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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`MYLAN PHARMACEUTICALS INC.
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`Petitioner,
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`V.
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`BIOGEN MA, INC.
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`Patent Owner.
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`Patent No. 8,399,514
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`PETITION MYLAN PHARMACEUTICAL, INC.’S
`POWER OF ATTORNEY
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`Pursuant to 37 C.F.R. § 42.10(b), Petitioner, Mylan Pharmaceuticals Inc.,
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`hereby appoints the following practitioners as its attorneys to act on its behalf in all
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`matters associated with the petition for inter partes review of US. Patent No.
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`8,399,514, with full power to appoint an associate agent and to transact all business
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`in the United States Patent & Trademark Office in connections therewith:
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`Brandon M. White (Reg. No. 52,354)
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`Perkins Coie LLP
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`Perkins Coie LLP
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` Lead Counsel Back Up Counsel
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`Emily Greb (Reg. No. 68,244)
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`
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`700 13th St., NW, Suite 600
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`One East Main St., Suite 201
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`Washington, DC 20005
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`Madison, WI 53703
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`bmwhite@perkinscoie.com
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`Tel: (202) 654—6206
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`egreb @perkinscoiecom
`Tel: (608) 663-7494
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`\A) £2, 21“: ,
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`For: Petitioner Mylan Pharmaceuticals Inc.
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`Name:
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`Date: 7 [Z 18/
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`