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`BEFOik 1BE PATENT TRIAL AND APPEAL BOARD
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`SONY CORPORATION
`Petitioner
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`v.
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`ARRIS ENTERPRISES LLC
`Patent Owner
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`Case: IPR2017-01963
`Patent 7,752,564
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`ARRIS JQNTERPRISES LLC'S POWER OF ATTORNEY
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`l
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`Mail Stop "PATEN'J: BOARD"
`Patent Trial and Appfal Board
`U.S. Patent & Trademark Office
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`P.O. Box 1450
`Alexandria, VA 223 ]3-1450
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`Arris Enterprises LLC's Power of Attorney for
`Inter Partes Review of U.S. Patent No. 7,752,564
`Pursuant to 37 C.F.R. § 42.lO(b), Patent Owner ARRIS Enterprises LLC and
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`Real Party-in.LJnterest ARRIS International PLC hereby appoint the practitioners of
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`Customer No. 26111 as their attorneys/agents to transact all business in the United
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`States Patent & Trademark Office and Patent Trial and Appeal Board associated
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`with the above-captioned inter partes review of U.S. Patent No. 7,752,564.
`
`These practitioners include at least:
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`Robert E. Sokohl (Reg. No. 36,013) phone: 202-772-8677
`Lead Counsel:
`Back-up Counsel: Chandrika Vira (Reg. No. 60,607) phone: 202-772-8672
`Back-up Counsel: Michelle K. Holoubek (Reg. No. 54,179) phone: 202-772-8855
`STERNE, KESSLER, GOLDSTEIN & Fox P.L.L.C.
`Address:
`1100 New York Avenue, NW
`Washington, DC 20005
`202.371.2600 (reception)
`202.371.2540 (facsimile)
`rsokohl-PT AB@skgf.com
`holoubek@skgf.com
`cvira-PT AB@skgf.com
`
`FOR::
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`~;:.-=.;==~=7"~~~:=-=-
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`SIGNATURE: -;.t:::..-~---
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`TITLE: Sr. Counsel
`0 /t-17 t 7
`DATE:
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`TITLE: Sr. Counsel
`1o/u/f7
`DATE:
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