`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`TWITTER INC, Petitioner,
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`V.
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`YOUTOO
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`TECHNOLOGIES, LLC,
`Patent Owner.
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`Case IPRZO 17—01 131
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`US. Patent No. 8,464,304
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`PATENT OWNER’S POWER OF ATTORNEY
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`
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`Case IPR2017—0113l
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`Patent 8,464,304
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`Pursuant to 37 CPR. § 4210(1)), Youtoo Technologies, LLC, the Patent
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`Owner, hereby appoints the following backup counsel in the United States
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`Patent and Trademark Office associated with the above—captioned Petition for
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`Inter Partes Review of US. Patent No. 8,464,304:
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`Stephen L. Levine (Reg. No. 33,413)
`Carrington, Coleman, Sloman & Blumenthal, L.L.P.
`901 Main Street, Suite 5500
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`Dallas, Texas 75202
`Phone: 214—855~3025
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`Fax: 214—855—1333
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`The individual signing below has the authority to execute this document on
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`behalf of Youtoo Technologies, LLC.
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`YOUTOO TECHNOLOGIES, LLC
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`By.
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`
`Name: StephenE. ShafeW‘
`Title: CEO/¢¢4/m;,7x,
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`Date: Apri 21, 2017
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`
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`Case IPR2017-01131
`Patent 8,464,304
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`CERTIFICATE OF SERVICE
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`Pursuant to 37 C.F.R. § 42.6(e), I certify that I caused to be served on the
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`counsel for Petitioner a true and correct copy of the foregoing “Patent Owner’s
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`Power of Attorney” by electronic means on April 21, 2017 at the following email
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`addresses of record:
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`!!
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`!!!
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`Dated: April 21, 2017
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`
`
`/Spencer C. Patterson/
`Spencer C. Patterson (Reg. No. 43,849)
`Grable Martin Fulton PLLC
`1914 Skillman St., Ste. 110-144
`Dallas, TX 75206 Tel.:
`(214) 396-8601
`Fax.: (214) 988-0775
`
`Lead Counsel
`Todd M. Siegel
`KLARQUIST SPARKMAN, LLP
`121 SW Salmon Street, Suite 1600,
`Portland, Oregon, 97204
`Tel: 503-595-5300
`Fax: 503-595-5301
`todd.siegel@klarquist.com
`
`Backup Counsel
`Andrew M. Mason
`KLARQUIST SPARKMAN, LLP
`121 SW Salmon Street, Suite 1600,
`Portland, Oregon, 97204
`Tel: 503-595-5300
`Fax: 503-595-5301
`andrew.mason@klarquist.com
`
`Robert T. Cruzen
`KLARQUIST SPARKMAN, LLP
`121 SW Salmon Street, Suite 1600,
`Portland, Oregon, 97204
`Tel: 503-595-5300
`Fax: 503-595-5301
`rob.cruzen@klarquist.com
`
`