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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`FACEBOOK, INC and WHATSAPP INC.,
`Petitioners
`v.
`UNILOC LUXEMBOURG S.A.
`Patent Owner
`
`Case IPR2018-00747
`U.S. Patent 7,535,890
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`PATENT OWNER POWER OF ATTORNEY
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`Pursuant to 37 CFR § 42.10(b), a Power of Attorney is submitted herewith. Patent Owner
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`Uniloc Luxembourg S.A. hereby appoints the following practitioners as its attorneys to transact all
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`business in the United States Patent and Trademark Office associated with inter partes review of U.S.
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`Patent No. 7,535,890:
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`Lead Counsel
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`Back-up
`Counsel
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`Back-up
`Counsel
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`Back-up
`Counsel
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`Back-up
`Counsel
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`Patent Owner’s Lead and Back-up Counsel
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` Ryan Loveless (Reg. No. 51,970)
` Etheridge Law Group
` 2600 E. Southlake Blvd., Ste. 120-324
` Southlake, TX 76092
`ryan@etheridgelaw.com
`972-292-8303
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` Sean D. Burdick (Reg. No. 51,513)
` Uniloc USA, Inc.
` 7160 Dallas Parkway, Ste. 380
` Plano, TX 75024
` sean.burdick@unilocusa.com
` 972-905-9580
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` Brett Mangrum (Reg. No. 64,783)
` Etheridge Law Group
` 2600 E. Southlake Blvd., Ste. 120-324
` Southlake, TX 76092
` brett@etheridgelaw.com
` 469-401-2659
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` James Etheridge (Reg. No. 37,614)
` Etheridge Law Group
` 2600 E. Southlake Blvd., Ste.120-324
` Southlake, TX 76092
`jim@etheridgelaw.com
` 817-470-7249
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`Jeffrey Huang (Reg. No. 68,639)
`Etheridge Law Group
`2600 E. Southlake Blvd., Ste. 120-324
`Southlake, TX 76092
`jeff@etheridgelaw.com
`972-292-8303
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`The individual signing below has the authority to execute this document on behalf of
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`Patent Owner Uniloc Luxembourg S.A and licensee Uniloc USA. Inc.
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`Respectfully submitted,
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`Sean D. Burdick, Reg. No. 51,513
`Uniloc USA, Inc.
`7160 N. Dallas Parkway, Suite 380
`Plano, Texas 75024
`972-905-9580 x227 (direct)
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`CERTIFICATE OF SERVICE
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`I certify that the foregoing POWER OF ATTORNEY was served this date
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`on the Petitioner’s counsel of record:
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`
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`Heidi L. Keefe, Reg. No. 40,673; hkeefe@cooley.com
`Phillip E. Morton, Reg. No. 57,835; pmorton@cooley.com
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`Date: March 26, 2018
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`/s/ Brett A. Mangrum
` Brett A. Mangrum
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`