SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* KLEINER PERKINS CAUFIELD & BYERS XIII, LLC (Last) (First) (Middle) C/O KLEINER PERKINS CAUFIELD & BYERS 2750 SAND HILL ROAD (Street) MENLO PARK 94025 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 05/03/2011	3. Issuer Name and Ticker or Trading Symbol RPX Corp [ RPXC ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A Preferred Stock	(1)	(1)	Common Stock	3,215,862	$0	D(2)
Series A-1 Preferred Stock	(1)	(1)	Common Stock	3,232,807	$0	D(2)
Series B Preferred Stock	(1)	(1)	Common Stock	1,467,915	$0	D(2)
Series C Preferred Stock	(1)	(1)	Common Stock	101,891	$0	D(2)

1. Name and Address of Reporting Person* KLEINER PERKINS CAUFIELD & BYERS XIII, LLC (Last) (First) (Middle) C/O KLEINER PERKINS CAUFIELD & BYERS 2750 SAND HILL ROAD (Street) MENLO PARK 94025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* KPCB XIII Associates, LLC (Last) (First) (Middle) C/O KLEINER PERKINS CAUFIELD & BYERS 2750 SAND HILL ROAD (Street) MENLO PARK CA 94025 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Upon the Issuer's sale of its Common Stock in its initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock and Series C Preferred Stock will automatically be converted into one share of Common Stock. The Series A Preferred Stock, Series A-1 Preferred Stock, Series B Preferred Stock and Series C Preferred Stock have no expiration date.

2. The shares are directly held by Kleiner Perkins Caufield & Byers XIII, LLC. The managing member of Kleiner Perkins Caufield & Byers XIII, LLC is KPCB XIII Associates, LLC. The voting and dispositive control over these shares is shared by individual managing directors of KPCB XIII Associates, LLC, none of whom has veto power. Excludes 579,504 shares in the aggregate beneficially owned by individuals and entities affiliated with Kleiner Perkins Caufield & Byers XIII, LLC and held for convenience in the name of "KPCB Holdings, Inc. as nominee," for the accounts of such individuals and entities each of whom exercise their own voting and dispositive control over such shares.

	/s/ Martin Roberts as Attorney-In-Fact for Kleiner Perkins Caufield & Byers XIII, LLC	05/03/2011
	/s/ Martin Roberts as Attorney-In-Fact for KPCB XIII Associates, LLC	05/03/2011
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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