`
`In re Patent of:
`
`Carlos Aldana et al.
`
`US. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`8,416,862
`April 9, 2013
`111237841
`September 28, 2005
`EFFICIENT FEEDBACK OF CHANNEL INFORMATION IN A CLOSED LOOP
`BEAMFORMING WIRELESS COMMUNICATION SYSTEM
`
`Attorney Docket No.: 18768-0186IPX
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`US Patent and Trademark Office
`PO. Box 1450
`
`Alexandria, VA 22313-1450
`
`PETITIONER’S POWER OF ATTORNEY IN POST GRANT PROCEEDINGS BEFORE THE PATENT
`TRIAL AND APPEAL BOARD
`
`Petitioner, LG Electronics, Inc., hereby appoints the following practitioners as its attorneys to
`
`transact all business in the United States Patent & Trademark Office associated with any inter partes
`
`review, covered business method review, post grant review, or other review proceedings before the Patent
`
`Trial and Appeal Board of the above-captioned patent:
`
`Timothy W. Rifle, Reg. No. 43,881
`
`Stephen A. Marshall
`
`Christopher C. Hoff, Reg. No. 67,738
`
`Jonathan B. Bright
`
`R. Andrew Schwentker, Reg. No. 59,402
`
`and all practitioners associated with PTO Customer Number 26171.
`
`I have the authority to execute this document on behalf of LG Electronics, Inc.
`
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`
`LG ELECTRONICS, INC.
`By: /
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`Name:
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`Date:
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