $300 million of which was authorized by the Company’s Board of Directors in June 2014, with an additional $100 million authorized by the Company’s Board of Directors in each of June 2015, September 2017, December 2018, May 2019, and May 2022, respectively, and an additional $333 million in December 2022. The Share Repurchase Program has no expiration date.

(3) Amounts shown in this column reflect the amounts remaining under the Share Repurchase Program at the end of the period.    

Item 4. MINE SAFETY DISCLOSURES.

Not applicable.

Item 5. OTHER INFORMATION.

During second quarter 2023, the following Section 16 officers adopted, modified or terminated “Rule 10b5-1 trading arrangements” (as defined in Item 408 of Regulation S-K of the Exchange Act):

	Action	Date	Trading Arrangement		Maximum Shares to be Sold*	Expiration Date
			Rule 10b5-1	Non-Rule 10b5-1
Rajesh Pankaj	Adopt	May 12, 2023	X		5,850	May 31, 2024
Joshua Schmidt	Adopt	May 24, 2023	X		2,954	May 24, 2024
Eeva Hakoranta	Adopt	June 20, 2023	X		8,168	April 12, 2024

* With respect to grants that have not yet vested, assumes shares withheld for tax purposes consistent with the individual’s tax rate. With respect to milestone awards, assumes no milestones are achieved prior to the expiration of the trading plan.

39

Item 6. EXHIBITS.

The following is a list of exhibits filed with this Quarterly Report on Form 10-Q:

Exhibit Number	Exhibit Description
31.1	Certification of Principal Executive Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934, as amended.
31.2	Certification of Principal Financial Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934, as amended.
32.1+	Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350.
32.2+	Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350.
101.INS	Inline Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH	Inline Schema Document
101.CAL	Inline Calculation Linkbase Document
101.DEF	Inline Definition Linkbase Document
101.LAB	Inline Labels Linkbase Document
101.PRE	Inline Presentation Linkbase Document
104	Inline Cover Page Interactive Data File (formatted as Inline XBRL with applicable taxonomy extension information contained in Exhibits 101)

______________________________

+ This exhibit will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (15 U.S.C. 78r), or otherwise subject to the liability of that section. Such exhibit will not be deemed to be incorporated by reference into any filing under the Securities Act or Securities Exchange Act, except to the extent that InterDigital, Inc. specifically incorporates it by reference.

40

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	INTERDIGITAL, INC.
Date: August 3, 2023	/s/ LIREN CHEN
	Liren Chen
	President and Chief Executive Officer
Date: August 3, 2023	/s/ RICHARD J. BREZSKI
	Richard J. Brezski
	Chief Financial Officer

41

EX-31.1

EXHIBIT 31.1

CERTIFICATIONS

I, Liren Chen, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of InterDigital, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting;

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 3, 2023	/s/ Liren Chen
	Liren Chen
	President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATIONS

I, Richard J. Brezski, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of InterDigital, Inc.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting;

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: August 3, 2023	/s/ Richard J. Brezski
	Richard J. Brezski
	Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the accompanying Quarterly Report on Form 10-Q of InterDigital, Inc. (the “Company”) for the quarter ended June 30, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Liren Chen, President and Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 3, 2023	/s/ Liren Chen
	Liren Chen
	President and Chief Executive Officer

EX-32.2

EXHIBIT 32.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the accompanying Quarterly Report on Form 10-Q of InterDigital, Inc. (the “Company”) for the quarter ended June 30, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Richard J. Brezski, Chief Financial Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 3, 2023	/s/ Richard J. Brezski
	Richard J. Brezski
	Chief Financial Officer

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Cover Page - shares	6 Months Ended
	Jun. 30, 2023	Aug. 01, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2023
Document Transition Report	false
Entity File Number	1-33579
Entity Registrant Name	INTERDIGITAL, INC.
Entity Incorporation, State or Country Code	PA
Entity Tax Identification Number	82-4936666
Entity Address, Address Line One	200 Bellevue Parkway
Entity Address, Address Line Two	Suite 300
Entity Address, City or Town	Wilmington
Entity Address, State or Province	DE
Entity Address, Postal Zip Code	19809-3727
City Area Code	302
Local Phone Number	281-3600
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	IDCC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		26,407,096
Entity Central Index Key	0001405495
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Amendment Flag	false

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Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 277,599	$ 693,479
Short-term investments	563,124	508,298
Accounts receivable	236,794	53,182
Prepaid and other current assets	114,630	89,716
Total current assets	1,192,147	1,344,675
NON-CURRENT ASSETS:
PROPERTY AND EQUIPMENT, NET	11,683	11,338
PATENTS, NET	336,990	353,999
DEFERRED TAX ASSETS	94,278	94,373
OTHER NON-CURRENT ASSETS, NET	125,081	95,720
Total non-current assets	568,032	555,430
TOTAL ASSETS	1,760,179	1,900,105
CURRENT LIABILITIES:
Current portion of long-term debt	125,628	0
Accounts payable	8,313	9,997
Accrued compensation and related expenses	22,315	38,400
Deferred revenue	172,650	189,059
Dividends payable	9,273	10,384
Other accrued expenses	108,325	23,506
Total current liabilities	446,504	271,346
LONG-TERM DEBT	483,917	607,066
LONG-TERM DEFERRED REVENUE	172,582	237,580
OTHER LONG-TERM LIABILITIES	56,820	53,600
TOTAL LIABILITIES	1,159,823	1,169,592
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS’ EQUITY:
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	0	0
Common Stock, $0.01 par value, 100,000 shares authorized, 69,372 and 71,923 shares issued and 26,569 and 29,668 shares outstanding	693	719
Additional paid-in capital	726,852	717,102
Retained earnings	1,396,393	1,492,046
Accumulated other comprehensive loss	(2,176)	(916)
TOTAL SHAREHOLDERS’ EQUITY	2,121,762	2,208,951
Treasury stock, 42,803 and 42,255 shares of common stock held at cost	1,526,545	1,484,056
Total InterDigital, Inc. shareholders’ equity	595,217	724,895
Noncontrolling interest	5,139	5,618
Total equity	600,356	730,513
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 1,760,179	$ 1,900,105

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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2023	Dec. 31, 2022
SHAREHOLDERS’ EQUITY:
Preferred stock, par value (in USD per share)	$ 0.10	$ 0.10
Preferred stock, shares authorized (in shares)	14,399,000	14,399,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	69,372,000	71,923,000
Common stock, shares outstanding (in shares)	26,569,000	29,668,000
Treasury stock, shares of common held at cost (in shares)	42,803,000	42,255,000

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Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
REVENUES
REVENUES	$ 101,591	$ 124,657	$ 303,964	$ 225,975
Operating Expenses
Research and portfolio development	49,878	45,177	99,307	89,354
Licensing	16,644	17,326	38,012	32,856
General and administrative	11,693	9,516	24,008	20,400
Restructuring activities	0	2,738	0	3,280
Total Operating expenses	78,215	74,757	161,327	145,890
Income from operations	23,376	49,900	142,637	80,085
INTEREST EXPENSE	(12,141)	(6,272)	(24,228)	(11,787)
OTHER INCOME (EXPENSE), NET	14,387	(15,016)	27,578	(16,021)
Income before income taxes	25,622	28,612	145,987	52,277
INCOME TAX PROVISION	(4,329)	(8,028)	(21,174)	(13,989)
NET INCOME	21,293	20,584	124,813	38,288
Net loss attributable to noncontrolling interest	(490)	(485)	(2,229)	(775)
NET INCOME ATTRIBUTABLE TO INTERDIGITAL, INC.	$ 21,783	$ 21,069	$ 127,042	$ 39,063
NET INCOME PER COMMON SHARE — BASIC (in USD per share)	$ 0.81	$ 0.69	$ 4.58	$ 1.28
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING — BASIC (in shares)	26,768	30,413	27,754	30,557
NET INCOME PER COMMON SHARE — DILUTED (in USD per share)	$ 0.79	$ 0.69	$ 4.46	$ 1.26
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING — DILUTED (in shares)	27,655	30,710	28,494	30,992

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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 21,293	$ 20,584	$ 124,813	$ 38,288
Unrealized loss on investments, net of tax	(1,839)	(57)	(1,260)	(367)
Comprehensive income	19,454	20,527	123,553	37,921
Comprehensive loss attributable to noncontrolling interest	(490)	(485)	(2,229)	(775)
Total comprehensive income attributable to InterDigital, Inc.	$ 19,944	$ 21,012	$ 125,782	$ 38,696

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Condensed Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Non-Controlling Interest
Beginning balance (in shares) at Dec. 31, 2021		71,720
Beginning balance (in shares) at Dec. 31, 2021						41,031
Beginning balance at Dec. 31, 2021	$ 752,917	$ 717	$ 713,599	$ 1,441,105	$ (571)	$ (1,409,611)	$ 7,678
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to InterDigital, Inc.	17,994			17,994
Net loss attributable to noncontrolling interest	(290)						(290)
Noncontrolling interest contributions	(1,928)						(1,928)
Noncontrolling interest contributions	1,500						1,500
Net change in unrealized loss on short-term investments	(310)				(310)
Dividends declared ($0.35 per share)	(10,803)		158	(10,961)
Exercise of common stock options (in shares)		24
Exercise of common stock options	1,226		1,226
Issuance of common stock, net	(5,026)	$ 1	(5,027)
Issuance of common stock, net (in shares)		139
Amortization of unearned compensation	5,386		5,386
Ending balance (in shares) at Mar. 31, 2022		71,883
Ending balance (in shares) at Mar. 31, 2022						41,031
Ending balance at Mar. 31, 2022	760,666	$ 718	715,342	1,448,138	(881)	$ (1,409,611)	6,960
Beginning balance (in shares) at Dec. 31, 2021		71,720
Beginning balance (in shares) at Dec. 31, 2021						41,031
Beginning balance at Dec. 31, 2021	752,917	$ 717	713,599	1,441,105	(571)	$ (1,409,611)	7,678
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to InterDigital, Inc.	39,063
Net loss attributable to noncontrolling interest	(775)
Net change in unrealized loss on short-term investments	(367)
Ending balance (in shares) at Jun. 30, 2022		71,912
Ending balance (in shares) at Jun. 30, 2022						42,255
Ending balance at Jun. 30, 2022	685,244	$ 719	704,370	1,458,674	(938)	$ (1,484,056)	6,475
Beginning balance (in shares) at Mar. 31, 2022		71,883
Beginning balance (in shares) at Mar. 31, 2022						41,031
Beginning balance at Mar. 31, 2022	760,666	$ 718	715,342	1,448,138	(881)	$ (1,409,611)	6,960
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to InterDigital, Inc.	21,069			21,069
Net loss attributable to noncontrolling interest	(485)						(485)
Net change in unrealized loss on short-term investments	(57)				(57)
Dividends declared ($0.35 per share)	(10,380)		153	(10,533)
Issuance of common stock, net	(707)	$ 1	(708)
Issuance of common stock, net (in shares)		29
Amortization of unearned compensation	3,977		3,977
Repurchase of common stock (in shares)						1,224
Repurchase of common stock	(74,445)					$ (74,445)
Net convertible note hedge transactions, net of tax	(54,257)		(54,257)
Net warrant transactions	39,863		39,863
Ending balance (in shares) at Jun. 30, 2022		71,912
Ending balance (in shares) at Jun. 30, 2022						42,255
Ending balance at Jun. 30, 2022	$ 685,244	$ 719	704,370	1,458,674	(938)	$ (1,484,056)	6,475
Beginning balance (in shares) at Dec. 31, 2022	29,668	71,923
Beginning balance (in shares) at Dec. 31, 2022	42,255					42,255
Beginning balance at Dec. 31, 2022	$ 730,513	$ 719	717,102	1,492,046	(916)	$ (1,484,056)	5,618
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to InterDigital, Inc.	105,259			105,259
Net loss attributable to noncontrolling interest	(1,739)						(1,739)
Noncontrolling interest contributions	1,750						1,750
Net change in unrealized loss on short-term investments	579				579
Dividends declared ($0.35 per share)	(9,449)		259	(9,708)
Exercise of common stock options (in shares)		13
Exercise of common stock options	687		687
Issuance of common stock, net	(6,708)	$ 1	(6,709)
Issuance of common stock, net (in shares)		132
Amortization of unearned compensation	7,790		7,790
Repurchase of common stock (in shares)		2,739
Repurchase of common stock	(203,381)	$ (27)		(203,354)
Ending balance (in shares) at Mar. 31, 2023		69,329
Ending balance (in shares) at Mar. 31, 2023						42,255
Ending balance at Mar. 31, 2023	$ 625,301	$ 693	719,129	1,384,243	(337)	$ (1,484,056)	5,629
Beginning balance (in shares) at Dec. 31, 2022	29,668	71,923
Beginning balance (in shares) at Dec. 31, 2022	42,255					42,255
Beginning balance at Dec. 31, 2022	$ 730,513	$ 719	717,102	1,492,046	(916)	$ (1,484,056)	5,618
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to InterDigital, Inc.	127,042
Net loss attributable to noncontrolling interest	(2,229)
Net change in unrealized loss on short-term investments	$ (1,260)
Ending balance (in shares) at Jun. 30, 2023	26,569	69,372
Ending balance (in shares) at Jun. 30, 2023	42,803					42,803
Ending balance at Jun. 30, 2023	$ 600,356	$ 693	726,852	1,396,393	(2,176)	$ (1,526,545)	5,139
Beginning balance (in shares) at Mar. 31, 2023		69,329
Beginning balance (in shares) at Mar. 31, 2023						42,255
Beginning balance at Mar. 31, 2023	625,301	$ 693	719,129	1,384,243	(337)	$ (1,484,056)	5,629
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to InterDigital, Inc.	21,783			21,783
Net loss attributable to noncontrolling interest	(490)						(490)
Net change in unrealized loss on short-term investments	(1,839)				(1,839)
Dividends declared ($0.35 per share)	(9,273)		360	(9,633)
Exercise of common stock options (in shares)		1
Exercise of common stock options	12		12
Issuance of common stock, net	(1,389)		(1,389)
Issuance of common stock, net (in shares)		42
Amortization of unearned compensation	8,740		8,740
Repurchase of common stock (in shares)						548
Repurchase of common stock	$ (42,489)					$ (42,489)
Ending balance (in shares) at Jun. 30, 2023	26,569	69,372
Ending balance (in shares) at Jun. 30, 2023	42,803					42,803
Ending balance at Jun. 30, 2023	$ 600,356	$ 693	$ 726,852	$ 1,396,393	$ (2,176)	$ (1,526,545)	$ 5,139

