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)

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)

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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POWER OF ATTORNEY
Know all by these presents, that the undersigned hereby constitutes and appoints
each of Martin Roberts, Adam Spiegel and Jon M. Novotny, or any of them
signing singly, and with full power of substitution, the undersigned's true and
lawful attorney-in-fact to:
(1) execute for and on behalf of the undersigned, in the undersigned's capacity 
as a 10% stockholder of RPX Corporation (the "Company"), Forms 3, 4, and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934 and the
rules thereunder, solely in connection with the Company's initial public
offering;
(2) seek or obtain information on transactions in the Company's securities
from any third party, including brokers, employee benefit plan administrators,
employee benefit plan administrators and trustees, and the undersigned hereby
authorizes any such person to release any such information to the
attorney-in-fact and approves and ratifies any such release of information;
(3) do and perform any and all acts for and on behalf of the undersigned which 
may be necessary or desirable to complete and execute any such Form 3, 4, or 5, 
complete and execute any amendment or amendments thereto, and timely file such 
form with the SEC and any stock exchange or similar authority;
(4) take any other action of any type whatsoever in connection with the 
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being 
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall 
contain such terms and conditions as such attorney-in-fact may approve in such 
attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full power and 
authority to do and perform any and every act and thing whatsoever requisite, 
necessary, or proper to be done in the exercise of any of the rights and powers 
herein granted, as fully to all intents and purposes as the undersigned might or 
could do if personally present, with full power of substitution or revocation, 
hereby ratifying and confirming all that such attorney-in-fact, or such 
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be 
done by virtue of this power of attorney and the rights and powers herein granted.
The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in 
such capacity at the request of the undersigned, are not assuming, nor is the 
Company assuming, any of the undersigned's responsibilities to comply with 
Section 16 of the Securities Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect until the undersigned 
is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's 
holdings of and transactions in securities issued by the Company, unless earlier 
revoked by the undersigned in a signed writing delivered to the foregoing 
attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be 
executed as of this 28 day of April, 2011.
                
Kleiner Perkins Caufield & Byers XIII, LLC
/s/ Susan Biglieri
By: Susan Biglieri
Its: CFO

POWER OF ATTORNEY
Know all by these presents, that the undersigned hereby constitutes and appoints
each of Martin Roberts, Adam Spiegel and Jon M. Novotny, or any of them
signing singly, and with full power of substitution, the undersigned's true and
lawful attorney-in-fact to:
(1) execute for and on behalf of the undersigned, in the undersigned's capacity 
as a 10% stockholder of RPX Corporation (the "Company"), Forms 3, 4, and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934 and the
rules thereunder, solely in connection with the Company's initial public
offering;
(2) seek or obtain information on transactions in the Company's securities
from any third party, including brokers, employee benefit plan administrators,
employee benefit plan administrators and trustees, and the undersigned hereby
authorizes any such person to release any such information to the
attorney-in-fact and approves and ratifies any such release of information;
(3) do and perform any and all acts for and on behalf of the undersigned which 
may be necessary or desirable to complete and execute any such Form 3, 4, or 5, 
complete and execute any amendment or amendments thereto, and timely file such 
form with the SEC and any stock exchange or similar authority;
(4) take any other action of any type whatsoever in connection with the 
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being 
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall 
contain such terms and conditions as such attorney-in-fact may approve in such 
attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full power and 
authority to do and perform any and every act and thing whatsoever requisite, 
necessary, or proper to be done in the exercise of any of the rights and powers 
herein granted, as fully to all intents and purposes as the undersigned might or 
could do if personally present, with full power of substitution or revocation, 
hereby ratifying and confirming all that such attorney-in-fact, or such 
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be 
done by virtue of this power of attorney and the rights and powers herein granted.
The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in 
such capacity at the request of the undersigned, are not assuming, nor is the 
Company assuming, any of the undersigned's responsibilities to comply with 
Section 16 of the Securities Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect until the undersigned 
is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's 
holdings of and transactions in securities issued by the Company, unless earlier 
revoked by the undersigned in a signed writing delivered to the foregoing 
attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be 
executed as of this 3rd day of May, 2011.
                
KPCB XIII Associates, LLC
/s/ Susan Biglieri
By: Susan Biglieri
Its: CFO