POWER OF ATTORNEY
Know all by these presents, that the undersigned hereby constitutes and appoints
each of Martin Roberts, Adam Spiegel and Jon M. Novotny, or any of them
signing singly, and with full power of substitution, the undersigned's true and
lawful attorney-in-fact to:
(1) execute for and on behalf of the undersigned, in the undersigned's capacity 
as a 10% stockholder of RPX Corporation (the "Company"), Forms 3, 4, and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934 and the
rules thereunder, solely in connection with the Company's initial public
offering;
(2) seek or obtain information on transactions in the Company's securities
from any third party, including brokers, employee benefit plan administrators,
employee benefit plan administrators and trustees, and the undersigned hereby
authorizes any such person to release any such information to the
attorney-in-fact and approves and ratifies any such release of information;
(3) do and perform any and all acts for and on behalf of the undersigned which 
may be necessary or desirable to complete and execute any such Form 3, 4, or 5, 
complete and execute any amendment or amendments thereto, and timely file such 
form with the SEC and any stock exchange or similar authority;
(4) take any other action of any type whatsoever in connection with the 
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being 
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall 
contain such terms and conditions as such attorney-in-fact may approve in such 
attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full power and 
authority to do and perform any and every act and thing whatsoever requisite, 
necessary, or proper to be done in the exercise of any of the rights and powers 
herein granted, as fully to all intents and purposes as the undersigned might or 
could do if personally present, with full power of substitution or revocation, 
hereby ratifying and confirming all that such attorney-in-fact, or such 
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be 
done by virtue of this power of attorney and the rights and powers herein granted.
The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in 
such capacity at the request of the undersigned, are not assuming, nor is the 
Company assuming, any of the undersigned's responsibilities to comply with 
Section 16 of the Securities Exchange Act of 1934.
This Power of Attorney shall remain in full force and effect until the undersigned 
is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's 
holdings of and transactions in securities issued by the Company, unless earlier 
revoked by the undersigned in a signed writing delivered to the foregoing 
attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be 
executed as of this 3rd day of May, 2011.
                
KPCB XIII Associates, LLC
/s/ Susan Biglieri
By: Susan Biglieri
Its: CFO