SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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. Issuer Name and Ticker or Trading Symbol RPX Corp [ RPXC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) SVP, Gen. Counsel & Secretary
	3. Date of Earliest Transaction (Month/Day/Year) 08/20/2013
	4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/20/2013		M		17,969	A	$0	25,719	D
Common Stock	08/21/2013		S		6,547	D	$15.8467(1)	19,172	D
Common Stock	08/21/2013		S(2)		2,877	D	$15.9705(3)	16,295	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	$0.0(4)	08/20/2013		M			781	05/20/2012(5)	(5)	Common Stock	781	$0	7,813	D
Restricted Stock Units	$0.0(4)	08/20/2013		M			4,688	05/20/2013(6)	(6)	Common Stock	4,688	$0	65,625	D
Restricted Stock Units	$0.0(4)	08/20/2013		M			12,500	05/20/2013(7)	(7)	Common Stock	12,500	$0	25,000	D

Explanation of Responses:

1. The price reported in column 4 is the weighted average price. The shares were sold in multiple transactions ranging from $15.82 to $15.88, inclusive. The reporting person hereby undertakes to provide to the SEC staff, the Issuer or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) and (3) to this Form 4.

2. The transaction reported was effected pursuant to a 10b5-1 trading plan adopted by reporting person on February 28, 2013.

3. The price reported in column 4 is the weighted average price. The shares were sold in multiple transactions ranging from $15.82 to $16.1438, inclusive.

4. Each restricted stock unit represents a contingent right to receive one share of Issuer's common stock.

5. 6.25% of the 12,500 stock units subject to the award will vest on this date and 6.25% of the shares subject to the award will vest in equal quarterly installments thereafter, provided that Reporting Person remains in continuous service through each vest date. The quarterly vest dates are February 20, May 20, August 20 and November 20.

6. 6.25% of the 75,000 stock units subject to the award will vest on this date and 6.25% of the shares subject to the award will vest in equal quarterly installments thereafter, provided that Reporting Person remains in continuous service through each vest date. The quarterly vest dates are February 20, May 20, August 20 and November 20.

7. 25% of the 50,000 stock units subject to the award will vest on this date and 25% of the shares subject to the award will vest in equal quarterly installments thereafter, provided that 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	08/21/2013
	** 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 4 (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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