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Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022
Statement of Stockholders' Equity [Abstract]
Dividends declared (in USD per share)	$ 0.35	$ 0.35	$ 0.35	$ 0.35

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 124,813	$ 38,288
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	39,171	40,436
Non-cash change in fair-value	(3,258)	(1,404)
Non-cash interest (income) expense, net	(6,330)	3,058
Change in deferred revenue	(81,407)	(127,700)
Loss on extinguishment of long-term debt	0	11,190
Deferred income taxes	430	9,850
Share-based compensation	16,530	9,363
Asset impairment	2,500	2,427
Other	81	0
(Increase) decrease in assets:
Receivables	(183,612)	(17,688)
Deferred charges and other assets	(51,818)	1,434
(Decrease) increase in liabilities:
Accounts payable	(955)	5,701
Accrued compensation and other expenses	70,563	(26,695)
Net cash used in operating activities	(73,292)	(51,740)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of short-term investments	(531,556)	(1,929)
Sales of short-term investments	485,528	166,729
Purchases of property and equipment	(2,603)	(762)
Capitalized patent costs	(18,914)	(21,323)
Net cash (used in) provided by investing activities	(67,545)	142,715
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of convertible senior notes	0	460,000
Purchase of convertible bond hedge	0	(80,500)
Proceeds from issuance of warrants	0	43,700
Payments on long-term debt	0	(282,499)
Proceeds from hedge unwind	0	11,851
Payment for warrant unwind	0	(3,837)
Payments of debt issuance costs	(100)	(8,726)
Repurchase of common stock	(245,870)	(74,445)
Net proceeds from exercise of stock options	699	1,226
Non-controlling interest contribution	1,750	1,500
Taxes withheld upon restricted stock unit vestings	(8,098)	(5,733)
Dividends paid	(19,833)	(21,544)
Net cash (used in) provided by financing activities	(271,452)	40,993
NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(412,289)	131,968
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF PERIOD	703,161	713,224
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, END OF PERIOD	$ 290,872	$ 845,192

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Basis of Presentation

6 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

BASIS OF PRESENTATION

BASIS OF PRESENTATION

In the opinion of management, the accompanying unaudited, condensed consolidated financial statements contain all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the financial position of InterDigital, Inc. (individually and/or collectively with its subsidiaries referred to as “InterDigital,” the “Company,” “we,” “us” or “our,” unless otherwise indicated) as of June 30, 2023, the results of our operations for the three and six months ended June 30, 2023 and 2022 and our cash flows for the six months ended June 30, 2023 and 2022. The accompanying unaudited, condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and, accordingly, do not include all of the detailed schedules, information and notes necessary to state fairly the financial condition, results of operations and cash flows in conformity with United States generally accepted accounting principles (“GAAP”). The year-end condensed consolidated balance sheet data was derived from audited financial statements but does not include all disclosures required by GAAP for year-end financial statements. Therefore, these financial statements should be read in conjunction with the financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022 (our “2022 Form 10-K”) as filed with the Securities and Exchange Commission (“SEC”) on February 15, 2023. Definitions of capitalized terms not defined herein appear within our 2022 Form 10-K. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year. We have one reportable segment.

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates.

Change in Accounting Policies

There have been no material changes or updates to our existing accounting policies from the disclosures included in our 2022 Form 10-K, except as indicated below in "New Accounting Guidance".

Reclassifications

Certain reclassifications have been made to prior year amounts to conform to the current year presentation.

During 2022, the Company made reclassifications between the operating expenses lines on the consolidated income statement in order to more clearly reflect the Company’s investments to create and protect the value of our innovations. The Company grouped research and portfolio related costs within the line "Research and portfolio development", previously referred to as "Development", which resulted in reclassifying certain portfolio related costs out of the "Licensing" line, previously referred to as "Patent administration and licensing", and into "Research and portfolio development." The impact of this reclassification was $28.1 million and $54.7 million for the three and six months ended June 30, 2022, respectively. Additionally, the previous "Selling, general, and administrative" line is now referred to as "General and administrative".

During 2022, we updated our disaggregated revenue disclosures to provide information to enable investors to better understand the composition of revenue from contracts with customers. As a result, variable patent royalty revenue and fixed-fee royalty revenue was combined and disaggregated into the Smartphone and CE, IoT/Auto groupings. Additionally, the Other category includes current technology solutions revenues and catch-up revenues is comprised of past patent royalties and revenues from static agreements. We believe this better reflects both our current revenue sources and our growth opportunities across these vertical markets.

Supplemental Cash Flow Information

The following table presents additional supplemental cash flow information for the six months ended June 30, 2023 and 2022 (in thousands):

	Six months ended June 30,
SUPPLEMENTAL CASH FLOW INFORMATION:	2023		2022
Interest paid	$	9,312	$	3,938
Income taxes paid, including foreign withholding taxes	21,132		4,363
Non-cash investing and financing activities:
Dividend payable	9,273		10,380
Accrued debt issuance costs	—		1,233
Right-of-use assets obtained in exchange of operating lease liabilities	93		417
Non-cash acquisition of patents	—		30,100
Non-cash distribution of patents	—		1,928
Accrued capitalized patent costs and property and equipment purchases	729		3,634
Unsettled repurchase of common stock	1,998		—

New Accounting Guidance

No new accounting pronouncement issued or effective during first half of 2023 has or is expected to have a material impact on our condensed consolidated interim financial statements.

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Revenue

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

REVENUE

REVENUE

Disaggregated Revenue

The following table presents the disaggregation of our revenue for the three and six months ended June 30, 2023 and 2022 (in thousands):

	Three months ended June 30,
	2023		2022		Total Increase/(Decrease)
Recurring revenues:
Smartphone	$	85,075	$	87,484	$	(2,409)	(3)	%
CE, IoT/Auto	13,432		11,945		1,487		12	%
Other	566		672		(106)		(16)	%
Total recurring revenues	99,073		100,101		(1,028)		(1)	%
Catch-up revenues a	2,518		24,556		(22,038)		(90)	%
Total revenues	$	101,591	$	124,657	$	(23,066)	(19)	%

	Six months ended June 30,
	2023		2022		Total Increase/(Decrease)
Recurring revenues:
Smartphone	$	172,506	$	175,182	$	(2,676)	(2)	%
CE, IoT/Auto	27,518		23,135		4,383		19	%
Other	622		911		(289)		(32)	%
Total recurring revenues	200,646		199,228		1,418		1	%
Catch-up revenues a	103,318		26,747		76,571		286	%
Total revenues	$	303,964	$	225,975	$	77,989	35	%

(a)    Catch-up revenues are comprised of past patent royalties and revenues from static agreements.

During the six months ended June 30, 2023, we recognized $102.4 million of revenue that had been included in deferred revenue as of the beginning of the period. As of June 30, 2023, we had contract assets of $35.1 million and $39.1 million included within "Accounts receivable" and "Other non-current assets, net" in the condensed consolidated balance sheet, respectively. As of December 31, 2022, we had contract assets of $32.9 million and $2.5 million included within "Accounts receivable" and "Other non-current assets, net" in the condensed consolidated balance sheet, respectively.

Contracted Revenue

Based on contracts signed and committed as of June 30, 2023, we expect to recognize the following revenue from dynamic fixed-fee royalty payments over the term of such contracts (in thousands):

	Revenue (a)
Remainder of 2023	$	178,651
2024	297,037
2025	284,283
2026	215,618
2027	213,257
2028 and Thereafter	472,696
Total Revenue	$	1,661,542

(a)    This table includes our estimated revenue related to Samsung and Lenovo.  In accordance with ASC 606, these estimates are limited to the amount of revenue we expect to recognize only to the extent it is probable that a subsequent change in the estimate would not result in a significant revenue reversal.

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Income Taxes

6 Months Ended

Jun. 30, 2023

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

In the six months ended June 30, 2023 and 2022, the Company had an estimated annual effective tax rate of 14.5% and 26.8%, respectively. The change in effective tax rate is due to an increase in the amount of Foreign Derived Intangible Income deduction benefit available to the Company due to higher taxable income inclusive of timing differences between the recognition of book and tax revenue. Additionally, the effective tax rate in both periods was impacted by losses in certain jurisdictions where the Company presently has recorded a valuation allowance against the related tax benefit. Excluding this valuation allowance, our effective tax rate for the six months ended June 30, 2023 and 2022 would have been 13.0% and 23.2%, respectively. During the six months ended June 30, 2023 the Company recorded a discrete net benefit of $1.2 million primarily related to share-based compensation. The prior period included a net discrete tax expense of $2.3 million related to the extinguishment of long-term debt recognized during second quarter of 2022.

The effective tax rate reported in any given year will continue to be influenced by a variety of factors, including timing differences between the recognition of book and tax revenue, the level of pre-tax income or loss, the foreign vs. domestic classification of the Company’s customers, and any discrete items that may occur.

During the six months ended June 30, 2023 and 2022, the Company paid approximately $6.0 million and $3.5 million, respectively, in foreign source creditable withholding tax.

