UNITED STATES PATENT AND TRADEMARK OFFICE
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`PETROLEUM GEO-SERVICES INC.
`
`Petitioner
`
`V.
`
`WESTERNGECO LLC
`
`Patent Owner
`
`Case No. IPR20l4-00688
`
`Patent No. 7,080,607
`
`PETITIONER’S (UPDATED) POWER OF ATTORNEY PURSUANT TO 37
`CFR § 42.10(b) FOR PETITION FOR INTER PARTES REVIEW
`
`Petitioner hereby appoints the practitioners associated with customer number
`
`129657 (Williams & Connolly LLP) as its attorneys to prosecute and to transact all
`
`business in the Patent Trial & Appeal Board of the United States Patent and
`
`Trademark Office connected with the above-identified petition for inter partes
`
`review.
`
`
`
`The undersigned is author’ e to sign this Power of Attorney on behalf of the
`Petitioner. Executed at
`at
`.
`. L. on the '51‘;
`day of February, 2015.
`
`
`
`Printed Name: Kevin Hart
`
`USPTO Reg. No.: 36,823
`Telephone: 281-509-823 8
`
`Title: Chief Intellectual Property Counsel
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