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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`PETROLEUM GEO-SERVICES INC.
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`Petitioner
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`V.
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`WESTERNGECO LLC
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`Patent Owner
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`CASE UNASSIGNED
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`Patent No. 7,293,520
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`PETITIONER POWER OF ATTORNEY PURSUANT TO 37 CFR § 42.1000)
`FOR PETITION FOR INTER PARTES REVIEW
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`Petitioner hereby appoints the following Practitioners as its attorneys to
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`prosecute and to transact all business in the Patent Trial & Appeal Board of the
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`United States Patent and Trademark Office connected with the above—identified
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`petition for Inter Panes review.
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`
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`Please direct all communication regarding this Petition to:
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`Jessamyn S. Berniker (Lead Counsel)
`Williams & Connolly LLP
`725 Twelfth St., NW
`Washington, DC 20005
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`Phone: 202-434-5000
`Fax: 202-434-5029
`Email: jberniker@wc.com
`USPTO Reg. No.: 72,328
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`Christopher A. Suarez (Back—up Counsel)
`Williams & Connolly LLP
`725 Twelfth St, NW
`Washington, DC 20005
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`Phone: 202-434-5 000
`Fax: 202-434-5029
`Email: csuarez@wc.com
`USPTO Reg. No.: Pending
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`The undersigned is authorized to sign this Powe1;011:fittorney on behalf of the
`Petitioner. Executed at 1&3;ng S g on the K i
`day of April, 2014.
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`
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`Printed Name: Kevin Hart
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`USPTO Reg. No.: 36,823
`Title: Chief Intellectual Property Counsel
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