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Net Income Per Share

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

NET INCOME PER SHARE

NET INCOME PER SHARE

Basic Earnings Per Share ("EPS") is calculated by dividing net income or loss available to common shareholders by the weighted-average number of common shares outstanding for the period. Diluted EPS reflects the potential dilution that could occur if options or other securities with features that could result in the issuance of common stock were exercised or converted to common stock or resulting from the unvested outstanding restricted stock units ("RSUs"). The following tables reconcile the numerator and the denominator of the basic and diluted net income per share computation (in thousands, except for per share data):

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Net income applicable to InterDigital, Inc.	$	21,783	$	21,069	$	127,042	$	39,063
Weighted-average shares outstanding:
Basic	26,768		30,413		27,754		30,557
Dilutive effect of stock options, RSUs, convertible securities and warrants	887		297		740		435
Diluted	27,655		30,710		28,494		30,992
Earnings per share:
Basic	$	0.81	$	0.69	$	4.58	$	1.28
Dilutive effect of stock options, RSUs, convertible securities and warrants	(0.02)		—		(0.12)		(0.02)
Diluted	$	0.79	$	0.69	$	4.46	$	1.26

Shares of common stock issuable upon the exercise or conversion of certain securities have been excluded from our computation of EPS because the strike price or conversion rate, as applicable, of such securities was greater than the average market price of our common stock and, as a result, the effect of such exercise or conversion would have been anti-dilutive. Set forth below are the securities and the weighted average number of shares of common stock underlying such securities that were excluded from our computation of EPS for the periods presented (in thousands):

	Three months ended June 30,		Six months ended June 30,
	2023	2022	2023	2022
Restricted stock units and stock options	4	529	212	471
Warrants	7,488	5,880	7,488	5,400
Total	7,492	6,409	7,700	5,871

Convertible Notes and Warrants

Refer to Note 7, "Obligations," for information about the Company's convertible notes and warrants and related conversion and strike prices. During periods in which the average market price of the Company's common stock is above the applicable conversion price of the Company's convertible notes, or above the strike price of the Company's outstanding warrants, the impact of conversion or exercise, as applicable, would be dilutive and such dilutive effect is reflected in diluted EPS. As a result, in periods where the average market price of the Company's common stock is above the conversion price or strike price, as applicable, under the if-converted method, the Company calculates the number of shares issuable under the terms of the convertible notes and the warrants based on the average market price of the stock during the period, and includes that number in the total diluted shares outstanding for the period.

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Litigation and Legal Proceedings

6 Months Ended

Jun. 30, 2023

Litigation Settlement [Abstract]

LITIGATION AND LEGAL PROCEEDINGS

LITIGATION AND LEGAL PROCEEDINGS

ARBITRATIONS AND COURT PROCEEDINGS

Lenovo

UK Proceedings

On August 27, 2019, the Company and certain of its subsidiaries filed a claim in the UK High Court against Lenovo Group Limited and certain of its subsidiaries. The claim, as amended, alleges infringement of five of the Company's patents relating to 3G and/or 4G/LTE standards: European Patent (UK) Nos. 2,363,008; 2,421,318; 2,485,558; 2,557,714; and 3,355,537. The Company sought, among other relief, injunctive relief to prevent further infringement of the asserted patents or, in the alternative, a determination of the terms of a FRAND license.

On July 29, 2021, the UK High Court issued its decision regarding the first technical trial finding European Patent (UK) No. 2,485,558 valid, infringed, and essential to Release 8 of LTE. Lenovo appealed this decision, and on January 19, 2023, the UK Court of Appeal upheld the UK High Court’s findings that Lenovo is infringing on InterDigital’s valid and essential patent. On January 6, 2022, the UK High Court issued its decision regarding the second technical trial finding European Patent (UK) No. 3,355,537 invalid, but essential and infringed but for the finding of invalidity. The Company appealed this decision as legally erroneous, and on February 9, 2023, the UK Court of Appeal allowed the appeal, finding that Lenovo is infringing on InterDigital’s valid and essential patent. On January 31, 2023, the UK High Court issued its decision regarding the third technical trial finding European Patent (UK) No. 2,421,318 valid, essential, and infringed. On March 7, 2023, the UK High Court issued an order staying all deadlines with respect to the fourth and fifth technical trials. On March 16, 2023, the UK High Court issued its order regarding judgement in the trial to determine how much Lenovo must pay for a license to the Company's portfolio of cellular assets, awarding the Company a lump sum of $138.7 million for such license through December 31, 2023. A form of order hearing took place in May 2023 regarding the license terms, interest, costs, and permission to appeal. On June 27, 2023, the court issued an order awarding the Company an additional $46.2 million, thus increasing the total award to $184.9 million, which was paid on July 11, 2023. The court also found that the Company should pay a portion of Lenovo’s costs and granted both parties permission to appeal on certain grounds. The judge has not yet determined the amount of Lenovo’s costs the Company must pay.

District of Delaware Patent Proceedings

On August 28, 2019, the Company and certain of its subsidiaries filed a complaint in the United States District Court for the District of Delaware (the "Delaware District Court") against Lenovo Holding Company, Inc. and certain of its subsidiaries alleging that Lenovo infringes eight of the Company's U.S. patents-U.S. Patent Nos. 8,085,665; 8,199,726; 8,427,954; 8,619,747; 8,675,612; 8,797,873; 9,203,580; and 9,456,449-by making, using, offering for sale, and/or selling Lenovo wireless devices with 3G and/or 4G LTE capabilities. As relief, InterDigital is seeking: (a) a declaration that the Company is not in breach of its relevant FRAND commitments with respect to Lenovo; (b) to the extent Lenovo does not agree to negotiate a worldwide patent license, does not agree to enter into binding international arbitration to set the terms of a FRAND license, and does not agree to be bound by the terms to be set by the UK High Court in the separately filed UK proceedings described above, an injunction prohibiting Lenovo from continued infringement; (c) damages, including enhanced damages for willful infringement and supplemental damages; and (d) attorneys’ fees and costs.

On September 16, 2020, the Delaware District Court entered a schedule for the case, setting a patent jury trial. On March 8, 2021, the Delaware District Court held a claim construction hearing, and the court issued its order on May 10, 2021, construing various disputed terms. On March 24, 2021, the Delaware District Court consolidated the antitrust proceeding discussed below with this patent proceeding. Trial for the consolidated proceedings was rescheduled from March 6, 2023 to July 10, 2023, and once again to December 4, 2023. On April 25, 2022, the parties filed a stipulation to stay only the claims relating to U.S. Patent No. 8,199,726. The stipulation was granted. On January 13, 2023, Lenovo filed a motion to sever and stay the Company’s patent infringement claims, requesting that its Sherman Act and breach of FRAND claims proceed to trial. On June 30, 2023, the parties submitted an update to the Court requesting that the case be stayed, and on July 18, 2023 the court ordered that the case be stayed pending all appeals in the UK proceedings.

District of Delaware Antitrust Proceedings

On April 9, 2020, Lenovo (United States) Inc. and Motorola Mobility LLC filed a complaint in the Delaware District Court against the Company and certain of its subsidiaries. The complaint alleges that the Company defendants have violated Sections 1 and 2 of the Sherman Act in connection with, among other things, their licensing of 3G and 4G standards essential patents ("SEPs"). The complaint further alleges that the Company defendants have violated their commitment to the ETSI with respect to the licensing of 3G and 4G SEPs on FRAND terms and conditions. The complaint seeks, among other things (i) rulings that the Company defendants have violated Sections 1 and 2 of the Sherman Act and are liable for breach of their ETSI FRAND commitments, (ii) a judgment that the plaintiffs are entitled to a license with respect to the Company's 3G and 4G SEPs on FRAND terms and conditions, and (iii) injunctions against any demand for allegedly excessive royalties or enforcement of the Company defendants' 3G and 4G U.S. SEPs against the plaintiffs or their customers via patent infringement proceedings.

On June 22, 2020, the Company filed a motion to dismiss Lenovo's Sherman Act claims with prejudice, and to dismiss Lenovo's breach of contract claim with leave to re-file as a counterclaim in the Company's legal proceeding against Lenovo in the Delaware District Court discussed above.

On March 24, 2021, the Delaware District Court ruled on the Company’s motion to dismiss. The Delaware District Court dismissed the Sherman Act Section 1 claim without prejudice, denied the motion to dismiss the Sherman Act Section 2 claim, and consolidated the Section 2 and breach of contract claims with Company’s Delaware patent proceeding discussed above. Accordingly, these claims have stayed pending all appeals in the UK proceedings.

China Proceedings

On April 10, 2020, Lenovo (Beijing) Ltd. and certain of its affiliates filed a complaint against the Company and certain of its subsidiaries in the Beijing Intellectual Property Court (the “Beijing IP Court”) seeking a determination of the FRAND royalty rates payable for the Company's Chinese 3G, 4G and 5G SEPs. On February 20, 2021, the Company filed an application challenging the jurisdiction of the Beijing IP Court to take up Lenovo’s complaint. On November 15, 2021, the Beijing IP Court denied the jurisdictional challenge, and the Company filed an appeal with the Supreme People’s Court of the People’s Republic of China (the “SPC”) on December 14, 2021. That appeal was denied by the SPC on September 5, 2022, and the case was sent back to the Beijing IP Court. On November 9, 2022, the Company filed a petition to stay the case. On June 12, 2023, the Beijing IP Court decided not to dismiss or stay the case at this time.

On November 26, 2021, the Company was informed that Lenovo had purportedly filed an additional complaint against the Company in the Wuhan Intermediate People’s Court (the “Wuhan Court”) seeking a determination of a global FRAND royalty rate for the period from 2024 to 2029 for the Company’s 3G, 4G, and 5G SEPs. On April 16, 2022, the Company filed an application challenging, among other things, process of service and the jurisdiction of the Wuhan Court. The application remains pending.

Germany Proceedings

On March 25, 2022, March 28, 2022, and April 6, 2022, the Company and certain of its subsidiaries filed patent infringement claims in the Munich and Mannheim Regional Courts against Lenovo and certain of its affiliates, alleging infringement of European Patent Nos. 2,449,782; 2,452,498; 3,624,447 and 3,267,684 relating to HEVC standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents. The Mannheim Regional Court held a hearing on April 21, 2023 regarding European Patent No. 3,267,684. The Mannheim Regional Court held a hearing regarding European Patent No. 3,624,447 on May 2, 2023. On May 17, 2023, based on the parties’ agreement, the court ordered a pause in the proceedings regarding European Patent No. 3,624,447. The Munich Regional Court has scheduled hearings regarding European Patent Nos. 2,449,782 and 2,452,498 for September 14, 2023 and June 20, 2024, respectively.

Oppo, OnePlus and realme

UK Proceedings

On December 20, 2021, the Company filed a patent infringement claim in the UK High Court against Guangdong Oppo Mobile Telecommunications Corp., Ltd. (“Oppo”) and certain of its affiliates, OnePlus Technology (Shenzhen) Co., Ltd. (“OnePlus”) and certain of its affiliates, and realme Mobile Telecommunications (Shenzhen) Co., Ltd. (“realme”) and certain of its affiliates, alleging infringement of European Patent (UK) Nos. 2,127,420; 2,421,318; 2,485,558; and 3,355,537 relating to cellular 3G, 4G/LTE or 5G standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents.

On January 19, 2022, Oppo filed a jurisdictional challenge with the UK High Court which the parties have agreed to adjourn pending the outcome of Oppo’s jurisdiction challenge before the UK Supreme Court in a case involving Nokia. On December 8, 2022, the Company received confirmation that Oppo had dropped its jurisdictional challenge with the UK High Court.

On March 24, 2023, the parties agreed to stay all technical trials on the basis that European Patent No. 2,485,558 is valid and essential based on the result of Technical Trial A in the Lenovo UK proceedings. The willingness trial is expected to commence on October 23, 2023. The rate determination trial is scheduled to commence on February 26, 2024.

