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`____________________________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`____________________________
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`FACEBOOK, INC.
`Petitioner,
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`v.
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`WINDY CITY INNOVATIONS, LLC
`Patent Owner
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`U.S. Patent No. 8,694,657
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`
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`Inter Partes Review No. 2016-_____
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`____________________________
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`TITLE: REAL TIME COMMUNICATIONS SYSTEM
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`PETITIONER’S POWER OF ATTORNEY
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`Petitioner Facebook, Inc. hereby appoints the following practitioners as its
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`attorneys to transact all business in the United States Patent & Trademark
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`Office/Patent Trial and Appeal Board associated with the above-captioned Inter
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`Partes Review:
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`LEAD COUNSEL
`Heidi L. Keefe (Reg. No. 40,673)
`hkeefe@cooley.com
`zpatdcdocketing@cooley.com
`COOLEY LLP
`ATTN: Patent Group
`1299 Pennsylvania Ave., NW, Suite 700
`Washington, DC 20004
`Tel: (650) 843-5001
`Fax: (650) 849-7400
`
`
`BACK-UP COUNSEL
`Phillip E. Morton (Reg. No. 57,835)
`pmorton@cooley.com
`zpatdcdocketing@cooley.com
`COOLEY LLP
`ATTN: Patent Group
`1299 Pennsylvania Ave., NW, Suite 700
`Washington D.C. 20004
`Tel: (703) 456-8668
`Fax: (703) 456-8100
`Andrew C. Mace (Reg. No. 63,342)
`amace@cooley.com
`zpatdcdocketing@cooley.com
`COOLEY LLP
`ATTN: Patent Group
`1299 Pennsylvania Ave., NW, Suite 700
`Washington, DC 20004
`Tel: (650) 843-5808
`Fax: (650) 849-7400
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`The individual signing below has the authority to execute this document on
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`
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`behalf of Petitioner Facebook, Inc.
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`FACEBOOK, INC.
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`
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`Stacy Chen
`Lead Counsel, IP
`Dated: June 3, 2016
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`1
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`CERTIFICATE OF SERVICE
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`I hereby certify, pursuant to 37 C.F.R. section 42.6, that a complete
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`copy of the attached PETITIONER’S POWER OF ATTORNEY is being
`served on the 3rd day of June, 2016, the same day as the filing of the above-
`identified document in the United States Patent and Trademark Office/Patent
`Trial and Appeal Board, upon the patent owner’s attorneys of record via
`Priority Mail Express:
`
`PETER K. TRZYNA, ESQ.
`PO BOX 7131
`CHICAGO IL 60680
`
`and upon counsel of record for the patent owner in the litigation before the
`United States District Court for the Northern District of California, Case No.
`4:16-cv-1730-YGR entitled Windy City Innovations LLC v. Facebook, Inc.
`via Federal Express:
`
`Warren J. McCarty, III
`wmccarty@caldwellcc.com
`CALDWELL CASSADY & CURRY
`2101 Cedar Springs Rd., Suite 1000
`Dallas, TX 75201
`Telephone: (214) 888-4848
`Facsimile: (214) 888-4849
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`
`/ Heidi L. Keefe /
`Heidi L. Keefe
`Reg. No. 40,673
`
`
`
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`Cooley LLP
`ATTN: Patent Group
`1299 Pennsylvania Ave., NW, Suite 700
`Washington, DC 20004
`Tel: (650) 843-5001
`Fax: (650) 849-7400
`
`
`
`2
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