Patent Oppositions in paper composition and treatment industry

Explore the competitive field of paper composition and treatment 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 paper composition and treatment 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.

Patent challenges are becoming increasingly common in the paper composition and treatment 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 paper composition and treatment 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: Oct 2, 2025
Patent NumberTitleApplicantOpposition DateOpposition Name

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Oil/Grease Resistant Paper ProductsSAPPI NORTH AMERICASep 3, 2025UPM SPECIALTY PAPERS
Gypsum Board From Gypsum Having High Level Of Chloride Salt And A Starch Layer And Methods Associated TherewithUNITED STATES GYPSUMAug 27, 2025SAINT GOBAIN
A Packaging ItemNOTPLAAug 27, 2025GHOST
Production Of Paper- Or LinerboardBILLERUD AKTIEBOLAG PUBLAug 27, 2025STORA ENSO OYJ
A Packaging ItemNOTPLAAug 26, 2025KELTIE
Production Of Paper- Or LinerboardBILLERUD AKTIEBOLAG PUBLAug 26, 2025VALMET
Oil/Grease Resistant Paper ProductsSAPPI NORTH AMERICAAug 21, 2025BILLERUD AKTIEBOLAG PUBL
Tray Package Unit Outer Packaging Paper And Method For Producing SameMONDIAug 12, 2025BILLERUD AKTIEBOLAG PUBL
Tray Package Unit Outer Packaging Paper And Method For Producing SameMONDIAug 8, 2025SMURFIT WESTROCK EUROPE
Compostable Cellulose-Based Paper For Gas Barrier In Packaging MaterialAHLSTROM OYJJul 30, 2025UPM KYMMENE OYJ

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

Last updated on: Oct 2, 2025
Patent NumberGrant DateTitleApplicantTotal Oppositions
Nov 8, 2023Corrugated Board For Humid ConditionsBILLERUDKORSNS4
Sep 1, 2021Barrier Laminate Having Excellent Moisture And Gas Barrier Properties, And Method For Producing SameHANSOL PAPER4
Aug 4, 2021A Soil And/Or Moisture Resistant Secure DocumentCRANE4
Dec 7, 2022Method Of Producing A Containerboard From Pulp Comprising Nssc PulpBILLERUDKORSNS4
Dec 12, 2018Barrier PaperMITSUBISHI HITEC PAPER EUROPE3
Jan 10, 2024Compostable Paperboard With Oil, Grease, And Moisture ResistanceWESTROCK MWV3
Oct 4, 2017A Soil And/Or Moisture Resistant Secure DocumentCRANE3
Mar 29, 2017Dispersible Non-Woven Fabric And Method For Producing The SameGLATFELTER GERNSBACH3
Nov 29, 2017Fibre Product For PackagingSMURFIT KAPPA HOYA PAPIER UND KARTON3
Apr 10, 2019Method And System For Manufacturing A Coated Paperboard And A Coated PaperboardKOTKAMILLS GROUP OYJ3