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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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`ALVOGEN PINE BROOK LLC
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`Petitioner,
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`v.
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`CELGENE CORP.
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`Patent Owner
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`___________
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`Case No. UNASSIGNED
`Patent 7,968,569
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`___________
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`PETITIONER POWER OF ATTORNEY
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`Petitioner hereby appoints the following practitioners as its attorneys to
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`transact all business in the United States Patent and Trademark Office associated
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`with the above-captioned inter partes review.
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`Lead Counsel
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`Stephen M. Hash
`Reg. No. 45,490
`stephen.hash@bakerbotts.com
`Baker Botts L.L.P.
`98 San Jacinto Blvd., Suite 1500
`Austin, Texas 78701
`Tel.: 512.322.2587
`Fax: 512.322.3687
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`Backup Counsel
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`Margaret J. Sampson
`Reg. No. 47,052
`margaret.sampson@bakerbotts.com
`Baker Botts L.L.P.
`98 San Jacinto Blvd., Suite 1500
`Austin, Texas 78701
`Tel.: 512.322.2552
`Fax: 512.322.3652
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`Jeffrey S. Gritton
`Reg. No. 65,314
`jeff.gritton@bakerbotts.com
`Baker Botts L.L.P.
`98 San Jacinto Blvd., Suite 1500
`Austin, Texas 78701
`Tel.: 512.322.2624
`Fax: 512.322.3624
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`Petitioner also appoints all practitioners associated with Customer Number
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`31625 of Baker Botts, LLP jointly, and each of them severally, with full power of
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`substitution, delegation, and revocation.
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`The individual signing below has the authority to execute this document on
`behalf of Alvogen Pine Brook LLC.
`ALVOGEN PINE BROOK LLC
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`Signature/A/A/QSWQLJ/
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`Date
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`6U” ’ ”7
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`Name Ancw gfifC—l/
`Title W) Ltd‘l J’ Sec wing
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`Active 38572134.]
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`