Sec Form 4 Filing - Index Ventures Growth I (Jersey) L.P. @ RPX Corp - 2012-02-28

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 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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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) C/O INDEX VENTURES, 1 SEATON PLACE 3. Date of Earliest Transaction (MM/DD/YY) 02/28/2012 (Street) ST. HELIER, Y9JE4 8YJ 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 02/28/2012 S 38,554 D $ 17.754 154,218 D ( 1 ) Common Stock 02/28/2012 S 49,423 D $ 17.754 197,693 D ( 2 ) Common Stock 02/28/2012 J( 3 ) 1,088,523 D $ 0 4,436,990 D ( 4 ) Common Stock 02/28/2012 J( 5 ) 16,577 D $ 0 4,420,413 D ( 4 ) Common Stock 02/28/2012 J( 12 ) 16,577 A $ 0 16,577 D ( 10 ) Common Stock 02/28/2012 J( 6 ) 512,872 D $ 0 2,090,534 D ( 7 ) Common Stock 02/28/2012 J( 8 ) 7,810 D $ 0 2,082,724 D ( 7 ) Common Stock 02/28/2012 J( 13 ) 7,810 A $ 0 7,810 D ( 11 ) Common Stock 02/29/2012 S 10,345 D $ 17.5 41,379 D ( 9 ) Common Stock 02/29/2012 S 16,577 D $ 17.5 0 D ( 10 ) Common Stock 02/29/2012 S 7,810 D $ 17.5 0 D ( 11 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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. C/O INDEX VENTURES 1 SEATON PLACE ST. HELIER, Y9JE4 8YJ X Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. C/O INDEX VENTURES 1 SEATON PLACE ST. HELIER, Y9JE4 8YJ X Index Ventures IV (Jersey) LP C/O INDEX VENTURES 1 SEATON PLACE ST. HELIER, Y9JE4 8YJ X Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP C/O INDEX VENTURES 1 SEATON PLACE ST. HELIER, Y9JE4 8YJ X Yucca Partners L.P. Jersey Branch C/O INDEX VENTURES 1 SEATON PLACE ST. HELIER, Y9JE4 8YJ X Signatures /s/ Martin Roberts as Attorney-In-Fact for Index Ventures Growth I (Jersey), L.P. 03/01/2012 Signature of Reporting Person Date /s/ Martin Roberts as Attorney-In-Fact for Index Ventures Growth I Parallel Entrepreneur Fund (Jersey), L.P. 03/01/2012 Signature of Reporting Person Date /s/ Martin Roberts as Attorney-In-Fact for Index Ventures IV (Jersey), L.P. 03/01/2012 Signature of Reporting Person Date /s/ Martin Roberts as Attorney-In-Fact for Index Ventures IV Parallel Entrepreneur Fund (Jersey), L.P. 03/01/2012 Signature of Reporting Person Date /s/ Martin Roberts as Attorney-In-Fact for Yucca Partners LP Jersey Branch 03/01/2012 Signature of Reporting Person Date

Explanation of Responses:

( 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 pro rata distribution for no consideration from Index Ventures Growth I (Jersey), L.P. to its non-affiliate partners. ( 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 pro rata distribution for no consideration from Index Ventures Growth I (Jersey), L.P. to Index Venture Growth Associates I (IGP) Limited. Index Venture Growth Associates I (IGP) Limited is the investment general partner of Index Ventures Growth I (Jersey), L.P. 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 pro rata distribution for no consideration from Index Ventures IV (Jersey), L.P. to its non-affiliate partners. ( 7 )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. ( 8 )The pro rata distribution for no consideration from Index Ventures IV (Jersey), L.P. to Index Venture Associates IV (IGP) Limited. Index Venture Associates IV (IGP) Limited is the investment general partner of Index Ventures IV (Jersey), L.P. 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. ( 9 )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. ( 10 )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. ( 11 )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. ( 12 )Represents the receipt of shares by virtue of a pro-rata distribution by Index Ventures Growth I (Jersey), L.P. to Index Venture Growth Associates I (IGP) Limited. ( 13 )Represents the receipt of shares by virtue of a pro-rata distribution by Index Ventures IV (Jersey), L.P. to Index Venture Associates IV (IGP) Limited.

Remarks: Exhibit 24 - Power of Attorney for Index Ventures IV (Jersey) LP By its Managing General Partner Index Venture Associates IV LimitedExhibit 24 - Power of Attorney for Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP By its Managing General Partner Index Venture Associates IV Limited

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