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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`____________________________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`____________________________
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`CISCO SYSTEMS, INC.,
`Petitioner,
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`v.
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`ORCKIT CORPORATION,
`Patent Owner.
`____________________________
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`Case IPR2023-00554
`U.S. Patent No. 10,652,111
`____________________________
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`PETITIONER’S MOTION TO
`WITHDRAW BACK-UP COUNSEL
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`Pursuant to the Board’s authorization by email on January 5, 2024 and 37
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`C.F.R. 42.10(e), Petitioner Cisco Systems, Inc. (“Petitioner”) submits this motion to
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`withdraw Daniel W. McDonald (Registration No. 32,044) as back-up counsel for
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`Petitioner.
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`Petitioner files this motion because Mr. McDonald retired from the practice
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`of law on December 31, 2023. As such, Mr. McDonald can no longer serve as back-
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`up counsel for Petitioner. There will be no prejudice to the rights of Petitioner as a
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`result of the withdrawal of Mr. McDonald because the undersigned will continue to
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`serve as lead counsel for Petitioner. Lead counsel is up to speed on all issues, and
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`there will be no delay in any scheduled filings in this proceeding.
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`Patent Owner Orckit Corporation does not oppose this motion.
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`If this motion is granted, Petitioner will file updated Mandatory Notices
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`reflecting that Mr. McDonald is no longer back-up counsel.
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`Respectfully submitted,
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`/Jeffrey D. Blake/
`Jeffrey D. Blake
`Registration No. 58,884
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`Date: January 5, 2024
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`CERTIFICATE OF SERVICE
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`The undersigned certifies that service was made on the Patent Owner as
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`detailed below:
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`Date of service
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`January 5, 2024
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`Manner of service
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`Petitioner’s Motion To Withdraw Back-up
`Counsel
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`James Carmichael
`Stephen McBride
`Mitch Yang
`Carmichael IP, PLLC
`8607 Westwood Center Drive
`Suite 270, Tysons Corner, VA 22182
`jim@carmichaelip.com
`stevemcbride@carmichaelip.com
`mitch@carmichaelip.com
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`/Jeffrey D. Blake/
`Jeffrey D. Blake
`Registration No. 58,884
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`Documents served
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`Persons served
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