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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`––––––––––––––––––
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`––––––––––––––––––
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`RIOT GAMES, INC.,
`Petitioner,
`
`v.
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`PALTALK HOLDINGS, INC.,
`Patent Owner.
`
`––––––––––––––––––
`Case No. IPR2018-00131
`U.S. Patent No. 6,226,686
`––––––––––––––––––
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`PETITIONER’S POWER OF ATTORNEY
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`
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`Pursuant to 37 C.F.R. § 42.10(b), Riot Games, Inc., hereby appoints:
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`Lead Counsel
`Joseph A. Micallef
`Reg. No. 39,772
`SIDLEY AUSTIN LLP
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`Backup Lead Counsel
`Samuel A. Dillon
`Scott M. Border
`Pro Hac Vice to be Req’d Reg. No. 65,197
`SIDLEY AUSTIN LLP
`SIDLEY AUSTIN LLP
`
`(202) 736-8298
`
`1501 K Street, NW.
`1501 K Street, NW.
`Washington, DC 20005 Washington, DC 20005
`jmicallef@sidley.com sborder@sidley.com
`(202) 736-8492
`(202) 736—88 18
`
`1501 K Street, NW.
`Washington, DC 20005
`samuel.dillon@sidley.com
`
`as its representatives to act on its behalf in the above-identified proceeding, with
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`full power to appoint an associate agent, and to transact all business in the United
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`States Patent and Trademark Office in connection therewith.
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`1 have authority to sign this document on behalf of Riot Games, Inc.
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`Signature:
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`/4:/_” (gag/f
`
`Date:
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`£12 14211?
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`Name: Bill Chang
`
`Title: Principal Counsel
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`
`
`IPR2018-00131
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`Petitioner’s Power of Attorney
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`CERTIFICATE OF SERVICE
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`Pursuant to 37 C.F.R. § 42.6(e), I hereby certify that on this 2nd day of
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`November, 2017, I caused to be served a true and correct copy of the foregoing
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`by Federal Express on the following counsel:
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`Kelley Drye & Warren LLP
`One Jefferson Road
`Parsippany NJ 07054
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`PalTalk Holdings, Inc.
`213 West 35th Street, 13th Floor
`New York, NY 10001
`
`Matthew J.M. Prebeg
`Matthew S. Compton, Jr
`Prebeg, Faucett & Abbott PLLC
`8441 Gulf Freeway, Suite 307
`Houston, Texas 77017
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`John G. Day
`Andrew C. Mayo
`500 Delaware Avenue, 8th Floor
`P.O. Box 1050
`Wilmington, DE 19801
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`Dated: November 2, 2017
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`Respectfully Submitted,
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`/Joseph A. Micallef/
`Joseph A. Micallef
`Reg. No. 39,772
`SIDLEY AUSTIN LLP
`1501 K Street, N.W.
`Washington, DC 20005
`jmicallef@sidley.com
`(202) 736-8492
`Attorney for Petitioner
`
`