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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`APOTEX INC. and APOTEX CORP.,
`Petitioners,
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`V.
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`AUSPEX PHARMACEUTICALS, INC.,
`Patent Owner.
`
`Case IPR2021-01507
`Patent 8,524,733
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`PATENT OWNER
`AUSPEX PHARMACEUTICALS, INC.’S POWER OF ATTORNEY
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`
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`Pursuant to 37 C.F.R. § 42.10(b), Patent Owner Auspex Pharmaceuticals, Inc.
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`appoints the following individuals and those associated with Customer No. 129657
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`(Williams & Connolly LLP) as its attorneys, and all practitioners working in
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`conjunction with them, to transact all businessin the U.S. Patent & Trademark Office
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`associated with the above-captioned proceeding:
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`David I. Berl (Reg. No. 72,751)
`Williams & Connolly LLP
`725 12th St NW
`Washington, DC 20005
`Phone: 202-434-5491
`Fax: 202-434-5029
`dberl@we.com
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`ThomasS.Fletcher (Reg. No. 72,383)
`Williams & Connolly LLP
`725 12th St NW
`Washington, DC 20005
`Phone: 202-434-5497
`Fax: 202-434-5029
`tfletcher@we.com
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`Shaun P. Mahaffy (Reg. No. 75,534)
`Williams & Connolly LLP
`725 12th St NW
`Washington, DC 20005
`Phone: 202-434-5554
`Fax: 202-434-5029
`smahaffy@we.com
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`
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`The individual signing below hasthe authority to execute this document on
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`behalf of Auspex Pharmaceuticals, Inc.
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`Dated: September 28, 2021
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