India Proceedings

On December 20, 2021 and December 22, 2021, the Company and certain of its subsidiaries filed patent infringement claims in the Delhi High Court in New Delhi, India against Oppo and certain of its affiliates, OnePlus and certain of its affiliates, and realme Mobile Telecommunication (India) Private Limited, alleging infringement of Indian Patent Nos. 262910, 295912, 313036, 320182, 319673, 242248, 299448, and 308108 relating to cellular 3G, 4G/LTE, and/or 5G, and HEVC standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents.

Germany Proceedings

On December 20, 2021, a subsidiary of the Company filed three patent infringement claims, two in the Munich Regional Court and one in the Mannheim Regional Court, against Oppo and certain of its affiliates, OnePlus and certain of its affiliates, and realme and certain of its affiliates, alleging infringement of European Patent Nos. 2,485,558; 2,127,420; and 2,421,318 relating to cellular 3G, 4G/LTE and/or 5G standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents. The Munich Regional Court held a hearing on December 14, 2022 regarding European Patent No. 2,421,318, with a second hearing scheduled for October 18, 2023. The Munich Regional Court held a hearing on March 2, 2023 regarding European Patent No. 2,127,420, with a second hearing scheduled for September 15, 2023. The Munich Regional Court has also scheduled a hearing for September 19, 2023 on European Patent No. 2,485,558.

China Proceedings

On January 19, 2022, the Company was informed that Oppo had purportedly filed a complaint against the Company in the Guangzhou Intellectual Property Court (the “Guangzhou IP Court”) seeking a determination of a global FRAND royalty rate for the Company’s 3G, 4G, 5G, 802.11 and HEVC SEPs. On May 20, 2022, the Company filed an application challenging, among other things, process of service and the jurisdiction of the Guangzhou IP Court. On January 12, 2023, the Guangzhou IP Court denied the application. On February 28, 2023, the Company filed an appeal to the decision, which is still pending.

Spain Proceedings

On March 1, 2022, a subsidiary of the Company filed patent infringement claims in the Barcelona Commercial Courts against Oppo and certain of its affiliates, OnePlus and certain of its affiliates, and realme and certain of its affiliates. The Company filed its amended complaint on April 25, 2022, alleging infringement of European Patent Nos. 3,355,537; 2,485,558; 2,421,318; and 2,557,715 relating to cellular 3G, 4G/LTE and/or 5G standards. The Company is seeking, among other relief, injunctive relief to prevent further infringement of the asserted patents.

Samsung

The Company reached an agreement with Samsung Electronics Co. Ltd. (“Samsung”) to enter into binding arbitration to determine the final terms of a renewed patent license agreement to certain of the Company’s patents, which will be effective from January 1, 2023. The Company and Samsung have also agreed not to initiate certain claims against the other during the arbitration. On March 31, 2023, the Company filed a request for arbitration with the International Chamber of Commerce.

On July 21, 2023, the International Chamber of Commerce confirmed the full tribunal for the arbitration, and the first case management conference is scheduled for August 3, 2023.

OTHER

We are party to certain other disputes and legal actions in the ordinary course of business, including arbitrations and legal proceedings with licensees regarding the terms of their agreements and the negotiation thereof. We do not currently believe that these matters, even if adversely adjudicated or settled, would have a material adverse effect on our financial condition, results of operations or cash flows. None of the preceding matters have met the requirements for accrual or disclosure of a potential range as of June 30, 2023, except as noted above.

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Cash, Concentration of Credit Risk and Fair Value of Financial Instruments

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

CASH, CONCENTRATION OF CREDIT RISK AND FAIR VALUE OF FINANCIAL INSTRUMENTS

CASH, CONCENTRATION OF CREDIT RISK AND FAIR VALUE OF FINANCIAL INSTRUMENTS

Cash, Cash Equivalents and Restricted Cash

Cash, cash equivalents and restricted cash currently consists of money market and demand accounts. The following table provides a reconciliation of total cash, cash equivalents and restricted cash as of June 30, 2023, December 31, 2022 and June 30, 2022 to the captions within the condensed consolidated balance sheets and condensed consolidated statements of cash flows (in thousands):

	June 30, 2023		December 31, 2022		June 30, 2022
Cash and cash equivalents	$	277,599	$	693,479	$	833,533
Restricted cash included within prepaid and other current assets	13,273		9,682		10,578
Restricted cash included within other non-current assets	—		—		1,081
Total cash, cash equivalents and restricted cash	$	290,872	$	703,161	$	845,192

Concentration of Credit Risk and Fair Value of Financial Instruments

Financial instruments that potentially subject us to concentration of credit risk consist primarily of cash equivalents, short-term investments, and accounts receivable. We place our cash equivalents and short-term investments only in highly rated financial instruments, such as United States government instruments.

Our accounts receivable and contract assets are derived principally from patent license and technology solutions agreements. Four licensees comprised 94% and 76% of our net accounts receivable balance as of June 30, 2023 and December 31, 2022, respectively. We perform ongoing credit evaluations of our licensees, who generally include large, multinational, wireless telecommunications equipment manufacturers. We believe that the book values of our financial instruments approximate their fair values.

Fair Value Measurements

We use various valuation techniques and assumptions when measuring the fair value of our assets and liabilities. We utilize market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. This guidance established a hierarchy that prioritizes fair value measurements based on the types of input used for the various valuation techniques (market approach, income approach and cost approach). The levels of the hierarchy are described below:

Level 1 Inputs — Level 1 includes financial instruments for which quoted market prices for identical instruments are available in active markets.

Level 2 Inputs — Level 2 includes financial instruments for which there are inputs other than quoted prices included within Level 1 that are observable for the instrument such as quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets with insufficient volume or infrequent transactions (less active markets) or model-driven valuations in which significant inputs are observable or can be derived principally from, or corroborated by, observable market data, including market interest rate curves, referenced credit spreads and pre-payment rates.

Level 3 Inputs — Level 3 includes financial instruments for which fair value is derived from valuation techniques including pricing models and discounted cash flow models in which one or more significant inputs are unobservable, including the Company’s own assumptions. The pricing models incorporate transaction details such as contractual terms, maturity and, in certain instances, timing and amount of future cash flows, as well as assumptions related to liquidity and credit valuation adjustments of marketplace participants.

Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the valuation of financial assets and financial liabilities and their placement within the fair value hierarchy. We use quoted market prices for similar assets to estimate the fair value of our Level 2 investments.

Recurring Fair Value Measurements

Our financial assets are generally included within short-term investments on our condensed consolidated balance sheets, unless otherwise indicated. Our financial assets and liabilities that are accounted for at fair value on a recurring basis are presented in the tables below as of June 30, 2023 and December 31, 2022 (in thousands):

	Fair Value as of June 30, 2023
	Level 1		Level 2		Level 3		Total
Assets:
Money market and demand accounts (a)	$	260,578	$	—	$	—	$	260,578
Commercial paper (b)	—		209,796		—		209,796
U.S. government securities(c)	—		233,435		—		233,435
Corporate bonds, asset backed and other securities (d)	—		148,189		—		148,189
Total	$	260,578	$	591,420	$	—	$	851,998

	Fair Value as of December 31, 2022
	Level 1		Level 2		Level 3		Total
Assets:
Money market and demand accounts (a)	$	643,825	$	—	$	—	$	643,825
Commercial paper (b)	—		209,956		—		209,956
U.S. government securities(c)	—		243,840		—		243,840
Corporate bonds, asset backed and other securities (d)	—		113,838		—		113,838
Total	$	643,825	$	567,634	$	—	$	1,211,459

______________________________

(a)Primarily included within cash and cash equivalents.

(b)As of June 30, 2023 and December 31, 2022, $1.6 million and $26.7 million of commercial paper was included within cash and cash equivalents, respectively.

(c)As of June 30, 2023 and December 31, 2022, $17.2 million and $15.7 million of U.S. government securities was included within cash and cash equivalents, respectively.

(d)As of June 30, 2023 and December 31, 2022, $9.5 million and $16.9 million of corporate bonds, asset backed and other securities was included within cash and cash equivalents, respectively.

Non-Recurring Fair Value Measurements

Patents

During first quarter 2023, we incurred a one-time impairment of $2.5 million on our patents held for sale. We determined the fair value based upon evaluation of market conditions.

During fourth quarter 2021, we renewed our multi-year, worldwide, non-exclusive patent license agreement with Sony Corporation of America ("Sony"). A portion of the consideration for the agreement was in the form of patents, which we received in March 2022. We have determined the fair value of the patents for determining the transaction price for revenue recognition purposes, which was estimated to be $30.1 million utilizing the income and market approaches. The value is amortized as a non-cash expense over the patents' estimated useful lives.

Investment in Other Entities

During second quarter 2023, we recognized a $3.1 million gain resulting from fair value changes of one of our long-term strategic investments, which was included within “Other income (expense), net” in the condensed consolidated statement of income.

During second quarter 2022, we recognized a $1.6 million gain resulting from observable price changes of our long-term strategic investments, which were included within “Other income (expense), net” in the condensed consolidated statement of income.

Fair Value of Long-Term Debt

Convertible Notes

The principal amount, carrying value and related estimated fair value of the Company's Convertible Notes reported as of June 30, 2023 and December 31, 2022 was as follows (in thousands). The aggregate fair value of the principal amount of the Convertible Notes is a Level 2 fair value measurement.

	June 30, 2023						December 31, 2022
	Principal Amount		Carrying Value		Fair Value		Principal Amount		Carrying Value		Fair Value
2027 Senior Convertible Long-Term Debt	$	460,000	$	451,929	$	619,252	$	460,000	$	451,062	$	441,485
2024 Senior Convertible Long-Term Debt	$	126,174	$	125,628	$	154,096	$	126,174	$	125,342	$	119,941

Technicolor Patent Acquisition Long-term Debt

The carrying value and related estimated fair value of the Technicolor Patent Acquisition long-term debt reported as of June 30, 2023 and December 31, 2022 was as follows (in thousands). The aggregate fair value of the Technicolor Patent Acquisition long-term debt is a Level 3 fair value measurement.

	June 30, 2023				December 31, 2022
	Carrying Value		Fair Value		Carrying Value		Fair Value
Technicolor Patent Acquisition Long-Term Debt	$	31,988	$	29,291	$	30,662	$	28,048

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Obligations

6 Months Ended

Jun. 30, 2023

Debt Disclosure [Abstract]

OBLIGATIONS

OBLIGATIONS

2027 Notes, and Related Note Hedge and Warrant Transactions

On May 27, 2022, we issued $460.0 million in aggregate principal amount of 3.50% Senior Convertible Notes due 2027 (the "2027 Notes"). The net proceeds from the issuance of the 2027 Notes, after deducting the initial purchasers' transaction fees and offering expenses, were approximately $450.0 million. The 2027 Notes bear interest at a rate of 3.50% per year, payable in cash on June 1 and December 1 of each year, commencing on December 1, 2022, and mature on June 1, 2027, unless earlier redeemed, converted or repurchased.

The 2027 Notes will be convertible into cash up to the aggregate principal amount of the notes to be converted and in respect of the remainder, if any, of the Company’s obligation in excess of the aggregate principal amount of the notes being converted, pay or deliver, as the case may be, cash, shares of the Company’s common stock or a combination thereof, at the Company’s election, at an initial conversion rate of 12.9041 shares of Common Stock per $1,000 principal amount of Notes (which is equivalent to an initial conversion price of approximately $77.49 per share).

The 2027 Notes are the Company’s senior unsecured obligations and rank equally in right of payment with any of the Company’s current and any future senior unsecured indebtedness, including its 2.00% Senior Convertible Notes due 2024 (the “2024 Notes” and together with the 2027 Notes, the "Convertible Notes"). The 2027 Notes are effectively subordinated to all of the Company’s future secured indebtedness to the extent of the value of the related collateral, and the 2027 Notes are structurally subordinated to indebtedness and other liabilities, including trade payables, of the Company’s subsidiaries.

