UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`SAMSUNG ELECTRONICS CO., LTD., and
`SAMSUNG ELECTRONICS AMERICA, INC,,
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`Petitioners,
`\
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`ZOPHONOS INC,
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`Patent Owner.
`
`Case IPR2026-00083
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`U.S. Patent 10,656,906
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`POWER OF ATTORNEY PER 37 C.F.R. § 42.10(b)
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`IPR2026-00083
`U.S. Patent 10,656,906
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`Petitioner Samsung Electronics America, Inc. hereby appoints the
`practitioners associated with Arnold & Porter Kaye Scholer LLP Account Number
`50-2387 to represent it and to transact all business in the Patent Trial and Appeal
`Board of the United States Patent and Trademark Office in connection with the
`above-captioned Inter Partes Review of U.S. Patent 10,656,906. Petitioner hereby
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`designates the following lead and back-up counsel:
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`Lead Counsel Back-Up Counsel
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`Ali R. Sharifahmadian, Reg. No. 48,202 | Jeffrey Miller, Reg. No. 35,287
`(ali.sharifahmadian@arnoldporter.com) | (jeffrey.miller@arnoldporter.com)
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`Arnold & Porter Kaye Scholer LLP Arnold & Porter Kaye Scholer LLP
`601 Massachusetts Ave., NW 3000 EI Camino Real
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`Washington, DC 20001-3743 Five Palo Alto Square, Suite 500
`Tel: 202-942-5000 Palo Alto, CA 94306-3807
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`Fax: 202-942-5999 Tel: 650-319-4500
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`Fax: 650-319-4700
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`Patrick Reidy, Reg. No. 72,148
`(patrick.reidy@arnoldporter.com)
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`Arnold & Porter Kaye Scholer LLP
`70 West Madison Street
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`Suite 4200
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`Chicago, IL 60602-4231
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`Tel: 312-583-2300
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`Fax: 312-583-2360
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`Mark A. Patrick, Reg. No. 72,958
`(mark.patrick@arnoldporter.com)
`Kyle Tsui, Reg. No. 62,602
`
`
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`
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`IPR2026-00083
`U.S. Patent 10,656,906
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`(kyle.tsui@arnoldporter.com)
`Ruifeng Pu, Reg. No. 78,010
`(ruifeng.pu@arnoldporter.com)
`
`Arnold & Porter Kaye Scholer LLP
`601 Massachusetts Ave., NW
`Washington, DC 20001-3743
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`Tel: 202-942-5000
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`Fax: 202-942-5999
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`Signature: M j&«»fl 5 Date: _ November 3, 2025
`g 77
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`Name: Jordan Flournoy
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`Title: Head of Mobile Litigation
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`Representing Samsung Electronics America, Inc.
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`
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`
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`
`
`IPR2026-00083
`U.S. Patent 10,656,906
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`CERTIFICATE OF SERVICE
`
`I certify that on November 3, 2025, I caused a true and correct copy of the
`foregoing Power of Attorney Per 37 C.F.R. § 42.10(b) to be served by overnight
`courier on the correspondence address of record indicated in the Patent Office’s
`Patent Center system for U.S. Patent No. 10,656,906.
`
`David Postolski
`Gearhart Law LLC
`41 River Road, Suite 1A
`Summit, NJ 07901
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`A courtesy copy was also sent via electronic mail to Patent Owner’s litigation
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`counsel listed below:
`
`Alexandra G. White (Iwhite@susmangodfrey.com)
`Chandler A. Langham (clangham@susmangodfrey.com)
`Kelsey Tuohy (ktuohy@susmangodfrey.com)
`Michael Gervais (mgervais@susmangodfrey.com)
`Andres C. Healy (ahealy@susmangodfrey.com)
`Susman Godfrey L.L.P.
`
`401 Union Street, Suite 3000
`Seattle, WA 98101
`
`Dated: November 3, 2025 By: /Douglas Smith/
`Douglas Smith
`Senior Paralegal 11
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