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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`In re U.S. Patent No. 7,840,486
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`Case No.: IPR To be assigned
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`Attorney Docket No. 070457.2793
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`Inventor: John D 'Agostino
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`Filed: October 17, 2005
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`Issued: November 23, 2010
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`Title: System and Method for Performing
`Secure Credit Card Transactions
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`Mail Stop PATENT BOARD
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, Virginia 22313-1450
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`PETITIONER'S POWER OF ATTORNEY
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`Petitioner MasterCard International Incorporated ("MasterCard") hereby appoints the
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`following practitioners as its attorneys to transact all business in the United States Patent and
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`Trademark Office associated with MasterCard's Petition for Inter Partes Review ofU.S. Patent
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`No. 7,840,486:
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`Robert Scheinfeld
`Reg. No. 31,300
`30 Rockefeller Plaza, 44th Floor
`New York, New York 10112-4498
`Phone: (212) 408-2512
`Facsimile: (212) 408-2501
`robert:.scheinfeld@bakerbotts.com
`
`Eliot Williams
`Reg. No. 50,822
`30 Rockefeller Plaza, 44th Floor
`New York, New York 10112-4498
`Phone: (212) 408-2563
`Facsimile: (212) 408-2501
`eliot.williams@bakerbotts.com
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`Petitioner also grants a full power of attorney to practitioners associated with the
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`Customer Number 21003 to transact all business in the United States Patent and Trademark
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`Office associated with the above identified Inter Partes Review.
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`
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`Petition for Inter Partes Review ofU.S. Pat. No. 7,840,486
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`The individual signing below has the authority to execute this document on behalf of
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`Petitioner.
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`Petitioner MasterCard International Incorporated
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`Signature:
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`.. "c_, _7--__ -- - -D a t e :
`--+-(!-:-/ __ -=--~--_C_,'--_-l5_
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`Name:
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`Title:
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`Colm J. Oobbyn
`Senior Vice President &
`Associate General Counsel
`
`-2-
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`