`
`In re Patent of:
`U.S. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
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`Scott Lundahl, et al.
`10,357,567
`July 23, 2019
`15/869,164
`January 12, 2018
`METHODS FOR PHOTODYNAMIC THERAPY
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`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
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`PATENT OWNER’S POWER OF ATTORNEY IN POST GRANT PROCEEDINGS
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`Patent Owner, DUSA Pharmaceuticals, Inc., hereby appoints the following practitioners
`as its attorneys to transact all business in the United States Patent & Trademark Office associated
`with any inter partes review, post grant review, or other review proceedings before the Patent
`Trial and Appeal Board of the above-captioned patent:
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`W. Karl Renner, Reg. No. 41, 265
`Andrew Patrick, Reg. No. 63,471
`Heather L. Flanagan, Reg. No. 54,101
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`and all practitioners associated with PTO Customer Number 26171.
`I have the authority to execute this document on behalf of DUSA Pharmaceuticals, Inc.
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`DUSA Pharmaceuticals, Inc.
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`By:
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`Craig Kuchii
`Name:
`Title: Associate VP, Intellectual Property
`Date: 11/8/2021
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