`__________________
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`__________________
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`ARGENTUM PHARMACEUTICALS LLC
`Petitioner
`
`v.
`
`ALCON RESEARCH, LTD
`Patent Owner
`__________________
`
`Patent No. 8,791,154
`Issue Date: July 29, 2014
`Title: HIGH CONCENTRATION OLOPATADINE
`OPHTHALMIC COMPOSITION
`__________________
`
`Inter Partes Review No. 2016-00544
`__________________
`
`
`PATENT OWNER’S POWER OF ATTORNEY
`
`Pursuant to 37 C.F.R. § 42.10(b), Alcon Research, Ltd., Patent Owner of
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`U.S. Patent No. 8,791,154, hereby appoints the practitioners associated with
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`customer number 129657 (Williams & Connolly LLP) as its attorneys to prosecute
`
`and to transact all business in the Patent Trial & Appeal Board of the United States
`
`Patent and Trademark Office connected with the above-identified petition for inter
`
`partes review.
`
`
`
`1
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`
`
`Please direct all communications regarding this Petition to:
`
`David M. Krinsky (Lead Counsel)
`Williams & Connolly LLP
`725 Twelfth Street, N.W.
`Washington, D.C. 20005
`
`Telephone: (202) 434-5338
`Facsimile: (202) 434-5029
`Email: dkrinsky@wc.com
`USPTO Reg. No. 72,339
`
`Thomas S. Fletcher (Back-up Counsel)
`Williams & Connolly LLP
`725 Twelfth Street, N.W.
`Washington, D.C. 20005
`
`Telephone: (202) 434-5497
`Facsimile: (202) 434-5029
`Email: tfletcher@wc.com
`USPTO Reg. No. 72,3 83
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`The undersigned is authorized to sign this Power of Attorney on behalf of Alcon
`Research, Ltd.
`
`Printed Name: Barry Copeland
`
`Title: Executive Director and Senior Legal Counsel, Alcon Research, Ltd.
`
`Date: Zgifg /3,
`
`By:2