On May 24 and May 25, 2022, in connection with the offering of the 2027 Notes, we entered into convertible note hedge transactions that cover, subject to customary anti-dilution adjustments, approximately 5.9 million shares of common stock, in the aggregate, at a strike price that initially corresponds to the initial conversion price of the 2027 Notes, subject to adjustment, and are exercisable upon any conversion of the 2027 Notes. Also on May 24 and May 25, 2022, we entered into privately negotiated warrant transactions, whereby we sold warrants to acquire, subject to customary anti-dilution adjustments, approximately 5.9 million shares of common stock at an initial strike price of $106.37 per share, subject to adjustment.

2024 Notes, and Related Note Hedge and Warrant Transactions

On June 3, 2019, we issued $400.0 million in aggregate principal amount of 2024 Notes. The net proceeds from the issuance of the 2024 Notes, after deducting the initial purchasers' transaction fees and offering expenses, were approximately $391.6 million. The 2024 Notes bear interest at a rate of 2.00% per year, payable in cash on June 1 and December 1 of each year, commencing on December 1, 2019, and mature on June 1, 2024, unless earlier redeemed, converted or repurchased.

The 2024 Notes are convertible into cash and shares of our common stock, with a specified dollar amount of $1,000 per $1,000 principal amount of 2024 Notes and any remaining amounts in shares of our common stock, at an initial conversion rate of 12.3018 shares of our common stock per $1,000 principal amount of 2024 Notes (which is equivalent to an initial conversion price of approximately $81.29 per share).

The 2024 Notes are senior unsecured obligations of the Company and rank equally in right of payment with any of our current and any future senior unsecured indebtedness. The 2024 Notes are effectively subordinated to all of our future secured indebtedness to the extent of the value of the related collateral, and the 2024 Notes are structurally subordinated to indebtedness and other liabilities, including trade payables, of our subsidiaries.

On May 29 and May 31, 2019, in connection with the offering of the 2024 Notes, we entered into convertible note hedge transactions (collectively, the "2024 Note Hedge Transactions") that cover, subject to customary anti-dilution adjustments, approximately 4.9 million shares of common stock, in the aggregate, at a strike price that initially corresponds to the initial conversion price of the 2024 Notes, subject to adjustment, and are exercisable upon any conversion of the 2024 Notes. On May 29 and May 31, 2019, we also entered into privately negotiated warrant transactions (collectively, the "2024 Warrant Transactions" and, together with the 2024 Note Hedge Transactions, the "2024 Call Spread Transactions"), whereby we sold warrants to acquire, subject to customary anti-dilution adjustments, approximately 4.9 million shares of common stock at an initial strike price of approximately $109.43 per share, subject to adjustment.

During second quarter 2022, the Company repurchased $273.8 million in aggregate principal amount of the 2024 Notes in privately negotiated transactions concurrently with the offering of the 2027 Notes. $126.2 million in aggregate principal amount of the 2024 Notes remained outstanding as of June 30, 2023. Additionally, in connection with the partial repurchase of the 2024 Notes, the Company entered into partial unwind agreements that amend the terms of the 2024 Note Hedge Transactions to reduce the number of options corresponding to the principal amount of the repurchased 2024 Notes. The unwind agreements also reduced the number of warrants exercisable under the 2024 Warrant Transactions. Approximately 1.6 million shares of common stock in the aggregate were covered under each of the 2024 Note Hedge Transactions and the 2024 Warrant Transactions as of June 30, 2023. As of June 30, 2023, the warrants under the 2024 Warrant Transactions had a strike price of approximately $109.43 per share, as adjusted.

The following table reflects the carrying value of our Convertible Notes long-term debt as of June 30, 2023 and December 31, 2022 (in thousands):

	June 30, 2023		December 31, 2022
3.50% Senior Convertible Notes due 2027	$	460,000	$	460,000
2.00% Senior Convertible Notes due 2024	126,174		126,174
Less: Deferred financing costs	(8,617)		(9,770)
Net carrying amount of the Convertible Notes	577,557		576,404
Less: Current portion of long-term debt	(125,628)		—
Long-term net carrying amount of the Convertible Notes	$	451,929	$	576,404

The following table presents the amount of interest cost recognized, which is included within "Interest expense" in our condensed consolidated statements of income, for the three and six months ended June 30, 2023 and 2022 relating to the contractual interest coupon and the amortization of deferred financing costs of the Convertible Notes (in thousands):

	Three months ended June 30,
	2023						2022
	2027 Notes		2024 Notes		Total		2027 Notes		2024 Notes		Total
Contractual coupon interest	$	4,025	$	631	$	4,656	$	1,476	$	1,498	$	2,974
Amortization of deferred financing costs	436		144		580		142		318		460
Total	$	4,461	$	775	$	5,236	$	1,618	$	1,816	$	3,434

	Six months ended June 30,
	2023						2022
	2027 Notes		2024 Notes		Total		2027 Notes		2024 Notes		Total
Contractual coupon interest	$	8,050	$	1,262	$	9,312	$	1,476	$	3,498	$	4,974
Amortization of deferred financing costs	867		286		1,153		142		742		884
Total	$	8,917	$	1,548	$	10,465	$	1,618	$	4,240	$	5,858

Technicolor Patent Acquisition Long-Term Debt

On July 30, 2018, we completed our acquisition of the patent licensing business of Technicolor SA ("Technicolor"), a worldwide technology leader in the media and entertainment sector (the "Technicolor Patent Acquisition"). In conjunction with the Technicolor Patent Acquisition, we assumed Technicolor’s rights and obligations under a joint licensing program with Sony relating to digital televisions and standalone computer display monitors, which commenced in 2015 and is referred to as the "Madison Arrangement." An affiliate of CPPIB Credit Investments Inc. ("CPPIB Credit"), a wholly owned subsidiary of Canada Pension Plan Investment Board, is a third-party investor in the Madison Arrangement. CPPIB Credit has made certain payments to Technicolor and Sony and has agreed to contribute cash to fund certain capital reserve obligations under the arrangement in exchange for a percentage of future revenues, specifically through September 11, 2030 in regard to the Technicolor patents.

Upon our assumption of Technicolor’s rights and obligations under the Madison Arrangement, our relationship with CPPIB Credit meets the criteria in ASC 470-10-25 - Sales of Future Revenues or Various Other Measures of Income ("ASC 470"), which relates to cash received from an investor in exchange for a specified percentage or amount of revenue or other measure of income of a particular product line, business segment, trademark, patent, or contractual right for a defined period. Under this guidance, we recognized the fair value of our contingent obligation to CPPIB Credit, as of the acquisition date, as long-term debt in our condensed consolidated balance sheet. This initial fair value measurement was based on the perspective of a market participant and included significant unobservable inputs which are classified as Level 3 inputs within the fair value hierarchy. The fair value of the long-term debt as of June 30, 2023 and December 31, 2022 is disclosed within Note 6, "Cash, Concentration of Credit Risk and Fair Value of Financial Instruments." Our repayment obligations are contingent upon future royalty revenues generated from the Madison Arrangement and there are no minimum or maximum payments under the arrangement.

Under ASC 470, amounts recorded as debt are amortized under the interest method. At each reporting period, we will review the discounted expected future cash flows over the life of the obligation. The Company made an accounting policy election to utilize the catch-up method when there is a change in the estimated future cash flows, whereby we will adjust the carrying amount of the debt to the present value of the revised estimated future cash flows, discounted at the original effective interest rate, with a corresponding adjustment recognized as interest expense within “Interest Expense” in the condensed consolidated statements of income. The effective interest rate as of the acquisition date was approximately 14.5%. This rate represents the discount rate that equates the estimated future cash flows with the fair value of the debt as of the acquisition date and is used to compute the amount of interest to be recognized each period based on the estimated life of the future revenue streams. During the three and six months ended June 30, 2023, we recognized $1.0 million and $1.3 million, respectively, of interest expense related to this debt, compared to $1.0 million and $1.9 million during the three and six months ended June 30, 2022, respectively. This was included within “Interest Expense” in the condensed consolidated statements of income. Any future payments made to CPPIB Credit, or additional proceeds received from CPPIB Credit, will decrease or increase the long-term debt balance accordingly.

Technicolor Contingent Consideration

As part of the Technicolor Patent Acquisition, we entered into a revenue-sharing arrangement with Technicolor that created a contingent consideration liability. Under the revenue-sharing arrangement, Technicolor receives 42.5% of future cash receipts from new licensing efforts from the Madison Arrangement only, subject to certain conditions and hurdles. As of June 30, 2023, the contingent consideration liability from the revenue-sharing arrangement was deemed not probable and is therefore not reflected within the consolidated financial statements.

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Variable Interest Entities

6 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

VARIABLE INTEREST ENTITIES

VARIABLE INTEREST ENTITIES

As further discussed below, we are the primary beneficiary of one variable interest entity. As of June 30, 2023, the book value of the assets and liabilities associated with this variable interest entity included in our condensed consolidated balance sheet were $12.9 million and $0.6 million, respectively. Assets included $4.0 million of cash and cash equivalents, $0.1 million of prepaid and other current assets, and $8.8 million of patents, net. As of December 31, 2022, the book value of the assets and liabilities associated with this variable interest entity included in our condensed consolidated balance sheet were $17.5 million and $1.8 million, respectively. Assets included $4.4 million of cash and cash equivalents, $4.0 million of accounts receivable and prepaid and other current assets, and $9.1 million of patents, net.

Convida Wireless

Convida Wireless was launched in 2013 and most recently renewed in 2021 to combine Sony's consumer electronics expertise with our pioneering IoT expertise to drive IoT communications and connectivity. Based on the terms of the agreement, the parties will contribute funding and resources for additional research and platform development, which we will perform.

Convida Wireless is a variable interest entity. Based on our provision of research and platform development services to Convida Wireless, we have determined that we remain the primary beneficiary for accounting purposes and will continue to consolidate Convida Wireless. For the three and six months ended June 30, 2023, we allocated approximately $0.5 million and $2.2 million, respectively, of Convida Wireless's net loss to noncontrolling interests held by other parties and for the three and six months ended June 30, 2022, we allocated approximately $0.5 million and $0.8 million, respectively.

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Other Income (Expense), Net

6 Months Ended

Jun. 30, 2023

Other Income and Expenses [Abstract]

OTHER INCOME (EXPENSE), NET

OTHER INCOME (EXPENSE), NET

The amounts included in "Other income (expense), net" in the condensed consolidated statements of income for the three and six months ended June 30, 2023 and 2022 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Interest and investment income	$	10,254	$	297	$	21,934	$	506
Loss on extinguishment of long-term debt	—		(11,190)		—		(11,190)
Other	4,133		(4,123)		5,644		(5,337)
Other income (expense), net	$	14,387	$	(15,016)	$	27,578	$	(16,021)

The changes in Other income (expense), net for the three and six months ended June 30, 2023 and 2022 were $29.4 million and $43.6 million, respectively. The changes between both the three and six months ended June 30, 2023 and 2022 were primarily due to the $11.2 million loss on extinguishment of the 2024 Notes in second quarter 2022, as described further in Note 7, "Obligations", and an increase in interest and investment income primarily due to increased short-term investments made by the Company and market conditions driving higher yields on our short-term investments.

