`
`IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
`
`––––––––––
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`––––––––––
`
`ERICSSON INC.
`Petitioner,
`
`v.
`
`KONINKLIJKE KPN N.V.
`Patent Owner.
`
`––––––––––
`
`Case No. IPR2022-00557
`Patent 9,667,669
`
`––––––––––
`
`––––––––––
`
`PETITIONER’S POWER OF ATTORNEY
`
`1
`
`
`
`DocuSign Envelope ID: DC324C16-FB33-4939-BF8E-87F1344B76E8
`
`Petitioner hereby appoints the following practitioners as its attorneys to
`
`transact all business in the United States Patent and Trademark Office associated
`
`with the above-captioned inter partes review.
`
`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
`
`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
`
`Jeffery S. Becker
`BAKER BOTTS L.L.P.
`2001 Ross Ave., Suite 900
`Dallas, TX 75201-2980
`Phone: 214-953-6526
`Fax: 214-661-4526
`jeff.becker@bakerbotts.com
`USPTO Reg. No. 68,553
`
`Melissa L. Muenks
`BAKER BOTTS L.L.P.
`2001 Ross Ave., Suite 900
`Dallas, TX 75201-2980
`Phone: (214) 953-6949
`Fax: (214) 661-4949
`melissa.muenks@bakerbotts.com
`USPTO Reg. No. 78,860
`
`2
`
`
`
`DocuSign Envelope ID: DC324C16-FB33-4939-BF8E-87F1344B76E8
`
`Petitioner also appoints all practitioners associated with Customer Numbers
`
`31625 and 05073 of Baker Botts L.L.P. jointly, and each of them severally, with full
`
`power of substitution, delegation, and revocation.
`
`The undersigned has the authority to execute this document on behalf of
`
`ERICSSON INC.
`
`Signature
`
`
`
`Ryan Wirtz
`Name
`
`Associate General Counsel - Litigation
`Title
`
`09 February 2022 | 16:35:41 CET
`
`Date
`
`3
`
`
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