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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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` ERICSSON INC.
`NOKIA OF AMERICA CORPORATION
`Petitioner,
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`v.
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`XR COMMUNICATIONS LLC
`Patent Owner.
`__________________________
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`IPR2024-00613
`Patent 10,715,235
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`PATENT OWNER’S POWER OF ATTORNEY
`PURSUANT TO 37 C.F.R. §42.10(b)
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` IPR2024-00613
`Patent 10,715,235
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`Pursuant to 37 C.F.R. § 42.10(b), Patent Owner XR Communications LLC
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`d/b/a Vivato Technologies hereby appoints the following practitioners as its
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`attorneys to transact all business in the United States Patent & Trademark Office
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`associated with the above-captioned inter partes review proceeding regarding U.S.
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`Patent No. 10,715,235.
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`Lead Counsel
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`Backup Counsel
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`Reza Mirzaie (Reg. No. 69,138)
`Russ August & Kabat
`12424 Wilshire Blvd., 12th Fl.
`Los Angeles, CA 90025
`Phone: (310) 826-7474
`Fax: (310) 826-6991
`rmirzaie@raklaw.com
`rak_vivato@raklaw.com
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`Philip Wang, (Reg. No. 74,621)
`Russ, August & Kabat
`12424 Wilshire Blvd. 12th Floor
`Los Angeles, CA 90025
`Tel.: 310-826-7474
`Fax: 310-826-6991
`pwang@raklaw.com
`rak_vivato@raklaw.com
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`The individual signing below has the authority to execute this document on
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`behalf of XR Communications LLC d/b/a Vivato Technologies.
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`Date: __________, 2024
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`By: __________________________
`Name: Kai Hansen
`Title: Manager, XR Communications LLC d/b/a
`Vivato Technologies
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`April, 24th
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`IPR2024-00613
`Patent 10,715,235
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`CERTIFICATE OF SERVICE (37 C.F.R. § 42.6(e))
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`The undersigned hereby certifies that the above document was served on
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`April 25, 2024, by filing this document through the Patent Trial and Appeal Case
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`Tracking System (P-TACTS) as well as delivering a copy via electronic mail
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`upon the following attorneys of record for the Petitioner:
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`Patrick D. McPherson, Reg. No. 46,255
`Kevin Anderson, Reg. No. 43,471
`901 New York Ave., N.W., Suite 700 East
`Washington, D.C. 20001
`P: (202) 776-7800
`F: (202) 776-7801
`PDMcPherson@duanemorris.com
`KPAnderson@duanemorris.com
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`IPR2024-00613
`Patent 10,715,235
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`Date: April 25, 2024
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`/Reza Mirzaie/
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`RUSS AUGUST & KABAT
`12424 Wilshire Blvd., 12th Fl.
`Los Angeles, CA 90025
`Phone: (310) 826-7474
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`Reza Mirzaie
`Reg. No. 69,138
`Attorney for Patent Owner
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