The changes in Other was primarily due to foreign currency translation arising from euro translation of our foreign subsidiaries and fair value adjustments of our investments

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Other Assets and Liabilities

6 Months Ended

Jun. 30, 2023

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

OTHER ASSETS AND LIABILITIES

OTHER ASSETS AND LIABILITIES

The amounts included in "Prepaid and other current assets" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Tax receivables	$	79,801	$	64,117
Restricted cash	13,273		9,682
Prepaid assets	10,386		9,044
Patents held for sale	—		4,000
Other current assets	11,170		2,873
Total Prepaid and other current assets	$	114,630	$	89,716

The amounts included in "Other non-current assets, net" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Contract asset	$	39,147	$	2,544
Tax receivables	24,320		29,370
Goodwill	22,421		22,421
Long-term investments	19,579		19,593
Right-of-use assets	16,914		18,034
Other non-current assets	2,700		3,758
Total Other non-current assets, net	$	125,081	$	95,720

The amounts included in "Other accrued expenses" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Customer deposit	$	76,100	$	—
Accrued legal fees	22,248		12,230
Other accrued expenses	9,977		11,276
Total Other accrued expenses	$	108,325	$	23,506

The amounts included in "Other long-term liabilities" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Operating lease liabilities	$	18,792	$	19,923
Deferred compensation liabilities	17,352		14,078
Other long-term liabilities	20,676		19,599
Total Other long-term liabilities	$	56,820	$	53,600

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Restructuring Activities

6 Months Ended

Jun. 30, 2023

Restructuring and Related Activities [Abstract]

RESTRUCTURING ACTIVITIES

RESTRUCTURING ACTIVITIES

During second quarter 2021, the Company undertook certain actions in order to increase focus on core technologies and markets.

On June 10, 2021, the Company announced that, as a result of a strategic review of its research and innovation priorities, it commenced the process of a collective economic layoff in which it proposed a reduction in force of its research and innovation unit. All notices of termination have been issued to the impacted employees.

During 2021, Chordant ceased operations. The Company implemented a reduction in workforce action in second quarter 2021.

Additionally, in June 2021, a non-controlled subsidiary that we consolidate for financial statement purposes approved a plan to sell certain patents. The proceeds from the sale of these patents contributed to funding the non-controlled subsidiary's operations.

In October 2021, we expanded our restructuring efforts to include general and administrative functions largely centered in the U.S., which resulted in a further reduction in force as well as cuts to our non-labor expenses. These employees were provided notification of termination during fourth quarter 2021.

The Company does not anticipate further restructuring costs at this time, however these charges are estimated based on information available at the time such charges are recorded. Due to the inherent uncertainty involved in estimating restructuring expenses, actual amounts incurred for such activities may differ from amounts initially estimated.

As of June 30, 2023 and December 31, 2022, the Company's restructuring liability was $1.2 million and $4.5 million, respectively, and is included in "Other accrued expenses" on our condensed consolidated balance sheet. The following table presents the change in our restructuring liability during the period (in thousands):

Balance as of December 31, 2022	$	4,495
Cash payments	(1,487)
Other	52
Balance as of March 31, 2023	3,060
Cash payments	(1,903)
Other	2
Balance as of June 30, 2023	$	1,159

The restructuring expenses included in "Restructuring activities" in the condensed consolidated statements of income for the three and six months ended June 30, 2023 and 2022 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Asset impairment	$	—	$	2,427	$	—	$	2,427
Severance and other benefits	—		(221)		—		305
Outside services and other associated costs	—		532		—		548
Total	$	—	$	2,738	$	—	$	3,280

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Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Pay vs Performance Disclosure
Net income attributable to InterDigital, Inc.	$ 21,783	$ 105,259	$ 21,069	$ 17,994	$ 127,042	$ 39,063

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Insider Trading Arrangements

3 Months Ended

Jun. 30, 2023

shares

Trading Arrangements, by Individual

Material Terms of Trading Arrangement

During second quarter 2023, the following Section 16 officers adopted, modified or terminated “Rule 10b5-1 trading arrangements” (as defined in Item 408 of Regulation S-K of the Exchange Act):

	Action	Date	Trading Arrangement		Maximum Shares to be Sold*	Expiration Date
			Rule 10b5-1	Non-Rule 10b5-1
Rajesh Pankaj	Adopt	May 12, 2023	X		5,850	May 31, 2024
Joshua Schmidt	Adopt	May 24, 2023	X		2,954	May 24, 2024
Eeva Hakoranta	Adopt	June 20, 2023	X		8,168	April 12, 2024

* With respect to grants that have not yet vested, assumes shares withheld for tax purposes consistent with the individual’s tax rate. With respect to milestone awards, assumes no milestones are achieved prior to the expiration of the trading plan.

Eeva Hakoranta [Member]

Trading Arrangements, by Individual

Name

Eeva Hakoranta

Rule 10b5-1 Arrangement Adopted

true

Non-Rule 10b5-1 Arrangement Adopted

false

Arrangement Duration

297 days

Aggregate Available

8,168

Rajesh Pankaj [Member]

Trading Arrangements, by Individual

Name

Rajesh Pankaj

Rule 10b5-1 Arrangement Adopted

true

Non-Rule 10b5-1 Arrangement Adopted

false

Arrangement Duration

385 days

Aggregate Available

5,850

Joshua Schmidt [Member]

Trading Arrangements, by Individual

Name

Joshua Schmidt

Rule 10b5-1 Arrangement Adopted

true

Non-Rule 10b5-1 Arrangement Adopted

false

Arrangement Duration

366 days

Aggregate Available

2,954

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

The accompanying unaudited, condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and, accordingly, do not include all of the detailed schedules, information and notes necessary to state fairly the financial condition, results of operations and cash flows in conformity with United States generally accepted accounting principles (“GAAP”). The year-end condensed consolidated balance sheet data was derived from audited financial statements but does not include all disclosures required by GAAP for year-end financial statements. Therefore, these financial statements should be read in conjunction with the financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022 (our “2022 Form 10-K”) as filed with the Securities and Exchange Commission (“SEC”) on February 15, 2023. Definitions of capitalized terms not defined herein appear within our 2022 Form 10-K. The results of operations for interim periods are not necessarily indicative of the results to be expected for the entire year. We have one reportable segment.

Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates.

Reclassifications

Certain reclassifications have been made to prior year amounts to conform to the current year presentation.

During 2022, the Company made reclassifications between the operating expenses lines on the consolidated income statement in order to more clearly reflect the Company’s investments to create and protect the value of our innovations. The Company grouped research and portfolio related costs within the line "Research and portfolio development", previously referred to as "Development", which resulted in reclassifying certain portfolio related costs out of the "Licensing" line, previously referred to as "Patent administration and licensing", and into "Research and portfolio development." The impact of this reclassification was $28.1 million and $54.7 million for the three and six months ended June 30, 2022, respectively. Additionally, the previous "Selling, general, and administrative" line is now referred to as "General and administrative".

During 2022, we updated our disaggregated revenue disclosures to provide information to enable investors to better understand the composition of revenue from contracts with customers. As a result, variable patent royalty revenue and fixed-fee royalty revenue was combined and disaggregated into the Smartphone and CE, IoT/Auto groupings. Additionally, the Other category includes current technology solutions revenues and catch-up revenues is comprised of past patent royalties and revenues from static agreements. We believe this better reflects both our current revenue sources and our growth opportunities across these vertical markets.

New Accounting Guidance

No new accounting pronouncement issued or effective during first half of 2023 has or is expected to have a material impact on our condensed consolidated interim financial statements.

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Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of supplemental cash flow information

The following table presents additional supplemental cash flow information for the six months ended June 30, 2023 and 2022 (in thousands):

	Six months ended June 30,
SUPPLEMENTAL CASH FLOW INFORMATION:	2023		2022
Interest paid	$	9,312	$	3,938
Income taxes paid, including foreign withholding taxes	21,132		4,363
Non-cash investing and financing activities:
Dividend payable	9,273		10,380
Accrued debt issuance costs	—		1,233
Right-of-use assets obtained in exchange of operating lease liabilities	93		417
Non-cash acquisition of patents	—		30,100
Non-cash distribution of patents	—		1,928
Accrued capitalized patent costs and property and equipment purchases	729		3,634
Unsettled repurchase of common stock	1,998		—

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Revenue (Tables)

6 Months Ended

Jun. 30, 2023

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenue

The following table presents the disaggregation of our revenue for the three and six months ended June 30, 2023 and 2022 (in thousands):

	Three months ended June 30,
	2023		2022		Total Increase/(Decrease)
Recurring revenues:
Smartphone	$	85,075	$	87,484	$	(2,409)	(3)	%
CE, IoT/Auto	13,432		11,945		1,487		12	%
Other	566		672		(106)		(16)	%
Total recurring revenues	99,073		100,101		(1,028)		(1)	%
Catch-up revenues a	2,518		24,556		(22,038)		(90)	%
Total revenues	$	101,591	$	124,657	$	(23,066)	(19)	%

	Six months ended June 30,
	2023		2022		Total Increase/(Decrease)
Recurring revenues:
Smartphone	$	172,506	$	175,182	$	(2,676)	(2)	%
CE, IoT/Auto	27,518		23,135		4,383		19	%
Other	622		911		(289)		(32)	%
Total recurring revenues	200,646		199,228		1,418		1	%
Catch-up revenues a	103,318		26,747		76,571		286	%
Total revenues	$	303,964	$	225,975	$	77,989	35	%

(a)    Catch-up revenues are comprised of past patent royalties and revenues from static agreements.

Schedule of contracted revenue

Based on contracts signed and committed as of June 30, 2023, we expect to recognize the following revenue from dynamic fixed-fee royalty payments over the term of such contracts (in thousands):

	Revenue (a)
Remainder of 2023	$	178,651
2024	297,037
2025	284,283
2026	215,618
2027	213,257
2028 and Thereafter	472,696
Total Revenue	$	1,661,542

(a)    This table includes our estimated revenue related to Samsung and Lenovo.  In accordance with ASC 606, these estimates are limited to the amount of revenue we expect to recognize only to the extent it is probable that a subsequent change in the estimate would not result in a significant revenue reversal.

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Net Income Per Share (Tables)

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

Schedule of numerator and the denominator of the basic and diluted

The following tables reconcile the numerator and the denominator of the basic and diluted net income per share computation (in thousands, except for per share data):

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Net income applicable to InterDigital, Inc.	$	21,783	$	21,069	$	127,042	$	39,063
Weighted-average shares outstanding:
Basic	26,768		30,413		27,754		30,557
Dilutive effect of stock options, RSUs, convertible securities and warrants	887		297		740		435
Diluted	27,655		30,710		28,494		30,992
Earnings per share:
Basic	$	0.81	$	0.69	$	4.58	$	1.28
Dilutive effect of stock options, RSUs, convertible securities and warrants	(0.02)		—		(0.12)		(0.02)
Diluted	$	0.79	$	0.69	$	4.46	$	1.26

Schedule of excluded from our computation of EPS

Set forth below are the securities and the weighted average number of shares of common stock underlying such securities that were excluded from our computation of EPS for the periods presented (in thousands):

	Three months ended June 30,		Six months ended June 30,
	2023	2022	2023	2022
Restricted stock units and stock options	4	529	212	471
Warrants	7,488	5,880	7,488	5,400
Total	7,492	6,409	7,700	5,871

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Cash, Concentration of Credit Risk and Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of cash and cash equivalents

The following table provides a reconciliation of total cash, cash equivalents and restricted cash as of June 30, 2023, December 31, 2022 and June 30, 2022 to the captions within the condensed consolidated balance sheets and condensed consolidated statements of cash flows (in thousands):

	June 30, 2023		December 31, 2022		June 30, 2022
Cash and cash equivalents	$	277,599	$	693,479	$	833,533
Restricted cash included within prepaid and other current assets	13,273		9,682		10,578
Restricted cash included within other non-current assets	—		—		1,081
Total cash, cash equivalents and restricted cash	$	290,872	$	703,161	$	845,192

Schedule of restricted cash and cash equivalents

The following table provides a reconciliation of total cash, cash equivalents and restricted cash as of June 30, 2023, December 31, 2022 and June 30, 2022 to the captions within the condensed consolidated balance sheets and condensed consolidated statements of cash flows (in thousands):

	June 30, 2023		December 31, 2022		June 30, 2022
Cash and cash equivalents	$	277,599	$	693,479	$	833,533
Restricted cash included within prepaid and other current assets	13,273		9,682		10,578
Restricted cash included within other non-current assets	—		—		1,081
Total cash, cash equivalents and restricted cash	$	290,872	$	703,161	$	845,192

Schedule of fair value on a recurring basis

Our financial assets and liabilities that are accounted for at fair value on a recurring basis are presented in the tables below as of June 30, 2023 and December 31, 2022 (in thousands):

	Fair Value as of June 30, 2023
	Level 1		Level 2		Level 3		Total
Assets:
Money market and demand accounts (a)	$	260,578	$	—	$	—	$	260,578
Commercial paper (b)	—		209,796		—		209,796
U.S. government securities(c)	—		233,435		—		233,435
Corporate bonds, asset backed and other securities (d)	—		148,189		—		148,189
Total	$	260,578	$	591,420	$	—	$	851,998

	Fair Value as of December 31, 2022
	Level 1		Level 2		Level 3		Total
Assets:
Money market and demand accounts (a)	$	643,825	$	—	$	—	$	643,825
Commercial paper (b)	—		209,956		—		209,956
U.S. government securities(c)	—		243,840		—		243,840
Corporate bonds, asset backed and other securities (d)	—		113,838		—		113,838
Total	$	643,825	$	567,634	$	—	$	1,211,459

______________________________

(a)Primarily included within cash and cash equivalents.

