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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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`GREENE’S ENERGY GROUP, LLC
`Petitioner
`
`_v.
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`OIL STATES ENERGY SERVICES, L.L.C.
`Patent Owner
`
`Patent No. 6,179,053
`Issue Date: January 30, 2001
`Title: LOCKDOWN MECHANISM FOR WELL TOOLS REQUIRING FIXED-
`POINT PACKOFF
`
`Inter Partes Review No. Unassigned
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`PETITIONER POWER OF ATTORNEY
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`4826-2853-8903.1
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`
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`Inter Partes Review No.: Unassigned
`U.S. Patent No. 6,179,053
`Petitioner Power of Attorney
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`PETITIONER POWER OF ATTORNEY
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`I hereby appoint Practitioners associated with Foley & Lardner LLP,
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`Customer Number 22428, including the following lead and backup counsel:
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`Lead Counsel: John Feldhaus (Reg. No. 28,822) and
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`Backup Counsel: Andrew R. Cheslock (Reg. No. 68,577)
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`as my attorneys to prosecute the aforementioned proceeding, and to transact all
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`business in the United States Patent and Trademark Office connected therewith .
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`Please recognize the correspondence address (including any electronic mail
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`address) for the above-identified Inter Partes Review to be the following address
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`associated with the appointed lead and backup counsel.
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`Foley & Lardner LLP
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`3000 K Street NW, Suite 600
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`Washington, DC 20007.
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`jfeldhaus@foley.com
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`acheslock@foley.com
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`Dated: December 2, 2013
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`By:
`
`Lance Bolds
`
`Petitioner
`
`Chief Legal Counsel
`Greene’s Energy Group, LLC
`(281) 598-6855
`
`4826-2853-8903.1