`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`SAMSUNG ELECTRONICS AMERICA, INC.,
`
`Petitioners,
`V.
`
`ZOPHONOS INC,
`
`Patent Owner.
`
`Case IPR2026-00083
`
`U.S. Patent 10,656,906
`
`POWER OF ATTORNEY PER 37 C.F.R. § 42.10(b)
`
`
`
`
`
`
`
`
`W 2025/10/31
`
`Seung Woo Hur
`
`Principal Legal Counsel
`
`
`
`
`
`
`
`
`
`IPR2026-00083
`U.S. Patent 10,656,906
`
`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
`
`A courtesy copy was also sent via electronic mail to Patent Owner’s litigation
`
`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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