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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`CISCO SYSTEMS, INC.’S
`POWER OF ATTORNEY PURSUANT TO 37 C.F.R. §42.10(b)
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`Mail Stop “PATENT BOARD”
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
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`ARISTA NETWORKS, INC.
`Petitioner
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`v.
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`CISCO SYSTEMS, INC.
`Patent Owner
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`___________________
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`Case IPR2016-00309
`Patent 7,224,668
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` Case IPR2016-00309
`U.S. Pat. No. 7,224,668
`Pursuant to 37 C.F.R. § 42.10(b), Patent Owner, Cisco Systems, Inc., hereby
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`appoints the practitioners of Customer No. 26111 as its attorneys to transact all
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`business in the United States Patent & Trademark Office and Patent Trial and
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`Appeal Board associated with the above-captioned inter partes review.
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`Counsel’s Address:
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`STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.
`1100 New York Avenue, NW
`Washington, DC 20005
`202.371.2600 (reception)
`202.371.2540 (facsimile)
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`FOR:
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` Cisco Systems, Inc.
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`SIGNATURE:
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`BY: Xiao Chang
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`TITLE: Senior Corporate Counsel
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`DATE: 12/18/15
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