The weekly litigation news digest is live. Subscribe now

Westinghouse Air Brake competitive analysis

Explore Westinghouse Air Brake's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Dec 25, 2025
Patent NumberPublication DateTitleTotal Oppositions

Get instant alerts of patent oppositions faced by Westinghouse Air Brake

Nov 8, 2023Vehicle Control System1
Dec 1, 2021Method Of Detecting An Obstruction Of A Passenger Door1

Latest PTAB cases involving Westinghouse Air Brake

Discover the latest PTAB cases involving Westinghouse Air Brake, highlighting their recent legal challenges and patent disputes.

Last updated on: Dec 24, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Westinghouse Air Brake

IPR2026-00133Nov 19, 2025WESTINGHOUSE AIR BRAKERAILWAREPending
IPR2026-00134Nov 19, 2025WESTINGHOUSE AIR BRAKERAILWAREPending
IPR2026-00135Nov 19, 2025WESTINGHOUSE AIR BRAKERAILWAREPending
IPR2017-02104Sep 15, 2017WESTINGHOUSE AIR BRAKESIEMENS MOBILITYFinal Written Decision
IPR2017-02044Sep 1, 2017WESTINGHOUSE AIR BRAKESIEMENS MOBILITYFinal Written Decision
IPR2017-01866Jul 28, 2017WESTINGHOUSE AIR BRAKESIEMENS MOBILITYFinal Written Decision
IPR2017-01821Jul 25, 2017WESTINGHOUSE AIR BRAKESIEMENS MOBILITYFinal Written Decision
IPR2017-01669Jul 11, 2017WESTINGHOUSE AIR BRAKESIEMENS MOBILITYFinal Written Decision
IPR2017-01533Jun 16, 2017WESTINGHOUSE AIR BRAKESIEMENS MOBILITYFinal Written Decision
IPR2017-01454Jun 1, 2017WESTINGHOUSE AIR BRAKESIEMENS MOBILITYFinal Written Decision

Peer Comparison New

IP litigation analysis comparing Westinghouse Air Brake with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Dec 25, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
WESTINGHOUSE AIR BRAKE - 218 -
KNORR BREMSE GESELLSCHAFT MIT BESCHRANKTER HAFTUNG2 - - -
SIEMENS INDUSTRY - 415
SIEMENS MOBILITY8159610