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`IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
`In re Inter Partes Review of:
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`U.S. Patent No. 11,122,357
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`Issued: Sept. 14, 2021
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`Application No.: 13/959,708
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`Filing Date: Aug. 5, 2013
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`For: Forming Virtual Microphone Arrays Using Dual Omnidirectional
`Microphone Array (DOMA)
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`FILED VIA P-TACTS
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`PETITIONER’S POWER OF ATTORNEY FOR
`PETITION FOR INTER PARTES REVIEW
`OF U.S. PATENT NO. 11,122,357
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`PETITIONER'S POWER OF ATTORNEY
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`Petitioner Meta Platforms, Inc. (“Petitioner”) hereby appoints the below
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`Practitioners as its attorneys to transact all business before the Patent Trial and
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`Appeal Board of the United States Patent and Trademark Office connected with the
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`Petitions for Inter Partes Review of U.S. Patent No. 11,122,357.
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`Lead Counsel
`Lisa K. Nguyen (Reg. No. 58,018)
`lisa.nguyen@allenovery.com
`Postal & Hand-Delivery Address:
`Allen & Overy LLP
`550 High Street
`Palo Alto, CA 94301
`Telephone: (650) 388-1724
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`Back-Up Counsel
`David M. Tennant (Reg. No. 48,362)
`david.tennant@allenovery.com
`Postal & Hand-Delivery Address:
`Allen & Overy LLP
`1101 New York Ave NW
`Washington, DC 20005
`Telephone: (202) 683-3891
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`Grace I. Wang (Reg. No. 69,892)
`grace.wang@allenovery.com
`Postal & Hand-Delivery Address:
`Allen & Overy LLP
`1221 Avenue of the Americas
`New York, NY 10020
`Telephone: (212) 756-1143
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`Alan Billharz (Reg. No. 79,532)
`alan.billharz@allenovery.com
`Postal & Hand-Delivery Address:
`Allen & Overy LLP
`1101 New York Ave NW
`Washington, DC 20005
`Telephone: (202) 683-3891
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`Colby Davis (Reg. No. 81,575)
`colby.davis@allenovery.com
`Postal & Hand-Delivery Address:
`1101 New York Ave NW
`Washington, DC 20005
`Telephone: (202) 961-9523
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`Eric E. Lancaster (pro hac vice to be filed)
`eric.lancaster@allenovery.com
`Postal & Hand-Delivery Address:
`Allen & Overy LLP
`550 High Street
`Palo Alto, CA 94301
`Telephone: (650) 388-1700
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`Daniel Margolis (pro hac vice to be filed)
`daniel.margolis@allenovery.com
`Postal & Hand-Delivery Address:
`Allen & Overy LLP
`1221 Avenue of the Americas
`New York, NY 10020
`Telephone: (212) 610-6375
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`The individual signing below has the authority to execute this document on
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`behalf of Petitioner Meta Platforms, Inc.
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`Name:
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`Title:
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`Signature:
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`Date:
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`Katherine Brockway
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`Associate General Counsel, IP Litigation
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`June 23, 2023
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