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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`ERICSSON INC.
`Petitioner,
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`v.
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`KONINKLIJKE KPN N.V.
`Patent Owner.
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`––––––––––
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`Case No. IPR2022-00068
`Patent 9,549,426
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`––––––––––
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`PETITIONER’S POWER OF ATTORNEY
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`DocuSign Envelope ID: 2965F0B7-724F-488E-BE72-EBC7C31E7B1D
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`Petitioner hereby appoints the following practitioners as its attorneys to
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`transact all business in the United States Patent and Trademark Office associated
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`with the above-captioned inter partes review.
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`LEAD COUNSEL
`Chad C. Walters
`BAKER BOTTS L.L.P.
`2001 Ross Ave., Suite 900
`Dallas, TX 75201-2980
`Phone: (214) 953-6511
`Fax: (214) 661-4511
`chad.walters@bakerbotts.com
`USPTO Reg. No. 48,022
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`BACK-UP COUNSEL
`Douglas M. Kubehl
`BAKER BOTTS L.L.P.
`2001 Ross Ave., Suite 900
`Dallas, TX 75201-2980
`Phone: (214) 953-6486
`Fax: (214) 661-4486
`doug.kubehl@bakerbotts.com
`USPTO Reg. No. 41,915
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`Harrison Rich
`BAKER BOTTS L.L.P.
`2001 Ross Ave., Suite 900
`Dallas, TX 75201-2980
`Phone: (214) 953-6896
`Fax: (214) 661-6896
`Harrison.rich@bakerbotts.com
`USPTO Reg. No. 65,132
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`Petitioner also appoints all practitioners associated with Customer Numbers
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`31625 and 05073 of Baker Botts, LLP jointly, and each of them severally, with full
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`power of substitution, delegation, and revocation.
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`2
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`DocuSign Envelope ID: 2965F0B7-724F-488E-BE72-EBC7C31E7B1D
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`The individual signing below has the authority to execute this document on behalf
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`of ERICSSON INC.
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`Signature
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`Name
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`Title
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`Date
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`3
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`DocuSign Envelope ID: 2965F0B7-724F-488E-BE72-EBC7C31E7B1D
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`October 21, 2021
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`Ryan Wirtz
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`Associate General Counsel - Litigation
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