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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`____________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`____________
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`TRADESTATION GROUP INC.,
`TRADESTATION SECURITIES, INC., IBG LLC, and INTERACTIVE
`BROKERS LLC.,
`Petitioner,
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`v.
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`TRADING TECHNOLOGIES INTERNATIONAL, INC.,
`Patent Owner.
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`____________
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`
`Case CBM2015-001721
`Patent No. 7,783,556 B1
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`___________
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`PETITIONER’S UPDATED POWER OF ATTORNEY
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`
`1 Case CBM2016-00040 has been joined with this proceeding.
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`

`

`Case CBM2015-00172
`Attorney Docket No. 41919-0002CP1
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`Petitioners TradeStation Group, Inc. and TradeStation Securities, Inc. hereby
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`enclose an updated Power of Attorney, adding Adam Kessel (Pro Hac Vice
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`Admission), Michael T. Rosato, Matthew A. Argenti and Robert E. Sokohl.
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`Dated: May 24, 2016
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`Respectfully submitted,
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` By: /John C. Phillips/
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`John C. Phillips, Reg. No. 35,322
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`Fish & Richardson, P.C.
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`Attorney for Petitioners
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`1
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`Case CBM2015-00172
`Attorney Docket No. 41919-0002CP1
`CERTIFICATE OF SERVICE
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`Pursuant to 37 CFR §§ 42.6(e)(4) and 42.205(b), the undersigned certifies
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`that on May 24, 2016, a complete and entire copy of this Petitioner’s Updated
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`Power of Attorney was provided via email to the Patent Owner by serving the
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`correspondence address of record as follows:
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`Erika H. Arner
`Joshua L. Goldberg
`Kevin D. Rodkey
`Rachel L. Emsley
`Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
`2 Seaport Lane, 6th Floor
`Boston, MA 02210-2001
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`Steven F. Borsand
`Trading Technologies International, Inc.
`222 South Riverside Plaza, Suite 1100
`Chicago, IL 60606
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`Michael D. Gannon
`Leif R. Sigmond, Jr.
`McDonnell Boehnen Hulbert & Berghoff LLP
`300 South Wacker Drive
`Chicago, Illinois 60606
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`Email: Trading-Tech-CBM@finnegan.com
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`/Diana Bradley/
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`Diana Bradley
`Fish & Richardson P.C.
`60 South Sixth Street, Suite 3200
`Minneapolis, MN 55402
`(858) 678-5667
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`

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