FORM 4
[ X ] 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
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

ROBERTS MARTIN E 		2. Issuer Name and Ticker or Trading Symbol

RPX Corp [ RPXC ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chief Executive Officer
(Last)          (First)          (Middle)

C/O RPX CORPORATION, ONE MARKET PLAZA, STEUART TWR, STE 1100 		3. Date of Earliest Transaction (MM/DD/YYYY)

6/19/2018
(Street)

SAN FRANCISCO, CA 94105
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   6/19/2018     U    174968   D   (1) 65477   (2) D    
Common Stock   6/19/2018     A    47619   (2) A $0   113096   (2) D    
Common Stock   6/19/2018     D    113096   (2) D   (3) 0   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 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
Employee Stock Option (right to buy)   $15.98   6/19/2018     D         25000    2/24/2012   1/23/2022   (4) Common Stock   25000.0     (5) 0   D    

Explanation of Responses:
(1)  Issuer entered into an Agreement and Plan of Merger, dated April 30, 2018 (the "Merger Agreement"), by and among the Issuer, Riptide Parent, LLC ("Parent"), and Riptide Purchaser, Inc., a wholly owned subsidiary of Parent ("Purchaser"). Parent and Purchaser are beneficially owned by affiliates of HGGC, LLC. Pursuant to the Merger Agreement and the tender offer commenced in connection therewith, each share of Issuer common stock held by the Reporting Person was tendered for $10.50 per share in cash (the "Offer Price"), without interest and subject to any required withholding of taxes. Pursuant to the Merger Agreement, on June 19, 2018, Purchaser was merged with and into the Issuer (the "Merger"), with the Issuer being the surviving corporation and becoming a wholly owned subsidiary of Parent.
(2)  Reflects restricted stock units, each representing a contingent right to receive one share of Issuer's common stock.
(3)  Upon or in connection with the Merger, each of 2,976 vested restricted stock units was cancelled and converted into the right to receive an amount in cash equal to the Offer Price, subject to any applicable withholding taxes. Each of the remaining unvested restricted stock units was assumed and substituted by Parent (the "Substituted RSUs") and will continue to have, and be subject to, the same terms and conditions as were in effect immediately prior to the effective time of the Merger (including with respect to vesting, settlement and forfeiture terms), except for changes to certain terms rendered inoperative by reason of the Merger or for such certain administrative or ministerial changes, and, upon vesting, the holder thereof shall be entitled, for each Substituted RSU, to an amount in cash, without interest, equal to the Offer Price, less any required withholding taxes, payable on the applicable vesting and settlement date.
(4)  The outstanding stock options subject to the grant are fully vested and exercisable.
(5)  Upon or in connection with the Merger, this option was cancelled and converted into the right to receive an amount in cash, without interest, equal to the product of (i) the excess, if any, of the Offer Price over the applicable per-share exercise price of such cancelled option, multiplied by (ii) the total number of shares of Issuer's common stock underlying such option, less any required withholding taxes, provided, that, if the per-share exercise price of any such option was equal to or greater than the Offer Price, such option was cancelled for no consideration.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
ROBERTS MARTIN E
C/O RPX CORPORATION
ONE MARKET PLAZA, STEUART TWR, STE 1100
SAN FRANCISCO, CA 94105 		X
Chief Executive Officer

Signatures
Martin E. Roberts 6/19/2018
** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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