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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`_____________________
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`Avi Networks, Inc.,
`Petitioner
`v.
`Citrix Systems, Inc.,
`Patent Owner.
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`_____________________
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`Case No. Unassigned
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`U.S. Patent No. U.S. Patent No. 9,148,493
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`_____________________
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`POWER OF ATTORNEY UNDER 37 C.F.R. § 42.10(b)
`(INTER PARTES REVIEW OF U.S. PATENT NO. 9,148,493)
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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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`PETITIONER POWER OF ATTORNEY
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`Pursuant to 37 C.F.R. § 42.10(b), Petitioner Avi Networks, Inc. hereby
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`appoints the following as its attorneys to transact all business in the United States
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`Patent & Trademark Office associated with the above-captioned inter partes
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`review:
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`Lead Counsel
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`555 Mission Street
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`San Francisco, CA 94105—0921
`Tel: 415-393-8224
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`EHsin@gibsondunn.com
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`Brian Rosenthal
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`New York, NY 10166-0193
`Tel: 212-35102339
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`BARosenthal@gibsondunn.com
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`Ryan Iwahashi
`(Reg. No. 63378)
`Gibson, Dunn & Crutcher LLP
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`Back-up Counsel
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` Y. Ernest Hsin
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`(Reg. No. 55283)
`(pro hac vice motion requested)
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`Gibson, Dunn & Crutcher LLP
`Gibson, Dunn & Crutcher LLP
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`200 Park Avenue
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`1881 Page Mill Road
`Palo Alto, CA 94304— 1211
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`Tel: 650-849—5367
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`Ewahashi@gibsondunn.com
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`The individual signing below has the authority to execute this document on
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`behalf of Petitioner Avi Networks, Inc.
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