Patent Oppositions in polymer processing industry

Explore the competitive field of polymer processing 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 polymer processing 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: Mar 5, 2026
CompanyTotal Oppositions
DOW24
LG CHEM21
ARKEMA FRANCE18
THE CHEMOURS FC16
BASF16
E I DU PONT DE NEMOURS15
BOREALIS14
HONEYWELL14
RICOH14
EVONIK OPERATIONS10

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

Patent challenges are becoming increasingly common in the polymer processing 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 polymer processing 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: Mar 5, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Continuous Dissolution Of A Cellulose DerivativeINFINITED FIBERJan 23, 2026UPM KYMMENE
Polyethylene ResinsTOTALENERGIES ONETECH BELGIUMJan 22, 2026BOREALIS
Moulded Article Comprising Cellulose Incorporated Into Elastane And Method Of ManufacturingLENZINGJan 20, 2026TABUJEW
Polyethylene ResinsTOTAL RESEARCH & TECHNOLOGY FELUYJan 16, 2026THE DOW CHEMICAL
Isocyanate-Reactive Composition And Method Of Preparing Polyurethane And Polyisocyanurate FoamsDOWDec 18, 2025MOMENTIVE PERFORMANCE MATERIALS
Biaxially Oriented Polyethylene Sheets For Thermoforming, Process For Their Manufacture, Their Use, A Thermoforming Process And Products ThereofBRCKNER MASCHINENBAUDec 12, 2025JFE INNOVATION CENTER
Biaxially Oriented Polyethylene Sheets For Thermoforming, Process For Their Manufacture, Their Use, A Thermoforming Process And Products ThereofBRCKNER MASCHINENBAUDec 10, 2025SABIC SABIC PETROCHEMICALS
Polyethylene ResinsTOTAL RESEARCH & TECHNOLOGY FELUYDec 9, 2025CHEVRON PHILLIPS CHEMICAL
Foaming CompositionHENKELNov 19, 2025SIKA TECHNOLOGY
Biodegradable Compositions And Articles Made From Cellulose AcetateEASTMAN CHEMICALNov 19, 2025CERDIA

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

Last updated on: Mar 5, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Feb 26, 2020Extruded Styrenic Resin Foam And Method For Manufacturing SameKANEKA5
May 4, 2022Improved Phtalate-Free Polyvinyl Chloride Plastisol CompositionsTARKETT GDL5
Oct 17, 2018High Integrity Polyester StrappingSIGNODE4
Sep 4, 2019Thermally Insulated Medium Pipes Having Hfo-Containing Cell GasBRUGG ROHR HOLDING4
Apr 5, 2017Ethylene-Based Polymer CompositionsDOW4
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
Mar 13, 2019Compositions Containing Fluorine Substituted OlefinsHONEYWELL3
Oct 10, 2018Azeotrope-Like Compositions Of 1,1,1,2-Tetrafluoropropene And 1,1,1,2-TetrafluoroethaneHONEYWELL3
Apr 6, 2022CompositionsTHE CHEMOURS FC3
Apr 11, 2018Multimodal Polyolefin Resin And Molded Product Prepared TherefromDAELIM INDUSTRIAL3