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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`Twilio Inc.
`Petitioner
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`v.
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`TeleSign Corporation
`Patent Owner
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`U.S. Patent No. 8,462,920
`Filing Date: October 5, 2006
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`TITLE: REGISTRATION, VERIFICATION AND NOTIFICATION SYSTEM
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`
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`Inter Partes Review No.: 2016-00450
`Petition Filed: January 10, 2016
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`PETITIONER'S POWER OF ATTORNEY
`UNDER 37 C.F.R. § 42.10(b)
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`Petitioner, Twilio Inc., hereby appoints the following practitioners as its
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`attorneys to transact all business in the United States Patent & Trademark Office
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`associated with the above captioned Inter Partes Review:
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`LEAD COUNSEL
`Wayne Stacy (Reg. No. 45,125)
`Cooley LLP
`380 Interlocken Crescent, Ste. 900
`Broomfield, CO 80021
`Tel:720-566-4125 Fax:720-566-4099
`wstacy@cooley .com
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`BACK-UP COUNSEL
`Carrie Richey (pro hac vice)'
`Cooley LLP ATTN: Patent Group
`3175 Hanover Street
`Palo Alto, CA 94304-1130
`Tel:650-843-5000
`Fax:650-849-7400
`crichey@cooley .com
`zTwilioiPR@cooley .com
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`Cooley LLP
`ATTN: Patent Group
`1299 Pennsylvania Ave., NW, Suite 700
`Washington, DC 20004
`Tel: (703) 456-8567
`Fax:(202)842-7899
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`Cooley LLP
`ATTN: Patent Group
`1299 Pennsylvania Ave., NW, Suite 700
`Washington, DC 2 0004
`Tel: (720) 566-4119
`Fax: (202) 842-7899
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`The individual signing below has the authority to execute this document on
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`behalf of Petitioner.
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`BY:
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`~----~----~----~-------------
`NAME:
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`TITLE:
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`General Counsel
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`DATE:
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`1 Pro hac vice application to be filed.
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`2
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`CERTIFICATE OF SERVICE
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`I hereby certify pursuant to 37 C.F.R. §§ 42.6(e) that a complete copy of:
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` IPR2016-00450 Patent Owner’s Power of Attorney Under 37 C.F.R. §
`42.10 (b)
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`
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` IPR2016-00450 Certificate of Service
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`are being served via FEDERAL EXPRESS, on the 12th day of January, 2016, the
`same day as the filing of the above-identified documents in the United States
`Patent and Trademark Office (USPTO), upon:
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`
`Stephen Bishop
`Perkins Coie
`1201 Third Avenue, Suite 4900
`Seattle, WA 98101-3099
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` courtesy copy was also served at the following address:
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`Gary Miller
`Counsel for TeleSign Inc.
`Shook, Hardy & Bacon LLP
`111 S. Wacker Dr.
`Chicago, IL 60606
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`/Wayne Stacy/
`Wayne Stacy
`Reg. No. 45,125
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`3
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` A