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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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`CLOUDFLARE, INC.,
`Petitioner,
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`v.
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`SABLE NETWORKS, INC.,
`Patent Owner,
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`Case IPR2021-00909
`Patent 8,243,593
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`NOTICE OF DEPOSITION OF
`CHRIS BUTLER
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`In accordance with 37 C.F.R. § 42.53(d), Patent Owner Sable Networks, Inc.
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`hereby provides notice to Petitioner Cloudflare, Inc. that the deposition of Chris
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`Butler will be held beginning on Friday, February 25, 2022 at 9:00 am Pacific
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`Time and continuing thereafter, weekends and holidays excepted, until completed.
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`By agreement of the Parties, the deposition shall take place via video conference.
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`The deposition will be recorded by audio and stenographic means, before a duly
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`qualified officer authorized to administer oaths.
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`Respectfully submitted,
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`____/ Kenneth J. Weatherwax /_________
`Kenneth J. Weatherwax, Reg. No. 54,528
`LOWENSTEIN & WEATHERWAX LLP
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`Date: February 16, 2022
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`- 1 -
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`CERTIFICATE OF SERVICE
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`The undersigned hereby certifies that the following documents were served
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`by electronic service on the date signed below:
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`NOTICE OF DEPOSITION OF
`CHRIS BUTLER
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`The names and address of the parties being served are as follows:
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`James L. Day
`Daniel Callaway
`Winston Liaw
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`jday@fbm.com
`dcallaway@fbm.com
`wliaw@fbm.com
`calendar@fbm.com
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`Respectfully submitted,
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` / Keith Moore /
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`Date: February 16, 2022
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