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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`HEWLETT PACKARD ENTERPRISE CO.,
`ARUBA NETWORKS, LLC,
`CISCO SYSTEMS, INC.,
`APPLE INC.
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`Petitioners,
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`- vs. -
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`BillJCo, LLC,
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`Patent Owner.
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`PETITIONERS' POWER OF ATTORNEY
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`
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`DocuSign Envelope ID: 7OO90EDA-2FD9-4F5E-8A21-409A8435C97 4
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`IPR2022-00426
`U.S. Patent No. 8,761,804
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`Pursuant to 3 7 C.F .R. § 42.10, Petitioners Hewlett Packard Enterprise
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`Company and Aruba Networks, LLC hereby appoint the following counsel as their
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`attorneys to prosecute the aforementioned proceeding, and to transact all business in
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`the United States Patent and Trademark Office connected therewith. Please
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`recognize the correspondence address (including any electronic mail address) for the
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`above-identified inter partes review proceeding number to be the address associated
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`with the appointed lead and backup counsel.
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`Lead Counsel
`Andrew R. Sommer
`USPTO Reg. No. 53,932
`sommera@gtlaw.com
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`Greenberg Traurig, LLP
`1750 Tysons Boulevard
`Suite 1000
`McLean, VA 22102
`Phone: 703-749-1370
`Fax: 703-749-1301
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`Backup Counsel
`Rose Cordero Prey (pro hac
`vice forthcoming)
`preyr@gtlaw.com
`
`Greenberg Traurig, LLP
`One Vanderbilt A venue
`New York, NY 10017
`Phone: 212-801-6473
`Fax: 212-801-6400
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`Elana B. Araj
`USPTO Reg. No. 75,804
`araje@gtlaw.com
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`Greenberg Traurig, LLP
`One Vanderbilt Avenue
`New York, NY 10017
`Phone: 212-801-6566
`Fax: 212-801-6200
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`Kathryn E. Albanese
`USPTO Reg. No. 78,153
`albanesek@gtlaw.com
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`Greenberg Traurig, LLP
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`
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`DocuSign Envelope ID: 7OO90EDA-2FD9-4F5E-8A21-409A8435C97 4
`
`IPR2022-00426
`U.S. Patent No. 8,761 ,804
`
`One Vanderbilt Avenue
`New York, NY 10017
`Phone: 212-801-6533
`Fax: 212-801-6200
`
`The individual signing below has the authority to execute this document on
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`behalf of Petitioners.
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`Executed on the~ day of January, 2022
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`For Hewlett Packard Enterprise Co.
`and Aruba Networks, LLC
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`DocuSigned by:
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`IMS~ U~~
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`EToEC3068454B8 ...
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`vaishali udupa
`N ame: - - - - - - - - -
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`
`
`Title: VP, AGC IP Li ti gati on
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`