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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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`WESTERN DIGITAL CORPORATION,
`Petitioner
`v.
`SPEX TECHNOLOGIES, INC.
`Patent Owner
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`_________________________
`CASE NO: IPR2018-00082
`U.S. PATENT: 6,088,802
`_________________________
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`PETITIONER’S UNOPPOSED MOTION FOR WITHDRAWAL
`OF BLAIR SILVER AS BACKUP COUNSEL FOR PETITIONER
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`Pursuant to 37 C.F.R. § 42.10(e), Petitioner respectfully requests that Blair
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`A. Silver be withdrawn as back-up counsel for Petitioner in the above-captioned
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`inter partes review. Authorization for this motion was given by the Board via e-
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`mail to the parties on September 27, 2018. Patent Owner does not object to this
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`motion. Mr. Silver is currently back-up counsel for Petitioner. He is leaving the
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`law firm of Gibson, Dunn & Crutcher LLP, which currently represents Petitioner.
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`Petitioner will continue to be represented by Brian M. Buroker from Gibson, Dunn
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`& Crutcher LLP as lead counsel. If the currently pending pro hac vice motion is
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`granted, Frank Coté from Gibson, Dunn & Crutcher LLP will serve as Petitioner’s
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`back-up counsel. Granting this motion will not hinder the economy, the integrity
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`of the patent system, the efficient administration of the Office, or the ability of the
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`Office to timely complete this proceeding. See 35 U.S.C. § 316(b).
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`DATED: September 27, 2018
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`Respectfully submitted,
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`/s/ Brian M. Buroker/
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`Brian M. Buroker (Reg. No. 39,125)
`Blair Silver (Reg. No. 68,003)
`GIBSON, DUNN & CRUTCHER LLP
`1050 Connecticut Ave., N.W.
`Washington, D.C. 20036-5306
`Tel: 202.955.8500
`bburoker@gibsondunn.com
`bsilver@gibsondunn.com
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`Frank P. Coté (pro hac vice pending)
`GIBSON, DUNN & CRUTCHER LLP
`3161 Michelson Drive
`Irvine, CA 92612-4412
`Tel: 949.451.4090
`fcote@gibsondunn.com
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`Attorneys for Petitioners
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`CERTIFICATE OF SERVICE
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`The undersigned certifies service pursuant to 37 C.F.R. § 42.6(e) on the
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`Patent Owner via e-mail a copy of Petitioner’s Unopposed Motion for Withdrawal
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`of Blair Silver as Backup Counsel for Petitioner:
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`Peter Lambrianakos, plambrianakos@brownrudnick.com
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`Alfred R. Fabricant, afabricant@brownrudnick.com
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`Vincent J. Rubino, III, vrubino@brownrudnick.com
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`Enrique W. Iturralde, eiturralde@brownrudnick.com
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`DATED: September 27, 2018
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`/s/ Brian M. Buroker
`Brian M. Buroker (Reg. No. 39,125)
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`Attorney for Petitioner
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