(b)As of June 30, 2023 and December 31, 2022, $1.6 million and $26.7 million of commercial paper was included within cash and cash equivalents, respectively.

(c)As of June 30, 2023 and December 31, 2022, $17.2 million and $15.7 million of U.S. government securities was included within cash and cash equivalents, respectively.

(d)As of June 30, 2023 and December 31, 2022, $9.5 million and $16.9 million of corporate bonds, asset backed and other securities was included within cash and cash equivalents, respectively.

Schedule of aggregate fair value

The aggregate fair value of the principal amount of the Convertible Notes is a Level 2 fair value measurement.

	June 30, 2023						December 31, 2022
	Principal Amount		Carrying Value		Fair Value		Principal Amount		Carrying Value		Fair Value
2027 Senior Convertible Long-Term Debt	$	460,000	$	451,929	$	619,252	$	460,000	$	451,062	$	441,485
2024 Senior Convertible Long-Term Debt	$	126,174	$	125,628	$	154,096	$	126,174	$	125,342	$	119,941

The aggregate fair value of the Technicolor Patent Acquisition long-term debt is a Level 3 fair value measurement.

	June 30, 2023				December 31, 2022
	Carrying Value		Fair Value		Carrying Value		Fair Value
Technicolor Patent Acquisition Long-Term Debt	$	31,988	$	29,291	$	30,662	$	28,048

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Obligations (Tables)

6 Months Ended

Jun. 30, 2023

Debt Disclosure [Abstract]

Schedule of carrying value of the 2024 Notes and 2020 Notes

The following table reflects the carrying value of our Convertible Notes long-term debt as of June 30, 2023 and December 31, 2022 (in thousands):

	June 30, 2023		December 31, 2022
3.50% Senior Convertible Notes due 2027	$	460,000	$	460,000
2.00% Senior Convertible Notes due 2024	126,174		126,174
Less: Deferred financing costs	(8,617)		(9,770)
Net carrying amount of the Convertible Notes	577,557		576,404
Less: Current portion of long-term debt	(125,628)		—
Long-term net carrying amount of the Convertible Notes	$	451,929	$	576,404

Schedule of accretion of the debt discount, and the amortization of financing costs

The following table presents the amount of interest cost recognized, which is included within "Interest expense" in our condensed consolidated statements of income, for the three and six months ended June 30, 2023 and 2022 relating to the contractual interest coupon and the amortization of deferred financing costs of the Convertible Notes (in thousands):

	Three months ended June 30,
	2023						2022
	2027 Notes		2024 Notes		Total		2027 Notes		2024 Notes		Total
Contractual coupon interest	$	4,025	$	631	$	4,656	$	1,476	$	1,498	$	2,974
Amortization of deferred financing costs	436		144		580		142		318		460
Total	$	4,461	$	775	$	5,236	$	1,618	$	1,816	$	3,434

	Six months ended June 30,
	2023						2022
	2027 Notes		2024 Notes		Total		2027 Notes		2024 Notes		Total
Contractual coupon interest	$	8,050	$	1,262	$	9,312	$	1,476	$	3,498	$	4,974
Amortization of deferred financing costs	867		286		1,153		142		742		884
Total	$	8,917	$	1,548	$	10,465	$	1,618	$	4,240	$	5,858

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Other Income (Expense), Net (Tables)

6 Months Ended

Jun. 30, 2023

Other Income and Expenses [Abstract]

Schedule of other income (expense), net

The amounts included in "Other income (expense), net" in the condensed consolidated statements of income for the three and six months ended June 30, 2023 and 2022 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Interest and investment income	$	10,254	$	297	$	21,934	$	506
Loss on extinguishment of long-term debt	—		(11,190)		—		(11,190)
Other	4,133		(4,123)		5,644		(5,337)
Other income (expense), net	$	14,387	$	(15,016)	$	27,578	$	(16,021)

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Other Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2023

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of prepaid and other current assets

The amounts included in "Prepaid and other current assets" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Tax receivables	$	79,801	$	64,117
Restricted cash	13,273		9,682
Prepaid assets	10,386		9,044
Patents held for sale	—		4,000
Other current assets	11,170		2,873
Total Prepaid and other current assets	$	114,630	$	89,716

Schedule of other non-current assets

The amounts included in "Other non-current assets, net" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Contract asset	$	39,147	$	2,544
Tax receivables	24,320		29,370
Goodwill	22,421		22,421
Long-term investments	19,579		19,593
Right-of-use assets	16,914		18,034
Other non-current assets	2,700		3,758
Total Other non-current assets, net	$	125,081	$	95,720

Schedule of other accrued expenses

The amounts included in "Other accrued expenses" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Customer deposit	$	76,100	$	—
Accrued legal fees	22,248		12,230
Other accrued expenses	9,977		11,276
Total Other accrued expenses	$	108,325	$	23,506

Schedule of other long-term liabilities

The amounts included in "Other long-term liabilities" in the consolidated balance sheet as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

	June 30, 2023		December 31, 2022
Operating lease liabilities	$	18,792	$	19,923
Deferred compensation liabilities	17,352		14,078
Other long-term liabilities	20,676		19,599
Total Other long-term liabilities	$	56,820	$	53,600

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Restructuring Activities (Tables)

6 Months Ended

Jun. 30, 2023

Restructuring and Related Activities [Abstract]

Schedule of restructuring reserve by type of cost

The following table presents the change in our restructuring liability during the period (in thousands):

Balance as of December 31, 2022	$	4,495
Cash payments	(1,487)
Other	52
Balance as of March 31, 2023	3,060
Cash payments	(1,903)
Other	2
Balance as of June 30, 2023	$	1,159

The restructuring expenses included in "Restructuring activities" in the condensed consolidated statements of income for the three and six months ended June 30, 2023 and 2022 were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2023		2022		2023		2022
Asset impairment	$	—	$	2,427	$	—	$	2,427
Severance and other benefits	—		(221)		—		305
Outside services and other associated costs	—		532		—		548
Total	$	—	$	2,738	$	—	$	3,280

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Basis of Presentation - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) segment	Jun. 30, 2022 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reportable segments | segment			1
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Costs and Expenses	$ 78,215	$ 74,757	$ 161,327	$ 145,890
Revision of Prior Period, Reclassification, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Costs and Expenses		$ 28,100		$ 54,700

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Basis of Presentation - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2021	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid		$ 9,312	$ 3,938
Income taxes paid, including foreign withholding taxes		21,132	4,363
Non-cash investing and financing activities:
Dividends payable		9,273	10,380	$ 10,384
Accrued debt issuance costs		0	1,233
Right-of-use assets obtained in exchange of operating lease liabilities		93	417
Non-cash acquisition of patents	$ 30,100	0	30,100
Non-cash distribution of patents		0	1,928
Accrued capitalized patent costs and property and equipment purchases		729	3,634
Unsettled repurchase of common stock		$ 1,998	$ 0

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Revenue - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 101,591	$ 124,657	$ 303,964	$ 225,975
Increase/(decrease) in disaggregated revenue	$ (23,066)		$ 77,989
Percentage increase/(decrease) in disaggregated revenue	(19.00%)		35.00%
Total recurring revenues
Disaggregation of Revenue [Line Items]
Revenue	$ 99,073	100,101	$ 200,646	199,228
Increase/(decrease) in disaggregated revenue	$ (1,028)		$ 1,418
Percentage increase/(decrease) in disaggregated revenue	(1.00%)		1.00%
Smartphone
Disaggregation of Revenue [Line Items]
Revenue	$ 85,075	87,484	$ 172,506	175,182
Increase/(decrease) in disaggregated revenue	$ (2,409)		$ (2,676)
Percentage increase/(decrease) in disaggregated revenue	(3.00%)		(2.00%)
CE, IoT/Auto
Disaggregation of Revenue [Line Items]
Revenue	$ 13,432	11,945	$ 27,518	23,135
Increase/(decrease) in disaggregated revenue	$ 1,487		$ 4,383
Percentage increase/(decrease) in disaggregated revenue	12.00%		19.00%
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 566	672	$ 622	911
Increase/(decrease) in disaggregated revenue	$ (106)		$ (289)
Percentage increase/(decrease) in disaggregated revenue	(16.00%)		(32.00%)
Catch-up revenues
Disaggregation of Revenue [Line Items]
Revenue	$ 2,518	$ 24,556	$ 103,318	$ 26,747
Increase/(decrease) in disaggregated revenue	$ (22,038)		$ 76,571
Percentage increase/(decrease) in disaggregated revenue	(90.00%)		286.00%

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Revenue - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Revenue recognized that had been included in deferred revenue as of the beginning of the period	$ 102.4
Contract assets, current	35.1	$ 32.9
Contract assets, non-current	$ 39.1	$ 2.5

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Revenue - Remaining Performance Obligation (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 1,661,542
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 178,651
Revenue, remaining performance obligation, expected timing of satisfaction, period	6 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 297,037
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 284,283
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 215,618
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 213,257
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 472,696
Revenue, remaining performance obligation, expected timing of satisfaction, period

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Tax Contingency [Line Items]
Effective tax rate		14.50%	26.80%
Effective tax rate before valuation allowance is included (as percent)		13.00%	23.20%
Discrete tax benefit	$ 2,300	$ (1,200)
Income taxes paid, including foreign withholding taxes		21,132	$ 4,363
Foreign Country
Income Tax Contingency [Line Items]
Income taxes paid, including foreign withholding taxes		$ 6,000	$ 3,500

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Net Income Per Share - Numerator and Denominator of Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income applicable to InterDigital, Inc.	$ 21,783	$ 105,259	$ 21,069	$ 17,994	$ 127,042	$ 39,063
Weighted-average shares outstanding:
Weighted-average shares outstanding: basic (in shares)	26,768		30,413		27,754	30,557
Dilutive effect of stock options, RSUs, convertible securities and warrants (in shares)	887		297		740	435
Weighted-average shares outstanding: diluted (in shares)	27,655		30,710		28,494	30,992
Earnings per share:
Net income per common share: basic (in USD per share)	$ 0.81		$ 0.69		$ 4.58	$ 1.28
Dilutive effect of stock options, RSUs, convertible securities and warrants (in USD per share)	(0.02)		0		(0.12)	(0.02)
Net income per common share: diluted (in USD per share)	$ 0.79		$ 0.69		$ 4.46	$ 1.26

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Net Income Per Share - Antidilutive Securities Excluded from Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	7,492	6,409	7,700	5,871
Restricted stock units and stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	4	529	212	471
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	7,488	5,880	7,488	5,400

