`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`FACEBOOK, INC.
`Petitioner,
`
`v.
`
`WINDY CITY INNOVATIONS, LLC
`Patent Owner
`
`U.S. Patent No. 8,694,657
`
`TITLE: REAL TIME COMMUNICATIONS SYSTEM
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`PETITIONER'S POWER OF ATTORNEY
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`
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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
`
`Office/Patent Trial and Appeal Board associated with the above-captioned InteN
`
`PaNtes Review:
`
`BACK-UP COUNSEL
`LEAD`COUNSEL
`Phillip E. Morton (Reg. No. 5,835)
`Heidi L. Keefe (Reg. No. 40,673)
`pmorton@cooley.com
`hkeefe@cooley.com
`zpatdcdocketing@cooley.com
`zpatdcdocketing@cooley.com
`COOLEY LLP
`CooLEY LLP
`ATTN: Patent Group
`ATTN: Patent Group
`1299 Pennsylvania Ave., NW, Suite 700 1299 Pennsylvania Ave., NW, Suite 700
`Washington D.C. 20004
`Washington, DC 20004
`Tel: (703) 456-8668
`Tel: (650) 843-5001
`Fax: 703 456-8100
`Fax: 650 849-7400
`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
`
`The individual signing below has the authority to execute this document on
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`behalf of Petitioner Facebook, Inc.
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`FACEBOOK, INC.
`
`~ ~~
`
`Stacy Chen
`Lead Counsel, IP
`Dated: June 3, 2016
`
`1
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`
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`CERTIFICATE OF SERVICE
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`
`
`
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`
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`I hereby certify, pursuant to 37 C.F.R. § 42.6, that a complete copy of the
`attached PETITIONER’S POWER OF ATTORNEY and related documents, are
`being served on the 7th day of January, 2017, via Priority Mail Express upon the
`Patent Owner by serving the correspondence address of record with the USPTO as
`follows:
`
`PETER K. TRZYNA, ESQ.
`PO BOX 7131
`CHICAGO IL 60680
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`and, via Federal Express upon counsel of record for the Patent Owner in the
`litigation pending before the U.S. District Court for the North District of California
`entitled Windy City Innovations, LLC v. Facebook, Inc., Case No. 4:16-cv-1730-
`YGR (N.D. Cal.) as follows:
`
`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
`
`DATED: JANUARY 7, 2017
`
`COOLEY LLP
`ATTN: Patent Docketing
`1299 Pennsylvania Ave. NW
`Suite 700
`Washington, D.C. 20004
`Tel: (650) 843-5001
`Fax: (650) 849-7400
`
`/ Heidi L. Keefe /
`Heidi L. Keefe
`Reg. No. 40,673