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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`KVK-TECH, INC.,
`FLAT LINE CAPITAL, LLC
`Petitioner,
`v.
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`SILVERGATE PHARMACEUTICALS, INC.
`Patent Owner
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`U.S. Patent No. 9,463,183
`Issue Date: Oct. 11, 2016
`Inventors: Gerald L. Mosher, David W. Miles
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`Title: LISINOPRIL FORMULATIONS
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`Case Number: Unassigned
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`Power of Attorney for Petitioner Flat Line Capital, LLC
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`Pursuant to 37 C.F.R. § 42.10(b), Petitioner Flat Line Capital, LLC
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`hereby appoints the practitioners associated with Kroub, Silbersher &
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`Kolmykov PLLC, Customer Number 121957, including the following lead and
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`backup counsel, as its attorneys to transact all business in the United States Patent
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`& Trademark Office associated with any Post Grant Review of U.S. Patent No.
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`9,463,183:
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`Lead Counsel
`Zachary Silbersher (Reg. No. 62,090)
`Kroub, Silbersher & Kolmykov PLLC
`305 Broadway, 7th Floor
`New York, NY 10007
`Telephone: 212-323-7442
`E-mail: zsilbersher@kskiplaw.com
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`Back-Up Counsel
`Gaston Kroub (Reg. No. 51,903)
`Kroub, Silbersher & Kolmykov PLLC
`305 Broadway, 7th Floor
`New York, NY 10007
`Telephone: 212-323-7442
`E-mail: gkroub@kskiplaw.com
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`The individual signing below has the authority to execute this document on behalf
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`of petitioner Flat Line Capital, LLC.
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`Dated:
`_____________, 2017
`July 10
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` ____________________________
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`Name: ____________________________
`Kevin Barnes
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`Title: ____________________________
`Principal
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`CERTIFICATE OF SERVICE
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`The undersigned hereby certifies that a copy of this Power of Attorney for
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`Petitioner Flat Line Capital, LLC, together with all exhibits, has been served via
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`FedEx, a means at least as fast and reliable as Priority Mail Express®, on July 10,
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`2017 upon the following correspondence address of record for Patent Owner:
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`Wilson, Sonsini, Goodrich & Rosati
`650 Page Mill Road
`Palo Alto, CA 94304-1050
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`Dated: July 10, 2017
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`/Zachary D. Silbersher/
`Zachary D. Silbersher
`Reg. No. 62,090
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