IP Verse

American Express competitive analysis

Latest PTAB cases involving American Express

Discover the latest PTAB cases involving American Express, highlighting their recent legal challenges and patent disputes.

Last updated on: Feb 2, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving American Express

CBM2018-00035Apr 23, 2018AMERICAN EXPRESSSIGNATURE SYSTEMSFinal Written Decision
IPR2017-00797Jan 28, 2017AMERICAN EXPRESS TRAVEL RELATED SERVICESGRECIATerminated
IPR2017-00799Jan 28, 2017AMERICAN EXPRESS TRAVEL RELATED SERVICESGRECIATerminated
IPR2017-00801Jan 28, 2017AMERICAN EXPRESS TRAVEL RELATED SERVICESGRECIATerminated
CBM2015-00153Jun 12, 2015AMERICAN EXPRESSSIGNATURE SYSTEMSInstitution Denied
CBM2015-00098Mar 6, 2015AMERICAN EXPRESSMAXIM INTEGRATED PRODUCTSTerminated-Settled
CBM2014-00050Dec 19, 2013AMERICAN EXPRESSMETASEARCH SYSTEMSFinal Written Decision
CBM2014-00019Oct 22, 2013AMERICAN EXPRESSMETASEARCH SYSTEMSInstitution Denied
CBM2014-00001Oct 1, 2013AMERICAN EXPRESSMETASEARCH SYSTEMSFinal Written Decision

Peer Comparison New

IP litigation analysis comparing American Express with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Jan 29, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
AMERICAN EXPRESS - - 6 -
MAXIM INTEGRATED PRODUCTS - - 117
METASEARCH SYSTEMS - - - 3
SIGNATURE SYSTEMS - - - 2