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`UNITED STATES PATENT AND TRADEMARK OFFICE
`_____________________
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`BEFORE THE 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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`_____________________
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`Case IPR2018-00075
`Patent 9,521,466
`_____________________
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`ARRIS ENTERPRISES LLC’S POWER OF ATTORNEY
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`Mail Stop “PATENT BOARD”
`Patent Trial and Appeal Board
`U.S. Patent & Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
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`Arris Enterprises LLC' s Power of Attorney for
`Inter Partes Review of U.S. Patent No. 9,521,466
`Pursuant to 37 C.F.R. § 42.lO(b), Patent OwnerARRIS Enterprises LLC and
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`Real Party-in-Interest 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. 9,521,466.
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`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
`202.3 71.2600 (reception)
`202.371.2540 (facsimile)
`rsokohl-PT AB@skgf.com
`cvira-PT AB@skgf.com
`holoubek@skgf.com
`
`TITLE: Sr. Counsel
`DATE: .{je.c_, 7 I Z-Ol 1
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`FOR:: ARRI~S . al-Dk.~~
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`Intern
`SIGNATURE:
`·
`~ ~
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`___,c-,~-------
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`N AME: Jim Snead
`TITLE: Sr. Counsel
`DATE: De-c.- 7) 2-0l 7
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