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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`SHOPIFY, INC.,
`Petitioner
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`v.
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`DDR HOLDINGS, LLC,
`Patent Owner
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`Case IPR2018-01008
`U.S. Patent 9,639,876
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`PATENT OWNER POWER OF ATTORNEY
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`Patent Owner designates Louis J. Hoffman, the attorney of record in the
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`subject patent of the above-captioned proceeding, as its lead counsel in this matter,
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`and hereby provides Power of Attorney to attorney Justin Lesko (Reg. No. 69,643),
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`to transact all business as its back-up counsel in the United States Patent &
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`Trademark Office in connection with the above-captioned proceeding. The
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`undersigned represents that he has the authority to execute this document on behalf
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`of Patent Owner.
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`Case No. IPR2018-01008
`U.S. Patent 9,639,876
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`DDR HOLDINGS, LLC
`Patent Owner
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`By:
`Name: Daniel D. Ross
`Title: Managing Director
`Date: May 23, 2018
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`CERTIFICATE OF SERVICE (37 C.F.R. § 42.6(e)(1))
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`The undersigned hereby certifies that on May 23, 2018, a complete and correct
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`copy of the foregoing PATENT OWNER POWER OF ATTORNEY was served via
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`electronic mail on the following counsel of record for Petitioners:
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`Michael J. McNamara (Reg. No. 52,017)
`MINTZ, LEVIN, COHN, FERRIS,
`GLOVSKY AND POPEO, PC
`One Financial Center
`Boston, MA 02111
`DDR_IPR_Service@mintz.com
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`
` /Louis J. Hoffman/
`Louis J. Hoffman, Reg. No. 38,918
`LOUIS J. HOFFMAN, P.C.
`7689 East Paradise Lane
`Suite 2
`Scottsdale, Arizona 85260
`Louis@valuablepatents.com
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`2
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