`
`_____________________
`
`
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`_____________________
`
`
`
`IBG LLC,
`INTERACTIVE BROKERS LLC,
`TRADESTATION GROUP, INC.,
`TRADESTATION SECURITIES, INC.,
`Petitioners
`
`v.
`
`TRADING TECHNOLOGIES INTERNATIONAL, INC.
`Patent Owner
`
`____________________
`
`Patent No. 7,212,999
`_____________________
`
`
`
`IBG LLC’S
`POWER OF ATTORNEY PURSUANT TO 37 C.F.R. § 42.10(b)
`
`
`
`Mail Stop “PATENT BOARD”
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
`
`
`
`
`
`U.S. Patent No. 7,212,999
`
`Pursuant to 37 C.F.R. § 42.l0(b), Petitioner IBG LLC, having a principle
`
`place of business at One Pickwick Plaza, Greenwich, CT 06830, hereby appoints
`
`the practitioners of Customer No. 26111 as its attorneys to transact all business in
`
`the United States Patent & Trademark Office associated with the covered business
`
`method review of U.S. Patent No. 7,212,999. These attorneys include at least:
`
`Lead Counsel:
`
`Back—up Counsel:
`
`Robert E. Sokohl (Reg. No. 36,013)
`Lori A. Gordon (Reg. No. 50,633)
`Richard M. Bemben (Reg. No. 68,658)
`
`ph: 202.772.8677
`ph: 202.772.8862
`ph: 202.772.8549
`
`Address:
`
`STERNE, KESSLER, GOLDSTEIN & Fox P.L.L.C.
`1100 New York Avenue, N.W.
`
`Washington, D.C. 200005‘
`202.371.2600 (reception)
`202.371.2540 (fascimile)
`rsokohl—PTAB@skgf.com
`lgordon—PTAB @skgf.com
`rbemben-PTAB @skgf.com
`
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`2764049_1.DOCX