Patent Oppositions in liquid fuels industry

Explore the competitive field of liquid fuels 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 liquid fuels 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.

Last updated on: Jul 9, 2026
Law FirmTotal Oppositions Filed
APPLEYARD LEES11
CASALONGA10
ZACCO DENMARK9
AWA SWEDEN9
LAVOIX8
J A KEMP7
HOFFMANN EITLE5
D YOUNG4
REITSTOTTER KINZEBACH4
BLAISE3

Patent challenges are becoming increasingly common in the liquid fuels 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 liquid fuels 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: Jul 9, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Reducing Friction In Combustion Engines Through Fuel AdditivesCHEVRON USAMay 6, 2026AFTON CHEMICAL
Use Of A Fuel Composition Comprising Three Additives For Cleaning The Internal Parts Of Petrol EnginesTOTALENERGIES ONETECHApr 15, 2026INNOSPEC
Process For Producing Fuels From A Blended Biorenewable FeedUOPFeb 20, 2026VAROPREEM SVERIGE
Process For Producing Fuels From A Blended Biorenewable FeedUOPFeb 18, 2026TOPSOE
Blended Fuel Compositions With Improved Emissions ProfilesREG SYNTHETIC FUELSDec 17, 2025TOTALENERGIES ONETECH
Blended Fuel Compositions With Improved Emissions ProfilesREG SYNTHETIC FUELSDec 16, 2025NESTE OYJ
Jet Fuel Composition And Method For Producing A Jet Fuel CompositionTOTALENERGIES ONETECHNov 25, 2025NESTE OYJ
Use With Alkylene Oxide And Hydrocarbyl-Substituted Polycarboxylic Acid Of Quaternised Nitrogen Compounds As Additives In Fuels And LubricantsBASFSep 24, 2025INNOSPEC
Use Of A Paraffinic Hydrocarbon-Based Fuel Composition For Cleaning The Internal Parts Of Diesel EnginesTOTALENERGIES MARKETING SERVICESJul 2, 2025PREEM
Use Of Copolymers Having A Specific Molar Mass Distribution For Lowering The Cold Filter Plugging Point Of FuelsTOTALENERGIES ONETECHJun 3, 2025CLARIANT PRODUKTE DEUTSCHLAND

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

Last updated on: Jul 9, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Apr 29, 2020Hydrocarbon Composition Useful As A Fuel And Fuel Oil Containing A Petroleum Component And A Component Of A Biological OriginUOP5
Jan 24, 2024Fuel Compositions With Enhanced Cold Properties And Methods Of Making The SameNESTE OYJ4
Mar 18, 2026Alkylate Gasoline Composition With Renewable Naphtha And Iso-OctaneNESTE OYJ4
Jun 8, 2022Composition, Method And UseINNOSPEC3
Sep 23, 2020A Method For Manufacturing A Fuel ComponentNESTE OYJ3
May 21, 2025Process For Producing Fuels From A Blended Biorenewable FeedUOP3
Jan 23, 2019Systems And Methods For Renewable FuelENSYN RENEWABLES3
Jul 15, 2020Fuel CompositionBASF3
Jun 3, 2020Aviation Fuel CompositionNESTE3
Apr 17, 2024A Hydrocarbon CompositionNESTE OYJ3