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* ROBERTS MARTIN E (Last) (First) (Middle) 1 MARKET PLAZA, STEUART TOWER, SUITE 800 (Street) SAN FRANCISCO CA 94105 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 10/25/2012	3. Issuer Name and Ticker or Trading Symbol RPX Corp [ RPXC ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) VP, Gen. Counsel & Secretary	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person 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)
Common Stock	980	D

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
Employee Stock Option (right to buy)	10/11/2011(1)	10/20/2020	Common Stock	153,471	4.96	D
Employee Stock Option (right to buy)	02/24/2012	01/23/2022	Common Stock	25,000	15.98	D
Restricted Stock Units	05/20/2012	(2)	Common Stock	10,938	0.0	D

Explanation of Responses:

1. The option was originally granted for 263,092 shares, 109,621 of which have been exercised. The vesting schedule of the option is as follows: 1/4th of the shares subject to the option vest on October 11, 2011, and 1/48th of the shares subject to the option vest when the Reporting Person completes each month of continuous service thereafter.

2. This award was originally for 25,000 restricted stock units, 1,562 of which have vested and been released. The vesting schedule of this award is as follows: 6.25% of the stock units subject to the award vested on May 20, 2012, and 6.25% of the shares subject to the award are to vest in equal quarterly installments thereafter, provided that the Reporting Person remains in continuous service through each vest date. The quarterly vest dates are February 20, May 20, August 20 and November 20.

Remarks:

	Martin E. Roberts	11/01/2012
	** 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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