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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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`VALVE CORPORATION,
`Petitioner,
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`V.
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`IMMERSION CORPORATION,
`Patent Owner.
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`Case No. TBD
`Patent No. 8,749,507
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`POWER OF ATTORNEY
`PURSUANTTO 37 C.F.R. § 42.10(B)
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`In accordance with 37 C.F.R. § 42.10(b), Petitioner Valve Corporation
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`hereby appoints:
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`Richard F. Giunta (Registration No. 36,149)
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`Adam R. Wichman (Registration No. 43,988)
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`Nathan R. Speed, pending admission pro hac vice
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`and all practitioners associated with USPTO Customer Number 23628
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`of Wolf, Greenfield & Sacks, P.C., 600 Atlantic Avenue, Boston, Massachusetts
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`02210, United States of America,as its attorneys to transactall business before the
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`United States Patent and Trademark Office associated with the Inter Partes
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`Review of U.S. Patent No. 8,749,507.
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`I have authority to sign this documenton behalf of Valve Corporation.
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`Respectfully,
`Valve Corporation
`BPG
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`Date: 5 C
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`
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`Name: Cheis Scherek
`Title: Deputy (-e-rta| Csarse
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`
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`CERTIFICATE OF SERVICE UNDER 37 C.F.R. § 42.6 (E)(4)
`I certify that on February 7, 2024, I will cause a copy of the foregoing
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`document, including any exhibits or appendices filed therewith, to be served via
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`Overnight FedEx at the following correspondence address of record for the patent:
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`MILES & STOCKBRIDGE P.C.
`Immersion Corporation
`1751 Pinnacle Drive
`Suite 1500
`Tysons Corner, VA 22102-3833
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`Date: February 7, 2024
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`/MacAulay Rush/
`MacAulay Rush
`Paralegal
`WOLF, GREENFIELD & SACKS, P.C.
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`