UNITED STATES PATENT AND TRADEMARK OFFICE
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`SAMSUNG ELECTRONICS CO., LTD., and
`SAMSUNG ELECTRONICS AMERICA, INC.,
`Petitioner
`
`V.
`
`ZOPHONOS INC.,
`Patent Owner
`
`Case IPR2026-00083
`U.S. Patent No. 10,656,906
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`PATENT OWNER’S MANDATORY NOTICES
`PURSUANT TO 37 C.F.R. § 42.8(2)(2)
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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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`Case IPR2026-00083
`U.S. Patent No. 10,656,906
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`Patent Owner Zophonos Inc. (“Patent Owner”) hereby files these mandatory
`notices pursuant to 37 C.F.R. § 42.8(a)(2). These Notices are being timely filed
`within 21 days of service of the Petition.
`
`I. REAL PARTY-IN-INTEREST
`
`The Patent Owner and real party-in-interest is Patent Owner Zophonos Inc.
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`II. RELATED MATTERS
`
`U.S. Patent No. 10,656,906 (“the 906 patent”) is at issue in Zophonos Inc.
`v. Samsung Electronics America, Inc. et al., Case No. 2:25-cv-00752 (E.D. Tex.),
`filed on July 30, 2025.
`
`The *906 patent claims the benefit of U.S. Patent No. 10,127,005.
`
`U.S. Patent Nos. 11,150,868; 11,068,234; 11,262,976; 11,204,736;
`11,900,016; and 11,544,036, and pending U.S. Patent Application No. 18/396,743
`claim the benefit of the 906 patent.
`
`Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc.
`(collectively “Petitioner”) have concurrently filed petitions for inter partes review
`of related U.S. Patent Nos. 11,204,736 (IPR2026-00084) and 11,900,016
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`(IPR2026-00085).
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`Case IPR2026-00083
`U.S. Patent No. 10,656,906
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`III. LEAD AND BACK-UP COUNSEL
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`Lead Counsel for Patent Owner is:
`
`Jason D. Eisenberg (Reg. No. 43,447)
`jasone-PTAB@sternekessler.com
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`STERNE, KESSLER, GOLDSTEIN & FOX PLLC
`1101 K Street, NW, 10th Floor
`Washington, DC 20005
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`(202) 772-8645 (telephone)
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`(202) 371-2540 (facsimile).
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`Back-up Counsel for Patent Owner are:
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`Lestin L. Kenton (Reg. No. 72,314)
`lkenton-PTAB(@sternekessler.com
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`STERNE, KESSLER, GOLDSTEIN & FOX PLLC
`1101 K Street, NW, 10th Floor
`Washington, DC 20005
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`(202) 772-8594 (telephone)
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`(202) 371-2540 (facsimile); and
`
`Kristina Caggiano Kelly (Reg. No. 58,164)
`kckelly-PTAB@sternekessler.com
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`STERNE, KESSLER, GOLDSTEIN & FOX PLLC
`1101 K Street, NW, 10th Floor
`Washington, DC 20005
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`(202) 772-8524 (telephone)
`
`(202) 371-2540 (facsimile).
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`Case IPR2026-00083
`U.S. Patent No. 10,656,906
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`IV. SERVICE INFORMATION
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`Please address all correspondence to the lead and back-up counsel as shown
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`above. Patent Owner consents to electronic service by e-mail at all of the e-mail
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`addresses listed above and PTAB@sternekessler.com.
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`Date: November 24, 2025
`
`1101 K Street, NW, 10th Floor
`Washington, DC 20005
`(202) 371-2600
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`Respectfully submitted,
`
`STERNE, KESSLER, GOLDSTEIN & FOxX PLLC
`/Jason D. Eisenberg/
`
`Jason D. Eisenberg
`
`Registration No. 43,447
`Lead Attorney for Patent Owner
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`Case IPR2026-00083
`U.S. Patent No. 10,656,906
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`CERTIFICATE OF SERVICE (37 C.F.R. § 42.6(e))
`
`I certify that the above-captioned PATENT OWNER’S MANDATORY
`NOTICES PURSUANT TO 37 C.F.R. § 42.8(a)(2) was served in its entirety on
`November 24, 2025, upon the following parties via electronic mail:
`
`Ali R. Sharifahmadian (Lead Counsel)
`Jeffrey Miller (Back-up Counsel)
`Patrick Reidy (Back-up Counsel)
`
`Mark A. Patrick (Back-up Counsel)
`Kyle Tsui (Back-up Counsel)
`Ruifeng Pu (Back-up Counsel)
`ARNOLD & PORTER KAYE SCHOLER LLP
`ali.sharifahmadian@arnoldporter.com
`jeffrey.miller@arnoldporter.com
`patrick.reidy(@arnoldporter.com
`mark.patrick@arnoldporter.com
`kyle.tsui@arnoldporter.com
`ruifeng.pu@arnoldporter.com
`xSamsungZophonosIPRs@arnoldporter.com
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`Respectfully submitted,
`
`STERNE, KESSLER, GOLDSTEIN & FOxX PLLC
`/Jason D. Eisenberg/
`
`Jason D. Eisenberg
`
`Registration No. 43,447
`
`Lead Attorney for Patent Owner
`Date: November 24, 2025
`
`1101 K Street, NW, 10th Floor
`Washington, DC 20005
`(202) 371-2600
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`25910617.1
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