UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 10-Q/A

(Amendment No. 1)

(Mark One)

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

For the quarterly period ended June 30, 2010

OR

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

Commission File Number: 000-50460

TESSERA TECHNOLOGIES, INC.

(Exact Name of Registrant as Specified in Its Charter)

Delaware	16-1620029
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)
3025 Orchard Parkway, San Jose, California	95134
(Address of Principal Executive Offices)	(Zip Code)

(408) 321-6000

(Registrant’s Telephone Number, Including Area Code)

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  x    No  ¨

Indicate by checkmark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter time period that the registrant was required to submit and post such files).    Yes  x    No  ¨

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

Large accelerated filer   x    Accelerated filer  ¨    Non-accelerated filer  ¨    Smaller reporting company  ¨

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

As of July 27, 2010, 50,238,054 shares of the registrant’s common stock were outstanding.

EXPLANATORY NOTE

The sole purpose of this Amendment No. 1 on Form 10-Q/A to Tessera Technologies, Inc.’s Quarterly Report on Form 10-Q for the period ended June 30, 2010, filed with the Securities and Exchange Commission on August 4, 2010 (the “Form 10-Q”), is to furnish Exhibit 101 to the Form 10-Q in accordance with Rule 405 of Regulation S-T.

Exhibit 101 consists of the following interactive data files formatted in eXtensible Business Reporting Language (“XBRL”):

101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema
101.CAL	XBRL Taxonomy Extension Calculation Linkbase
101.DEF	XBRL Taxomony Extension Definition Linkbase
101.LAB	XBRL Taxonomy Extension Label Linkbase
101.PRE	XBRL Taxonomy Extension Presentation Linkbase

No other changes have been made to the Form 10-Q. This Amendment No. 1 to the Form 10-Q speaks as of the original filing date of the Form 10-Q, does not reflect events that may have occurred subsequent to the original filing date, and does not modify or update in any way disclosures made in the Form 10-Q.

Pursuant to Rule 406T of Regulation S-T, the interactive data files on Exhibit 101 hereto are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933, as amended, are deemed not filed for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended, and otherwise are not subject to liability under those sections.

Item 6. Exhibits

Exhibit Number	Exhibit Title
3.1*	Restated Certificate of Incorporation (filed as an exhibit to registrant’s Registration Statement on Form S-1 (SEC File No. 333-108518), effective November 12, 2003, and incorporated herein by reference)
3.2*	Amended and Restated Bylaws, as amended on May 12, 2010 (filed as Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed on May 13, 2010 (SEC File No. 000-50460), and incorporated herein by reference)
31.1*	Certification of the Chief Executive Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
31.2*	Certification of the Chief Financial Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
32.1*	Certification of the Chief Executive Officer and Chief Financial Officer pursuant to Rule 13a-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxomony Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

* Previously filed or furnished with our Form 10-Q on August 4, 2010

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.

Dated: September 1, 2010

Tessera Technologies, Inc.
By:	/s/    Michael Anthofer
	Michael Anthofer
	Executive Vice President and Chief Financial Officer

EXHIBIT INDEX

Exhibit Number	Exhibit Title
3.1*	Restated Certificate of Incorporation (filed as an exhibit to registrant’s Registration Statement on Form S-1 (SEC File No. 333-108518), effective November 12, 2003, and incorporated herein by reference)
3.2*	Amended and Restated Bylaws, as amended on May 12, 2010 (filed as Exhibit 3.1 to the Registrant’s Current Report on Form 8-K , filed on May 13, 2010 (SEC File No. 000-50460), and incorporated herein by reference)
31.1*	Certification of the Chief Executive Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
31.2*	Certification of the Chief Financial Officer pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934
32.1*	Certification of the Chief Executive Officer and Chief Financial Officer pursuant to Rule 13a-14(b) of the Securities Exchange Act of 1934 and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxomony Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

* Previously filed or furnished with our Form 10-Q on August 4, 2010