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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`SA WAI USA, INC. and
`SAW AI PHARMACEUTICAL CO., LTD.
`Petitioners,
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`V.
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`BIOGEN MA, INC.
`Patent Owner.
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`U.S. Patent No. 8,399,514 to Lukashev et al.
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`Issue Date: March 19, 2013
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`Title: Treatment for Multiple Sclerosis
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`Inter Partes Review No.: IPR2019-00789
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`PETITIONER'S POWER OF ATTORNEY
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`Mail Stop "PATENT BOARD"
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`Patent Trial and Appeal Board
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`U.S. Patent and Trademark Office
`P.O. Box 1450
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`Alexandria, VA 22313-1450
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`US_l37920112v1_385667-00004
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`PETITIONER'S POWER OF ATTORNEY
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`Pursuant to 37 C.F.R. § 42.lO(b), Sawai Pharmaceutical Co., Ltd. having a
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`principal place of business at 5-2-30, Miyahara, Yodogawa-Ku, Osaka 532-0003,
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`Japan, hereby appoints the following practitioners as its attorneys to transact all
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`business in the United States Patent & Trademark Office Association with any
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`inter
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`partes review of U.S. Patent No 8,399,514:
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`Lead Counsel
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`Back-up Counsel
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`Christopher B. Ferenc
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`Brian Sodikoff
`Reg. No. 59,365
`Reg. No. 54,697
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`LLP Muchin Rosenman Katten Muchin Rosenman LLP Katten
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`525 West Monroe Street 2900 K Street NW
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`Chicago, IL 60661-3693 North Tower -Suite 200
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`Washington, DC 20007-5118
`brian.sodikoff@kattenlaw.com
`christopher.ferenc@kattenlaw.com
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`and all practitioners associated with Customer Number 27160.
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`I have the authority to execute this document on behalf of Sawai
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`Pharmaceutical Co., Ltd.
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`Name: No b1A.ko S�J W'-O'C'O
`Title: D 1 �e& \7oy, 1 T-P f:>e.,pti ...
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`Date: February )..J.., 2019
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`US_l37920112vl_385667-00004
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