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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`PAYPAL, INC.
`UPWORK GLOBAL INC.
`SHOPIFY, INC.
`SHOPIFY (USA), INC.
`STRAVA INC.
`VALASSIS COMMUNICATIONS, INC.
`RETAILMENOT, INC.
`DOLLAR SHAVE CLUB, INC.
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`Petitioners,
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`v.
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`PERSONALWEB TECHNOLOGIES LLC
`LEVEL 3 COMMUNICATIONS, LLC
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`Patent Owners
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`U.S. PATENT NO. 7,802,310
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`Case IPR2019-TBD
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`PETITIONERS’ POWER OF ATTORNEY
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`Pursuant to 37 C.F.R. § 42.l0(b), PA YPAL, INC., which is a subsidiary of
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`PayPal Holdings, Inc., hereby appoints the following practitioners as its attorneys to
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`transact all business before the Patent Trial & Appeal Board of the United States
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`Patent and Trademark Office in connection with a Petition for Inter Partes Review
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`of U.S. Patent No. 7,802,310:
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`Brent P. Ray (Reg. No. 54,390)
`Brent.Ray@kirkland.com
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`Postal and Hand-Delivery Address:
`KIRKLAND & ELLIS LLP
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`300 N. LaSalle Street
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`Chicago, Illinois 60654
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`Telephone: (312) 862-2608
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`Facsimile: (312) 862-2200
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`Kourtney Baltzer (Reg. No. 65,294)
`Kourtney.Baltzer@kirkland.com
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`Postal and Hand-Delivery Address:
`KIRKLAND & ELLIS LLP
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`300 N. LaSalle Street
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`Chicago, Illinois 60654
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`Telephone: (312) 862-3405
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`Facsimile: (312) 862-2200
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`Nikhil Krishnan (Reg. No. 68,879)
`Nikhil.Krishnan@kirkland.com
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`Postal and Hand-Delivery. Address:
`KIRKLAND & ELLIS LLP
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`300 N. LaSalle Street
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`Chicago, Illinois 60654
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`Telephone: (312) 862-2323
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`Facsimile: (312) 862-2200
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`The individual signing below has the authority to execute this document on
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`behalf of Petitioner Pay Pal, Inc.
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`Date: May 6, 2019
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`Name: Anup Tikku
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`Title: Sr. Dir, AGC, IP Protection, Tech. Trans,
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`M&A, Patent Litigation
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`PayPal, Inc.
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`CERTIFICATE OF SERVICE
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`The undersigned hereby certifies that a copy of the foregoing Petitioners'
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`Power of Attorney was served on May 20, 2019, via FedEx delivery directed to the
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`attorney of record for the patent at the following address:
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`Siritzky Law, PLLC
`Attn: Brian Siritzky, Ph.D.
`1765 Greensboro Station Place, Suite 900
`McLean, VA 22102-3470
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`A copy was also served via electronic mail on the following:
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`masherman@stubbsalderton.com
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`jgersh@stubbsalderton.com
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`sseth@stubbsalderton.com
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`wmonroe@stubbsalderton.com
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`sthompson@stubbsalderton.com
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`vhedrick@stubbsalderton.com
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`ted@maceikoip.com
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`david.wier@level3.com
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`/s/ Brent P. Ray
`Brent P. Ray (Reg. No. 54,390)
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