West competitive analysis

Explore patent oppositions filed by West against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Jul 30, 2026
Patent NumberTitleApplicantOpposition Date
A Method Of Operating A Centrifugal SeparatorALFA LAVAL CORPORATEMar 10, 2026
A Method Of Operating A Centrifugal SeparatorALFA LAVAL CORPORATEJan 8, 2026
Method Of Producing A Low-Fat Product And A System For Producing A Low-Fat ProductALFA LAVAL CORPORATEDec 18, 2025
Tray Package Unit Outer Packaging Paper And Method For Producing SameMONDIAug 8, 2025
A Tow Bar Assembly And A Method For Mounting A Tow Bar Assembly To A VehicleBRINK TOWING SYSTEMSJul 31, 2024
Oriented Strand Board, Process For Production Of An Oriented Strand Board And Apparatus For Producing An Oriented Strand BoardKRONOSPAN LUXEMBOURGJun 6, 2024
A Centrifugal Separator For Separating A Liquid MixtureALFA LAVAL CORPORATEApr 20, 2023
A Tow Bar Assembly And A Method For Manufacturing A Tow Bar AssemblyBRINK TOWING SYSTEMSApr 6, 2023
Automatic Discharge SettingTETRA LAVAL & FINANCEFeb 10, 2023
Device For Pulling A Trailer And/Or Retaining A Load Carrying UnitACPS AUTOMOTIVENov 22, 2022

Explore West'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: Jul 30, 2026
Patent NumberPublication DateTitleTotal Oppositions
Nov 19, 2025Coated Paper And Paperboard Structures1
Sep 3, 2025Thermal Sleeve1
Aug 28, 2024Oil, Grease, And Moisture Resistant Paperboard Having A Natural Appearance1
Jan 24, 2024Heat-Sealable Paperboard Structures And Associated Paperboard-Based Containers2
Jan 24, 2024Coated Paperboard And A Tray Made Therefrom1
Jan 10, 2024Compostable Paperboard With Oil, Grease, And Moisture Resistance3
Nov 22, 2023Draw Bar With An Evaluation Device1
Nov 8, 2023Vehicle Control System1
Oct 25, 2023Draw Bar With An Evaluation Device1
Aug 23, 2023Coupling Assembly For A Rear Carrier1

Latest PTAB cases involving West

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

Last updated on: Aug 1, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving West

IPR2026-00133Nov 19, 2025WESTINGHOUSE AIR BRAKERAILWAREDiscretionary Denial
IPR2026-00134Nov 19, 2025WESTINGHOUSE AIR BRAKERAILWAREDiscretionary Denial
IPR2026-00135Nov 19, 2025WESTINGHOUSE AIR BRAKERAILWAREDiscretionary Denial
IPR2025-00701Mar 6, 2025WESTERN DIGITALGODO KAISHA BRIDGE 1Institution Denied
IPR2024-01493Sep 27, 2024WESTERN DIGITALGODO KAISHA BRIDGE 1Final Written Decision - Appealed
IPR2024-01494Sep 27, 2024WESTERN DIGITALGODO KAISHA BRIDGE 1Final Written Decision - Appealed
IPR2024-01447Sep 16, 2024WESTERN DIGITALGODO KAISHA BRIDGE 1Final Written Decision - Appealed
IPR2024-01448Sep 16, 2024WESTERN DIGITALGODO KAISHA BRIDGE 1Institution Denied
IPR2024-01449Sep 16, 2024WESTERN DIGITALGODO KAISHA BRIDGE 1Institution Denied
IPR2024-01384Aug 30, 2024WESTERN DIGITALGODO KAISHA BRIDGE 1Institution Denied

Peer Comparison New

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

Last updated on: Jul 30, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
WESTSCHSISCHE HOCHSCHULE ZWICKAU - 1 - -
TECHEM ENERGY SERVICES173 - -