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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`_____________________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`_____________________
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`WESTERN DIGITAL CORPORATION
`Petitioner
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`v.
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`SPEX TECHNOLOGIES, INC.
`Patent Owner
`_____________________
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`Case IPR2017-_____
`Patent 6,088,802
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`_____________________
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`POWER OF ATTORNEY UNDER 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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`Petitioner Western Digital Corporation hereby appoints Brian Buroker (Reg.
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`No. 39,125) as lead counsel and Blair Silver (Reg. No. 68,003) and Rustin
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`Mangum** as back-up counsel, each of Gibson Dunn & Crutcher LLP, to
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`represent real party-in-interest Western Digital Corporation, in the above captioned
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`inter partes review proceeding concerning U.S. Patent No. 6,088,802 before the
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`Patent and Trial Appeal Board in the United States Patent and Trademark Office,
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`and to transact all business connected therewith.
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`Lead Counsel
`Brian Buroker (Reg. No. 39,125)
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`Back-up Counsel
`Blair Silver (Reg. No. 68,003)
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`Gibson, Dunn & Crutcher LLP
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`Gibson, Dunn & Crutcher LLP
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`1050 Connecticut Avenue, N.W.
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`1050 Connecticut Avenue, N.W.
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`Washington, D.C. 20036-5306
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`Washington, D.C. 20036-5306
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`202.955.8541
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`bburoker@gibsondunn.com
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`Tel: 202.955.8690
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`bsilver@gibsondunn.com
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`Rustin Mangum**
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`Gibson, Dunn & Crutcher LLP
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`3161 Michelson Dr.
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`Irvine, CA 92612-4412
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`2
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`rmangum@ gibsondunncom
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`** Mr. Mangum is not admitted to
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`practice before the USPTO, but he
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`Vice.
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`plans to file a motion to appear pro hac
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`The undersigned is authorized to sign this Power of Attorney on behalf of
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`real party—in—interest Western Digital Corporation.
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`Dated: October 12, 2017
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`- Corporation
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` Ex cutive Vice Pres a ent, Chief
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`Legal Officer and Secretary
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`CERFITICATE OF SERVICE
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`The undersigned certifies service pursuant to 37 C.F.R. § 42.6(e) on
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`the Petitioner by Express Mail of a copy of this Power of Attorney upon the
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`By: /Brian M. Buroker/
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`Brian M. Buroker (Reg. No. 39,125)
`GIBSON, DUNN & CRUTCHER LLP
`1050 Connecticut Avenue, N.W.
`Washington, D.C. 20036-5306
`Telephone: (202) 955-8541
`Facsimile: (202) 467-0539
`bburoker@gibsondunn.com
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`Attorney for Petitioner
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`following parties:
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`Law Office of Robert Rose
`PO Box 301272
`Escondido CA 92030-1272
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`Date: October 16, 2017
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`4
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