Petition for Covered Business Method Patent Review of
`U.S. Patent No. 9,300,792 B2
`
`UNITED STATES PATENT AND TRADEMARK OFFICE
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`Twilio Inc.
`
`Petitioner
`
`V.
`
`Telesign Corporation
`Patent Owner
`
`Patent No. 9,300,792 B2
`Filing Date: April 3, 2015
`Issue Date: March 26, 2016
`
`Title: REGISTRATION, VERIFICATION AND NOTIFICATION SYSTEM
`
`PETITIONER’S POWER OF ATTORNEY
`UNDER 37 C.F.R._§ 42.10(_b)
`
`
`
`Karyn Smith
`
`General Counsel
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