`
`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. 7,412,416 B2
`
`TRADESTATION SECURITIES, lNC.’S POWER OF ATTORNEY
`PURSUANT TO 37 C.F.R. § 42.10(b)
`
`Mail Stop “PA TENT BOA RD ”
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`
`PO. Box 1450
`
`Alexandria, VA 22313-1450
`
`
`
`U.S. Patent No. 7,412,416 B2
`
`Pursuant to 37 C.F.R. § 42.l0(b), Petitioner TradeStation Securities, Inc.,
`
`having a principle place ofbusiness at 8050 SW 10th Street, Suite 2000,
`
`Plantation, FL 33324, hereby appoints the practitioners of Customer Nos. 261 1 1
`
`and 26171 as its attorneys to transact all business in the United States Patent &
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`Trademark Office associated with the covered business method review of U.S.
`
`Patent No. 7,412,416 B2. These attorneys include at least:
`
`Lead Counsel:
`
`Back-up Counsel:
`
`Robert E. Sokohl (Reg. No. 36,013)
`STERNE, KESSLER, GOLDSTEIN & Fox P.L.L.C.
`1 100 New York Avenue, N.W.
`Washington, D.C. 20005
`202.371.2600 (reception)
`202.371.2540 (fascimile)
`
`Lori A. Gordon (Reg. No. 50,633)
`Richard M. Bemben (Reg. No. 68,658)
`STERNE, KESSLER, GOLDSTEIN & Fox P. L.L.C.
`1100 New York Avenue, N.W.
`Washington, D.C. 20005
`202.371.2600 (reception)
`202.371.2540 (fascimile)
`
`John C. Phillips (Reg. No. 35,322)
`FISH & RICHARDSON, L.L.P.
`3200 RBC Plaza, 60 South Sixth Street
`Minneapolis, MN 55402
`858.678.4304 (telephone)
`877.769.7945 (fascimile)
`
`
`
`U.S. Patent No. 7,412,416 B2
`
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`2818102/1.DOCX