`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`IBG LLC,
`INTERACTIVE BROKERS LLC,
`CQG, INC.,
`CQGT, LLC,
`Petitioners
`
`V.
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`TRADING TECHNOLOGIES INTERNATIONAL, INC.
`Patent Owner
`
`Patent No. 7,685,055
`
`CQG, INC.
`POWER OF ATTORNEY PURSUANT TO 37 C.F.R. §42.10(b)
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`Mail Stop “PA TENT BOARD”
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`
`P.O. Box 1450
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`Alexandria, VA 22313-1450
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`
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`U.S. Patent No. 7,685,055
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`Pursuant to 37 C.F.R. § 42.10(b), Petitioner CQG, Inc., having a principal
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`place of business at Independence Plaza, 1050 17th St., Suite 2000, Denver, CO
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`80265, hereby appoints the practitioners of Customer No. 26111 as its attorneys to
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`transact all business in the United States Patent & Trademark Office associated
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`with the covered business method review of U.S. Patent No. 7,685,055. These
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`attorneys include at least:
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`Robert E. Sokohl (Reg. No. 36,013)
`Lead Counsel:
`Back—up Counsel: Lori A. Gordon (Reg. No. 50,633)
`Richard Bemben (Reg. No. 68,658)
`
`ph: 202.772.8677
`ph: 202.772.8862
`ph: 202.772.8549
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`Address:
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`STERNE, KESSLER, GOLDSTEIN & Fox P.L.L.C.
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`1100 New York Avenue, NW
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`Washington, DC 20005
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`202.371.2600 (reception)
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`202.371.2540 (facsimile)
`rsokohl-PTAB@skgf.com
`lgordon-PTAB@skgf.com
`
`rbemben-PTAB@skgf.com
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`FOR:
`
`CQG, Inc.
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`SIGNATURE:
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`BY:
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`TITLE:
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`DATE: Oiffizflflji