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Signature Systems LLC

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American Express Company American Express Travel Related Services Company America Express Travel Related Services Company

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American Express Company v. Signature Systems LLC

CBM2018-00035 | Patent Trial and Appeal Board

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Filed April 23, 2018

Terminated Oct. 30, 2019

Judges Christopher Kaiser, Frances Ippolito, and James Tartal

Case Type Covered Business Method Patent Review

Status Final Written Decision

Challenged Patent 13/553,437

Patent No. 8,423,402 assignments

Tech Center 3600

Art Unit 3684

Inventors Richard Postrel

Last Updated: 2 months ago

Filing Date	#	Filing and Exhibits
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American Express Company v. Signature Systems LLC

CBM2018-00035 | Patent Trial and Appeal Board

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