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Litigation and Legal Proceedings (Details) $ in Millions	Jun. 27, 2023 USD ($)	Mar. 16, 2023 USD ($)	Dec. 20, 2021 trial	Aug. 28, 2019 patent	Aug. 27, 2019 patent
Loss Contingencies [Line Items]
Amount awarded | $	$ 184.9	$ 138.7
Attorney fees | $	$ 46.2
U.K. Proceedings
Loss Contingencies [Line Items]
Number of patent infringements | patent					5
District Of Delaware Proceedings
Loss Contingencies [Line Items]
Number of patent infringements | patent				8
German Proceedings
Loss Contingencies [Line Items]
Number of patent infringements			3
German Proceedings, Munich
Loss Contingencies [Line Items]
Number of patent infringements			2
German Proceedings, Mannheim
Loss Contingencies [Line Items]
Number of patent infringements			1

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Cash, Concentration of Credit Risk and Fair Value of Financial Instruments - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Cash and cash equivalents	$ 277,599	$ 693,479	$ 833,533
Restricted cash	13,273	9,682	10,578
Restricted cash included within other non-current assets	0	0	1,081
Total cash, cash equivalents and restricted cash	$ 290,872	$ 703,161	$ 845,192	$ 713,224

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Cash, Concentration of Credit Risk and Fair Value of Financial Instruments - Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Assets:
Total	$ 851,998	$ 1,211,459
Amount of commercial paper included in cash and cash equivalents	277,599	693,479	$ 833,533
U.S. government securities(c)
Assets:
Securities	233,435	243,840
Corporate bonds, asset backed and other securities (d)
Assets:
Securities	148,189	113,838
Money market and demand accounts
Assets:
Cash and cash equivalents	260,578	643,825
Commercial Paper
Assets:
Cash and cash equivalents	209,796	209,956
Amount of commercial paper included in cash and cash equivalents	1,600	26,700
Corporate bonds, asset backed and other securities (d)
Assets:
Amount of commercial paper included in cash and cash equivalents	9,500	16,900
U.S. government securities(c)
Assets:
Amount of commercial paper included in cash and cash equivalents	17,200	15,700
Level 1
Assets:
Total	260,578	643,825
Level 1 | U.S. government securities(c)
Assets:
Securities	0	0
Level 1 | Corporate bonds, asset backed and other securities (d)
Assets:
Securities	0	0
Level 1 | Money market and demand accounts
Assets:
Cash and cash equivalents	260,578	643,825
Level 1 | Commercial Paper
Assets:
Cash and cash equivalents	0	0
Level 2
Assets:
Total	591,420	567,634
Level 2 | U.S. government securities(c)
Assets:
Securities	233,435	243,840
Level 2 | Corporate bonds, asset backed and other securities (d)
Assets:
Securities	148,189	113,838
Level 2 | Money market and demand accounts
Assets:
Cash and cash equivalents	0	0
Level 2 | Commercial Paper
Assets:
Cash and cash equivalents	209,796	209,956
Level 3
Assets:
Total	0	0
Level 3 | U.S. government securities(c)
Assets:
Securities	0	0
Level 3 | Corporate bonds, asset backed and other securities (d)
Assets:
Securities	0	0
Level 3 | Money market and demand accounts
Assets:
Cash and cash equivalents	0	0
Level 3 | Commercial Paper
Assets:
Cash and cash equivalents	$ 0	$ 0

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Cash, Concentration of Credit Risk and Fair Value of Financial Instruments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Concentration Risk [Line Items]
Non-cash acquisition of patents				$ 30,100	$ 0	$ 30,100
Gain from observable price changes in orderly transactions of a long-term strategic investment	$ 3,100		$ 1,600
Patents
Concentration Risk [Line Items]
Patent impairment charges		$ 2,500
Accounts Receivable | Licensee Concentration Risk | One Largest Licenses
Concentration Risk [Line Items]
Accounts receivable percentage					94.00%
Accounts Receivable | Licensee Concentration Risk | Five Largest Licensees
Concentration Risk [Line Items]
Accounts receivable percentage							76.00%

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Cash, Concentration of Credit Risk and Fair Value of Financial Instruments - Fair Value of Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Technicolor Patent Acquisition Long-Term Debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Carrying Value	$ 31,988	$ 30,662
Fair Value	29,291	28,048
2024 Senior Convertible Long-Term Debt | Convertible Notes 2027
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
2.00% Senior Convertible Notes due 2024	460,000	460,000
Carrying Value	451,929	451,062
Fair Value	619,252	441,485
2024 Senior Convertible Long-Term Debt | Convertible Notes 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
2.00% Senior Convertible Notes due 2024	126,174	126,174
Carrying Value	125,628	125,342
Fair Value	$ 154,096	$ 119,941

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Obligations - 2027 and 2024 Senior Convertible Notes, and Related Note Hedge and Warrant Transactions (Details) $ / shares in Units, shares in Millions	May 27, 2022 USD ($) $ / shares	Jun. 03, 2019 USD ($) $ / shares	Jun. 30, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	May 25, 2022 $ / shares shares	May 31, 2019 $ / shares shares
Debt Instrument [Line Items]
Number of securities (in shares) | shares						5.9	4.9
Exercise price (in USD per share) | $ / shares			$ 109.43			$ 106.37	$ 109.43
Convertible Notes 2027 | 2024 Senior Convertible Long-Term Debt
Debt Instrument [Line Items]
Principal Amount	$ 460,000,000
Interest rate (as a percent)	3.50%
Proceeds from debt	$ 450,000,000
Debt instrument convertible ratio	0.0129041
Conversion price (in USD per share) | $ / shares	$ 77.49
Anti-dilution adjustments (in shares) | shares						5.9
2.00% Senior Convertible Notes due 2024			$ 460,000,000	$ 460,000,000
Convertible Notes 2024
Debt Instrument [Line Items]
Repurchase amount					$ 273,800,000
Convertible Notes 2024 | 2024 Senior Convertible Long-Term Debt
Debt Instrument [Line Items]
Principal Amount		$ 400,000,000
Interest rate (as a percent)		2.00%
Proceeds from debt		$ 391,600,000
Debt instrument convertible ratio		0.0123018
Conversion price (in USD per share) | $ / shares		$ 81.29
Anti-dilution adjustments (in shares) | shares							4.9
2.00% Senior Convertible Notes due 2024			$ 126,174,000	$ 126,174,000
2024 Note Hedge Transaction | 2024 Senior Convertible Long-Term Debt
Debt Instrument [Line Items]
Anti-dilution adjustments (in shares) | shares			1.6
2024 Warrant Transactions | 2024 Senior Convertible Long-Term Debt
Debt Instrument [Line Items]
Anti-dilution adjustments (in shares) | shares			1.6

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Obligations - Carrying Value of 2027 Notes and 2024 Notes (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Less:
Current portion of long-term debt	$ (125,628)	$ 0
LONG-TERM DEBT	483,917	607,066
Convertible Debt
Less:
Deferred financing costs	(8,617)	(9,770)
Net carrying amount of the Convertible Notes	577,557	576,404
Current portion of long-term debt	(125,628)	0
LONG-TERM DEBT	$ 451,929	$ 576,404

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Obligations - Accretion of Debt Discount and Amortization of Financing Costs (Details) - 2024 Senior Convertible Long-Term Debt - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt Instrument [Line Items]
Contractual coupon interest	$ 4,656	$ 2,974
Amortization of deferred financing costs	580	460
Total	5,236	3,434
Convertible Notes 2027
Debt Instrument [Line Items]
Contractual coupon interest	4,025	1,476	$ 8,050	$ 1,476
Amortization of deferred financing costs	436	142	867	142
Total	4,461	1,618	8,917	1,618
Convertible Notes 2024
Debt Instrument [Line Items]
Contractual coupon interest	631	1,498	1,262	3,498
Amortization of deferred financing costs	144	318	286	742
Total	$ 775	$ 1,816	1,548	4,240
2024 Senior Convertible Long-Term Debt
Debt Instrument [Line Items]
Contractual coupon interest			9,312	4,974
Amortization of deferred financing costs			1,153	884
Total			$ 10,465	$ 5,858

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Obligations - Technicolor Patent Acquisition Long-Term Debt (Details) - Technicolor - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	May 31, 2019
Business Acquisition [Line Items]
Effective interest rate percentage	14.50%		14.50%
Interest debt expense	$ 1.0	$ 1.0	$ 1.3	$ 1.9
Receive future cash receipts percentage					42.50%

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Variable Interest Entities (Details) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Jun. 30, 2023 USD ($) entity	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Variable Interest Entity [Line Items]
Assets	$ 1,760,179				$ 1,760,179		$ 1,900,105
Liabilities	1,159,823				1,159,823		1,169,592
Cash and cash equivalents	277,599		$ 833,533		277,599	$ 833,533	693,479
Patents, net	336,990				336,990		353,999
Accounts receivable	236,794				236,794		53,182
Noncontrolling interests	(490)	$ (1,739)	$ (485)	$ (290)	$ (2,229)	$ (775)
Primary Beneficiary
Variable Interest Entity [Line Items]
Number of variable interest entities | entity					1
Assets	12,900				$ 12,900		17,500
Liabilities	600				600		1,800
Cash and cash equivalents	4,000				4,000		4,400
Accounts receivable and prepaid assets	100				100
Patents, net	$ 8,800				$ 8,800		9,100
Accounts receivable							$ 4,000

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Other Income (Expense), Net - Other Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Other Income and Expenses [Abstract]
Interest and investment income	$ 10,254	$ 297	$ 21,934	$ 506
Loss on extinguishment of long-term debt	0	(11,190)	0	(11,190)
Other	4,133	(4,123)	5,644	(5,337)
Other income (expense), net	$ 14,387	$ (15,016)	$ 27,578	$ (16,021)

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Other Income (Expense), Net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Other Income and Expenses [Abstract]
Change in interest and investment income	$ 29,400		$ 43,600
Loss on extinguishment of long-term debt	$ 0	$ (11,190)	$ 0	$ (11,190)

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Other Assets and Liabilities - Prepaid and Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Tax receivables	$ 79,801	$ 64,117
Restricted cash	13,273	9,682	$ 10,578
Prepaid assets	10,386	9,044
Patents held for sale	0	4,000
Other current assets	11,170	2,873
Total Prepaid and other current assets	$ 114,630	$ 89,716

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Other Assets and Liabilities - Other Non-Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Contract asset	$ 39,147	$ 2,544
Tax receivables	24,320	29,370
Goodwill	22,421	22,421
Long-term investments	19,579	19,593
Right-of-use assets	16,914	18,034
Other non-current assets	2,700	3,758
Total Other non-current assets, net	$ 125,081	$ 95,720

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Other Assets and Liabilities - Other accrued expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Customer deposit	$ 76,100	$ 0
Accrued legal fees	22,248	12,230
Other accrued expenses	9,977	11,276
Other accrued expenses	$ 108,325	$ 23,506

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Other Assets and Liabilities - Other long-term liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Operating lease liabilities	$ 18,792	$ 19,923
Deferred compensation liabilities	17,352	14,078
Other long-term liabilities	20,676	19,599
OTHER LONG-TERM LIABILITIES	$ 56,820	$ 53,600

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Restructuring Activities - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Restructuring and Related Activities [Abstract]
Restructuring reserve	$ 1,159	$ 3,060	$ 4,495

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Restructuring Activities - Restructuring Activity Included in Other Accrued Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2023	Mar. 31, 2023
Restructuring Reserve [Roll Forward]
Beginning balance	$ 3,060	$ 4,495
Cash payments	(1,903)	(1,487)
Other	2	52
Ending balance	$ 1,159	$ 3,060

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Restructuring Activities - Restructuring Activity Included in Operating Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Restructuring and Related Activities [Abstract]
Asset impairment	$ 0	$ 2,427	$ 0	$ 2,427
Severance and other benefits	0	(221)	0	305
Outside services and other associated costs	0	532	0	548
Total	$ 0	$ 2,738	$ 0	$ 3,280