Patent Oppositions in patent classification index system industry

Explore the competitive field of patent classification index system where companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top companies filing and facing patent oppositions, and the most recent patents under dispute. Stay informed on patent activity in patent classification index system technology and learn how to protect your intellectual property.

Explore the top companies that have filed the most patent oppositions in the technology industry.

Explore the top companies that have faced the most patent oppositions in the technology industry.

Explore the top law firms that have filed the most patent oppositions in the technology industry.

Patent challenges are becoming increasingly common in the patent classification index system industry as companies work to protect their innovations in a highly competitive market. These legal battles can significantly impact the development and release of new technologies. Below is a list of the latest patents that have been opposed in the patent classification index system industry, offering a snapshot of the ongoing struggles over intellectual property rights. For anyone involved in this industry, understanding these patent disputes is essential for navigating its future.

Last updated on: Sep 17, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Lubricating Oil CompositionsCHEVRON ORONITESep 16, 2026AFTON CHEMICAL
Lubricant Compositions For Direct Injection EnginesTHE LUBRIZOLAug 5, 2026AFTON CHEMICAL
Gear Oil Composition For Automobile, And Lubrication MethodIDEMITSU KOSANMar 25, 2026THE LUBRIZOL
Magnesium And Boron Containing Lubricating Oil Composition For Hybrid VehiclesCHEVRON JAPANMar 4, 2026AFTON CHEMICAL
Lubricating Oil CompositionsINFINEUMJan 14, 2026AFTON CHEMICAL
Ethylene/Alpha-Olefin Copolymer And Lubricating OilMITSUI CHEMICALSDec 19, 2025BOREALIS
Ester Based Functional FluidOLEONNov 11, 2025SASOL CHEMIE
Gear Lubricant CompositionTOTALENERGIES ONETECHOct 8, 2025FUCHS SE
Lubricating Oil CompositionsINFINEUMOct 7, 2025AFTON CHEMICAL
Use Of Lubricant Compositions For Direct Injection EnginesTHE LUBRIZOLSep 11, 2025INFINEUM

To stay ahead in the competitive patent classification index system industry, companies are constantly innovating. Here are the top patents facing oppositions in the patent classification index system industry. Stay informed on the latest opposition trends and learn how to protect your intellectual property.

Last updated on: Sep 17, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Jan 15, 2025Use Of Lubricant Compositions For Direct Injection EnginesTHE LUBRIZOL2
Nov 5, 2025Lubricant Compositions For Direct Injection EnginesTHE LUBRIZOL2
Aug 12, 2020Lubricating Oil CompositionsINFINEUM2
Jun 4, 2025Magnesium And Boron Containing Lubricating Oil Composition For Hybrid VehiclesCHEVRON JAPAN2
May 29, 2024Base Oil And Lubricating Fluid Composition Containing Said Base OilFUCHS SE2
Feb 12, 2025Ester Based Functional FluidOLEON2
Aug 22, 2018Refrigerating ApparatusDAIKIN INDUSTRIES2
Feb 13, 2019Grease Composition Ameliorating Low-Temperature FrettingKYODO YUSHI2
Apr 20, 2016Antiwear Polymer And Lubricating Composition ThereofTHE LUBRIZOL1
Apr 22, 2015Method Of Lubricating A Marine Diesel EngineTHE LUBRIZOL1