Patent Oppositions in carbon compounds industry

Explore the competitive field of carbon compounds 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 carbon compounds 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.

Last updated on: Feb 19, 2026
CompanyTotal Oppositions
HONEYWELL29
THE CHEMOURS FC23
CELGENE21
AMGEN EUROPE20
BASF19
CASALE15
E I DU PONT DE NEMOURS14
DAIKIN INDUSTRIES14
GRNENTHAL10
DAICEL10

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

Patent challenges are becoming increasingly common in the carbon compounds 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 carbon compounds 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: Feb 19, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Continuous, Carbohydrate To Ethylene Glycol ProcessesTEN PROCESS TECHNOLOGYDec 18, 2025STRAWMAN
Novel Synthesis Of Salcaprozic Acid By Amide FormationNOVO NORDISKNov 28, 2025ZHANG
Manufacturing Method For Hydrofluoroolefin Or FluoroolefinDAIKIN INDUSTRIESNov 12, 2025ARKEMA FRANCE
Fenfluramine Compositions And Methods Of Preparing The SameZOGENIXOct 29, 2025ALFRED E TIEFENBACHER
Novel Synthesis Of Salcaprozic Acid By Amide FormationNOVO NORDISKOct 28, 2025JAMES POOLE
Fenfluramine Compositions And Methods Of Preparing The SameZOGENIXOct 23, 2025SANDOZ
Process For Preparing A Surfactant Composition Based On A Glycine Betaine Ester Salt, And Composition Thus ObtainedSURFACTGREENOct 15, 2025BALS & VOGEL PATENTANWALTE
Process For Preparing A Surfactant Composition Based On A Glycine Betaine Ester Salt, And Composition Thus ObtainedSURFACTGREENOct 14, 2025CLARIANT
Thermal Stripping Urea Plant And ProcessSTAMICARBONSep 24, 2025SAIPEM
Solid Oral Formulation Of FenretinideLAURENT PHARMACEUTICALSSep 9, 2025WUESTHOFF & WUESTHOFF

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

Last updated on: Feb 19, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Jan 16, 2019(+)-2-[1-(3-Ethoxy-4-Methoxyphenyl)-2-Methylsulfonylethyl]-4-Acetylaminoisoindoline-1,3-Dione: Methods Of Using And Compositions ThereofAMGEN EUROPE15
Apr 14, 2021Salts Or Co-Crystals Of 3-(3-Dimethylamino-1-Ethyl-2-Methyl-Propyl)-PhenolGRNENTHAL7
May 29, 2019(+)-2-[1-(3-Ethoxy-4-Methoxyphenyl)-2-Methylsulfonylethyl]-4-Acetylaminoisoindoline-1,3-Dione: Methods Of Using And Compositions ThereofCELGENE5
Feb 21, 2018Compositions Comprising 2,3-Dichloro-1,1,1-Trifluoropropane, 2-Chloro-1,1,1-Trifluoropropene, 2-Chloro-1,1,1,2-Tetrafluoropropane Or 2,3,3,3-TetrafluoropropeneTHE CHEMOURS FC4
Jan 15, 2020Dry Powder Formulations Comprising VilanterolARVEN ILAC SANAYI VE TICARET4
Oct 30, 2019Method For Purification Of A Co2 StreamCASALE4
Oct 25, 2017Elimination Of Organohalo And Oxirane Species In Carboxylic Acid Ester StreamsSTEPAN SPECIALTY PRODUCTS4
Nov 29, 2017Method For Producing Fluorinated OlefinsHONEYWELL4
Dec 20, 2017Method For Producing Fluorinated Organic CompoundsHONEYWELL3
Jan 22, 2020Vilanterol FormulationsARVEN ILAC SANAYI VE TICARET3