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`U.S. Patent No. 8,755,376
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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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`TELESIGN CORPORATION
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`Petitioner,
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`V.
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`TWILIO INC.
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`Patent Owner
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`Case IPR2017-01977
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`Patent 8,755,376
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`PATENT OWNER’S POWER OF ATTORNEY
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`UNDER 37 C.F.R. § 42.1mm
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`
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`Petition for Inter Partes Review of
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`US. Patent No. 8,755,376
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`Pursuant to 37 C.F.R. § 42.10(b), Patent Owner Twilio Inc. (“Twilio”)
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`hereby appoints the following practitioners as its attorneys to transact all business
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`in the United States Patent and Trademark Office associated with the above-
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`captioned inter partes review:
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`Lead Counsel
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`E
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`Back-up Counsel
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`Sarah J. Guske (Pro Hac Vice)
`Wayne Stacy
`BAKER BOTTS L.L.P.
`Reg. No. 45,125
`101 California Street, Suite 3600
`BAKER BOTTS L.L.P.
`San Francisco, CA 94111
`101 California Street, Suite 3600
`Phone: (415) 291-6205
`San Francisco, CA 94111
`Facsimile: (415) 291—6305
`Phone: (415) 291-6206
`Facsimile: (415) 291.6306
`E-mail: sarah.guske@bakerbotts.com
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`E-mail: wayne.stacy@bakerbotts.com
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`
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`Michelle Jacobson Eber
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`Reg. No. 67,338
`BAKER BOTTS L.L.P.
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`910 Louisiana Street
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`Houston, TX 77002—4995
`Phone: (713) 229- 1223
`Facsimile: (713) 229-7923
`E—mail: michelle.eber@bakerbotts.com
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`Jay B. Schiller (Pro Hac Vice)
`BAKER BOTTS L.L.P.
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`101 California Street, Suite 3600
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`San Francisco, CA 94111
`Phone: (415) 291-6223
`Facsimile: (415) 291—6307
`E-mail: jay.schiller@bakerbotts.com
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`l
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`The individual signing below has the authority to execute this document on
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`behalf of Patent Owner.
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`
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`Petition for Inter Partes Review of
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`US. Patent No. 8,755,376
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`Patent Owner: TWILIO INC.
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`Signature: % we: qt 357 /7
`Name:
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`51M t' {4"
`Title:
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`