Patent Oppositions in polymer compositions industry

Explore the competitive field of polymer compositions 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 compositions 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
GARCIA MARTIN48
MAIWALD45
LYONDELLBASELL36
BOULT WADE TENNANT31
DEHNS15
SMITH14
SABIC GROUP14
VO13
MELLET12
KADOR & PARTNER PART MBB11

Patent challenges are becoming increasingly common in the polymer compositions 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 compositions 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
Polyolefin Pressure Pipe ResinEQUISTAR CHEMICALSMay 20, 2026BOREALIS
Polypropylene-Based Compositions With Transparency And Elongational PropertiesTOTALENERGIES ONETECHMay 20, 2026BOREALIS
Dual Component Lldpe Copolymers With Improved Impact And Tear ResistanceCHEVRON PHILLIPS CHEMICAL LPMay 18, 2026THE DOW CHEMICAL
A Combination Comprising Two Propylene-Based Polymers And Compositions Comprising The SameEXXONMOBIL CHEMICAL PATENTSMay 13, 2026BOREALIS
Ethylene-Based Polymer Composition For Films With Improved ToughnessDOWMay 5, 2026BOREALIS
Polyethylene CompositionPUBLIC JOINT STOCK SIBUR HOLDINGApr 1, 2026BOREALIS
Fiber-Reinforced Plastic Composition, And Fiber-Reinforced Composite With Improved Impact Performance, Prepared TherefromLG HAUSYSFeb 26, 2026BOREALIS
CompositionBOREALISFeb 6, 2026INEOS EUROPE
Single-Layer ContainerGREIF HOLDINGDec 17, 2025SCHTZ
Polyethylene Compositions, Films, And ArticlesDOWDec 5, 2025TOTALENERGIES ONETECH

To stay ahead in the competitive polymer compositions industry, companies are constantly innovating. Here are the top patents facing oppositions in the polymer compositions 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 27, 2022Process To Produce Polypropylene-Based Composition From Post-Consumer Resins And Articles Made Of Said CompositionsTOTALENERGIES ONETECH BELGIUM7
Jan 20, 2021Propylene-Based Impact CopolymersEXXONMOBIL CHEMICAL PATENTS6
May 3, 2017Polyethylene For Injection MoldingsBASELL POLYOLEFINE5
Aug 21, 2019Thermoplastic Compositions For Electronics Or Telecommunication Applications And Shaped Article ThereforeSABIC5
Dec 27, 2023Sustainable Industrial HoseCONTITECH USA5
Apr 5, 2017Ethylene-Based Polymer CompositionsDOW4
Mar 4, 2020Heterophasic Polypropylene With Improved Stiffness/Impact BalanceBOREALIS4
Mar 8, 2023Bottle Closure Assembly Comprising A Polyethylene CompositionNOVA CHEMICALS4
Feb 21, 2024Ethylene-Based Polymer CompositionsDOW3
Mar 4, 2020Propylene-Ethylene Random CopolymerINEOS EUROPE3