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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.

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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: Nov 20, 2025
Law FirmTotal Oppositions Filed
MAIWALD58
LYONDELLBASELL36
GARCIA MARTIN35
BOULT WADE TENNANT30
DEHNS18
SABIC GROUP14
SMITH14
KADOR & PARTNER PART MBB12
MELLET12
VO12

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: Nov 20, 2025
Patent NumberTitleApplicantOpposition DateOpposition Name
Polyethylene Pipe Resin With High Resistance To Slow Crack GrowthBOREALISSep 25, 2025SABIC SABIC PETROCHEMICALS
Polyethylene Pipe Resin With High Resistance To Slow Crack GrowthBOREALISSep 24, 2025THE DOW CHEMICAL
Polypropylene Resin Composition With Excellent Low-Temperature Impact Resistance And Article Molded TherefromHANWHA TOTALENERGIES PETROCHEMICALSep 1, 2025BOREALIS
Use Of Recycled Polyethylene In Closures For BottlesNOVA CHEMICALSAug 27, 2025THE DOW CHEMICAL
Low Stress Whitening Polypropylene CompositionBOREALISJun 17, 2025WR GRACE & CONN
Polyethylene Extrudates And Methods Of Making The SameEXXONMOBIL CHEMICAL PATENTSJun 4, 2025BOREALIS
Polyethylene Extrudates And Methods Of Making The SameEXXONMOBIL CHEMICAL PATENTSJun 3, 2025TOTALENERGIES ONE TECH
Dual Component Lldpe Copolymers With Improved Impact And Tear Resistance, And Methods Of Their PreparationCHEVRON PHILLIPS CHEMICAL LPMay 21, 2025TOTALENERGIES ONE TECH
Hot Melt Adhesive Compositions Based On Propylene-Based Polymers And Methods For Using SameBOSTIKMay 13, 2025H B FULLER
Polyethylene Compositions Comprising Cyclic-Olefin CopolymersEXXONMOBIL CHEMICAL PATENTSMay 6, 2025TOPAS ADVANCED POLYMERS

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: Nov 20, 2025
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
Mar 8, 2023Bottle Closure Assembly Comprising A Polyethylene CompositionNOVA CHEMICALS4
Oct 2, 2019Process For Manufacture Of Low Emission PolypropyleneSABIC4
Mar 4, 2020Heterophasic Polypropylene With Improved Stiffness/Impact BalanceBOREALIS4
Aug 21, 2019Thermoplastic Compositions For Electronics Or Telecommunication Applications And Shaped Article ThereforeSABIC4
Apr 5, 2017Ethylene-Based Polymer CompositionsDOW4
Jul 19, 2023Ethylene-Based Resins For Closure ApplicationsDOW4
May 3, 2017Polyethylene For Injection MoldingsBASELL POLYOLEFINE4
Dec 27, 2023Sustainable Industrial HoseCONTITECH USA4