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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: IPR2021-00381
`U.S. PATENT NO. 10,491,982
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`PATENT OWNER UPDATED MANDATORY NOTICES
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`IPR2021-00381
`Patent Owner 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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`Pending U.S. patent application Serial No. 17/649,928, filed February 4, 2022,
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`claims priority indirectly to PCT application No. PCT/US2009/039754.
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`Dated: February 28, 2022
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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
`Pittsburgh, Pennsylvania 15222
`Tel.: (412) 355-6342
`mark.knedeisen@klgates.com
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`Counsel for Patent Owner
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`IPR2021-00381
`Patent Owner 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 February 28, 2022, 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
`David Holt
`Seth Sproul
`Fish & Richardson P.C.
`3200 RBC Plaza
`60 South Sixth Street
`Minneapolis, MN 55402
`Email: IPR50095-0019IP1@fr.com
`Email: PTABInbound@fr.com
`Email: axf-ptab@fr.com
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`Jennie Hartjes
`Michael Pieja
`Goldman Ismail Tomaselli Brennan &
`Baum LLP
`200 South Wacker Drive, 22nd Floor
`Chicago, IL 60606
`jhartes@goldmanismail.com
`mpieja@goldmanismail.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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