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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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`APPLE INC.,
`Petitioner,
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`v.
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`KOSS CORPORATION,
`Patent Owner.
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`_____________________
`CASE: IPR2021-00255
`U.S. PATENT NO. 10,298,451
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`PATENT OWNER’S UPDATED MANDATORY NOTICES
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`IPR2021-00255
`Patent Owner’s Updated Mandatory Notices
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`Patent Owner, Koss Corporation, submits the following updates to its
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`Mandatory Notices.
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`I.
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`REAL PARTY-IN-INTEREST
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`No change.
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`II. RELATED MATTERS
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`U.S. Patent No. 10,298,451 (“the ’451 Patent”) is currently involved in the
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`following lawsuits: Koss Corporation v. Apple Inc., Case No. 6:20-cv-00665 (W.D.
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`Tex.) and Apple Inc. v. Koss Corporation, Case No. 5:20-cv-05504 (N.D. Cal.).
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`Pending U.S. patent application Serial No. 16/875,351, filed May 15, 2020,
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`claims priority, indirectly through several applications (now patents), to the ’451
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`Patent.
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`The ’451 Patent is also involved in the following inter partes review:
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` IPR2021-00665 IPR2021-00600, filed March 7, 2021.
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`III. LEAD AND BACKUP COUNSEL
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`No change.
`IV. SERVICE INFORMATION
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`No change.
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`Dated: March 11, 2021
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`Respectfully submitted,
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`By:
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`/Mark G. Knedeisen/
`Mark G. Knedeisen (Reg. No. 42,747)
`K&L Gates Center, 210 Sixth Avenue
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`504219417 v2
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`IPR2021-00255
`Patent Owner’s Updated Mandatory Notices
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`Pittsburgh, Pennsylvania 15222
`Tel.: (412) 355-6342
`mark.knedeisen@klgates.com
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`Counsel for Patent Owner
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`504219417 v2
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`IPR2021-00255
`Patent Owner’s Updated Mandatory Notices
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`Certification of Service Under 37 C.F.R. § 42.6(e)(4)
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`I hereby certify that on March 12, 2021, I caused a true and correct copy of
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`the foregoing to be served on the following counsel for Petitioner by electronic mail
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`to the following email address:
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`W. Karl Renner (Reg. No. 41,265)
`Roberto Devoto (Reg. No. 55,108)
`Ryan Chowdhury (Reg. No. 74,466)
`Fish & Richardson P.C.
`3200 RBC Plaza
`60 South Sixth Street
`Minneapolis, MN 55402
`Email: IPR50095-0020IP1@fr.com
`Email: PTABInbound@fr.com
`Email: axf-ptad@fr.com
`Email: devoto@fr.com
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`By:
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`/Mark G. Knedeisen/
`Mark G. Knedeisen (Reg. No. 42,747)
`K&L Gates Center, 210 Sixth Avenue
`Pittsburgh, Pennsylvania 15222
`Tel.: (412) 355-6342
`mark.knedeisen@klgates.com
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`Counsel for Patent Owner
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