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`PETITIONER POWER OF ATTORNEY
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`Petitioners Lupin Ltd. and Lupin Pharmaceuticals Inc. ("Lupin") hereby appoints the
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`practitioners associated with Crowell & Moring LLP, Customer Number 23911, including
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`the following lead and backup counsel:
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`Lead Counsel: Deborah Yellin (Reg. No. 45,904),
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`Backup Counsel: Jonathan M. Lindsay (Reg. No. 45,810).
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`as its attorneys to transact all business in the United States Patent & Trademark Office
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`associated with the z'm.‘er parres reviews of U8. Patent No. 8,129,431.
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`Please direct all communications regarding the above-identified inter partes reviews to
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`Customer Number 23911.
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`Please recognize the correspondence address (including any
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`electronic mail address) for the above-identified inter partes reviews to include the following
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`addresses associated with the appointed lead and first backup counsel:
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`Page 1 of2
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`
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`Lead Counsel
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`First Back—Up Counsel
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`Deborah Yellin (Reg. No. 45,904)
`CROWELL & MORING LLP
`
`Jonathan Lindsay (Reg. No. 45,810)
`CROWELL & MORING LLP
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`Intellectual Propeity Group
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`Intellectual Property Group
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`1001 Pennsylvania Avenue, N.W.
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`lO0l Pennsylvania Avenue, N.W.
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`Washington, DC 20004-2595
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`Washington, DC 20004-2595
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`Telephone No.:
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`(202) 624-2947
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`Telephone No.:
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`(949) 798-1325
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`Facsimile No.:
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`(202) 628-8844
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`DYellin@CroWell.com
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`(949) 263-8414
`Facsimile No.:
`JLindsay@CroWell.com
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`Page 2 of 2
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`
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`First Back-Up Counsel
`
`Jonathan Lindsay (Reg. No. 45,810)
`CROWELL & MORING LLP
`
`Intellectual Property Group
`
`1001 Pennsylvania Avenue, N.W.
`
`Washington, DC 20004-2595
`
`Lead Counsel
`
`Deborah Yellin (Reg. No. 45,904)
`CROWELL & MORING LLP
`
`Intellectual Property Group
`
`1001 Pennsylvania Avenue, N.W.
`
`Washington, DC 20004-2595
`
`
`
`
`Telephone No.:
`
`(202) 624-2947
`
`Telephone No.:
`
`(949) 798-1325
`
`Facsimile No.:
`
`(202) 628-8844
`
`DYellin@Crowell.com
`
`Facsimile No.:
`(949) 263-8414
`JLindsay@Crowell.com
`
`By:
`
`Lupin Ltd.
`
`Name:
`
`Title:
`
`Date:
`
`By;
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`Lupin Pharmaceuticals Inc,
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`Page 2 of 2