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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`Comcast Cable Communications, LLC; Cox Communications, Inc.; Time Warner
`Cable Enterprises LLC; Verizon Services Corp. and ARRIS Group, Inc.
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`Petitioner
`v.
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`TQ Delta, LLC,
`Patent Owner
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`Patent No. 8,718,158
`Filing Date: November 23, 2011
`Issue Date: May 6, 2014
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`Title: SYSTEM AND METHOD FOR SCRAMBLING THE PHASE OF THE
`CARRIERS IN A MULTICARRIER COMMUNICATIONS SYSTEM
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`PETITIONER’S POWER OF ATTORNEY PURSUANT TO 37 C.F.R.
`§ 42.10(b) FOR PETITION FOR INTER PARTES REVIEW
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`Page 1 of 7
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`Petitioners hereby appoint the following practitioners as their 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
`John M. Baird (Reg. No. 57,585)
`Duane Morris LLP
`505 9th St. NW, Ste 1000
`Washington DC 20004
`Tel: 202-776-7819
`Fax: 202-776-7801
`JMBaird@duanemorris.com
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`BACK-UP COUNSEL
`Christopher Tyson (Reg. No. 63,850)
`Duane Morris LLP
`505 9th St. NW, Ste 1000
`Washington DC 20004
`Tel: 202-776-7851
`Fax: 202-776-7801
`CJTyson@duanemorris.com
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`The individuals signing below have the authority to execute this document
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`on behalf of the respective Petitioner.
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`[SIGNATURES ON FOLLOWING PAGES]
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`Page 2 of 7
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`Comcast Cable Communications, LLC
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`BY:
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`/David Marcus/
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`NAME: David Marcus
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`TITLE:
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`Senior Vice President, Deputy General Counsel,
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`Chief Patent Counsel
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`DATE:
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`December 5, 2016
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`Page 3 of 7
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`Cox Communications, Inc.
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`BY:
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`/Stephanie Allen/
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`NAME:
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`Stephanie Allen
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`TITLE:
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`Senior Counsel
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`DATE:
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`December 5, 2016
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`Page 4 of 7
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`Time Warner Cable Enterprises LLC
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`BY:
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`/Kirill Abramov/
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`NAME: Kirill Abramov
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`TITLE:
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`GVP and Associate General Counsel, IP Law
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`DATE:
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`December 5, 2016
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`Page 5 of 7
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`Verizon Services Corp.
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`BY:
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`/Kevin Parton/
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`NAME: Kevin Parton
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`TITLE:
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`Assistant General Counsel
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`DATE:
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`December 5, 2016
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`Page 6 of 7
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`ARRIS Group, Inc.
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`BY:
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`/Robert J Starr/
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`NAME:
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`Robert J Starr
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`TITLE:
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`Senior Counsel – Intellectual Property
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`DATE:
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`December 5, 2016
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`Page 7 of 7