Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Index Ventures Growth I (Jersey) L.P.
  2. Issuer Name and Ticker or Trading Symbol
RPX Corp [RPXC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
NO. 1 SEATON PLACE
3. Date of Earliest Transaction (Month/Day/Year)
05/23/2012
(Street)

ST. HELIER, CHANNEL ISLANDS Y9 JE48YJ
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 05/23/2012   S   8,764 D $ 12.78 (3) 126,611 D (1)  
Common Stock 05/23/2012   S   11,236 D $ 12.78 (3) 162,300 D (2)  
Common Stock               3,315,313 D (4)  
Common Stock               16,577 D (5)  
Common Stock               1,562,042 D (6)  
Common Stock               7,810 D (7)  
Common Stock               41,379 D (8)  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Index Ventures Growth I (Jersey) L.P.
NO. 1 SEATON PLACE
ST. HELIER, CHANNEL ISLANDS Y9 JE48YJ
    X    
Index Ventures IV (Jersey) LP
NO. 1 SEATON PLACE
ST. HELIER, CHANNEL ISLANDS Y9 JE48YJ
    X    
Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P.
NO. 1 SEATON PLACE
ST. HELIER, CHANNEL ISLANDS Y9 JE48YJ
    X    
Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP
NO. 1 SEATON PLACE
ST. HELIER, CHANNEL ISLANDS Y9 JE48YJ
    X    
Yucca Partners L.P. Jersey Branch
THE OGIER HOUSE, THE ESPLANADE
ST. HELIER, CHANNEL ISLANDS Y9 JE49WG
    X    

Signatures

 /s/ Kerith Fried, as Attorney-in-Fact for Index Ventures Growth I (Jersey) L.P.   05/30/2012
**Signature of Reporting Person Date

 /s/ Kerith Fried, as Attorney-in-Fact for Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P.   05/30/2012
**Signature of Reporting Person Date

 /s/ Kerith Fried, as Attorney-in-Fact for Index Ventures IV (Jersey) L.P.   05/30/2012
**Signature of Reporting Person Date

 /s/ Kerith Fried, as Attorney-in-Fact for Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P.   05/30/2012
**Signature of Reporting Person Date

 /s/ Kerith Fried, as Attorney-in-Fact for Yucca Partners L.P. Jersey Branch   05/30/2012
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The shares are held by Index Ventures Growth I Parallel Entrepreneur Fund (Jersey), L.P. Index Venture Growth Associates I Limited is the general partner of Index Ventures Growth I Parallel Entrepreneur Fund (Jersey), L.P. David G. Gardner, Nigel T. Greenwood, David Hall, Ian J. Henderson, Phil Balderson and David Rimer are directors of Index Venture Growth Associates I Limited. Messrs. Gardner, Greenwood, Hall, Henderson, Balderson and Rimer share voting and dispositive power with respect to the shares. Each of these persons disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.
(2) The shares are held by Index Ventures IV Parallel Entrepreneur Fund (Jersey), L.P. Index Venture Associates IV Limited is the general partner of Index Ventures IV Parallel Entrepreneur Fund (Jersey), L.P. Paul Willing, Jane Pearce, David Hall, David Rimer and Phil Balderson are directors of Index Venture Associates IV Limited. Messrs. Willing, Hall, Rimer, balderson and Mrs. Pearce share voting and dispositive power with respect to the shares. Each of these persons disclaims beneficial ownership of the shares except to the extent of his or her pecuniary interest therein.
(3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.77 to $12.80. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(4) The shares are held by Index Ventures Growth I (Jersey), L.P. Index Venture Growth Associates I Limited is the general partner of Index Ventures Growth I (Jersey), L.P. David G. Gardner, Nigel T. Greenwood, David Hall, Ian J. Henderson, Phil Balderson and David Rimer are directors of Index Venture Growth Associates I Limited. Messrs. Gardner, Greenwood, Hall, Henderson, Balderson and Rimer share voting and dispositive power with respect to the shares. Each of these persons disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.
(5) The shares are held by Index Venture Growth Associates I (IGP) Limited. Nigel T. Greenwood, Ian J. Henderson and David Rimer are the directors of Index Venture Growth Associates I (IGP) Limited. Messrs. Greenwood, Henderson and Rimer share voting and dispositive power with respect to the shares. Each of these persons disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.
(6) The shares are held by Index Ventures IV (Jersey), L.P. Index Venture Associates IV Limited is the general partner of Index Ventures IV (Jersey), L.P. Paul Willing, Jane Pearce, David Hall, David Rimer and Phil Balderson are directors of Index Venture Associates IV Limited. Messrs. Willing, Hall, Rimer, Balderson and Mrs. Pearce share voting and dispositive power with respect to the shares. Each of these persons disclaims beneficial ownership of the shares except to the extent of his or her pecuniary interest therein.
(7) The shares are held by Index Venture Associates IV (IGP) Limited. Jane Pearce, David Rimer and Paul Willing are the directors of Index Venture Associates IV (IGP) Limited. Messrs. Rimer, Willing and Mrs. Pearce share voting and dispositive power with respect to the shares. Each of these persons disclaims beneficial ownership of the shares except to the extent of his or her pecuniary interest therein.
(8) The shares are held by Yucca Partners LP Jersey Branch. The managing general partner of Yucca Partners LP Jersey Branch is EFG Fund Administration Limited. EFG Fund Administration Limited is the administrator of the Index Ventures Growth I limited partnerships. Messrs. David G. Gardner, Nigel T. Greenwood, and Ian J. Henderson are directors of EFG Fund Administration Limited and share voting and dispositive power with respect to the shares held by Yucca Partners LP Jersey Branch. Each of these persons disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

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