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.

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: Aug 20, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Production Of Ctmp From A Hardwood/Softwood MixtureBILLERUD AKTIEBOLAG PUBLAug 4, 2026VALMET
Coated Paper And Paperboard StructuresWESTROCK MWVJul 27, 2026HIGHTONE MANAGEMENT
Method For Coating A Fibrous WebVOITH PATENTJul 23, 2026ANDRITZ KUSTERS
High-Bulk CtmpBILLERUD AKTIEBOLAG PUBLJul 14, 2026VALMET
Production Of Ctmp From A Hardwood/Softwood MixtureBILLERUD AKTIEBOLAG PUBLJul 14, 2026STORA ENSO OYJ
High-Bulk CtmpBILLERUD AKTIEBOLAG PUBLJul 9, 2026STORA ENSO OYJ
Fabric Care Composition Comprising Metathesized Unsaturated Polyol EstersTHE PROCTER & GAMBLEJul 8, 2026HENKEL
A Paperboard And A Method Of Producing A PaperboardSTORA ENSO OYJJul 1, 2026SMURFIT WESTROCK PITEA AKTIEBOLAG
Coated Paper And Paperboard StructuresWESTROCK MWVJun 25, 2026KOEHLER INNOVATION & TECHNOLOGY
Wrapping Paper For Non-Combustible Heated Type Smoking Article, Non-Combustible Heated Type Smoking Article, And Electrically-Heated Smoking SystemJAPAN TOBACCOJun 10, 2026NICOVENTURES

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: Aug 20, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Sep 1, 2021Barrier Laminate Having Excellent Moisture And Gas Barrier Properties, And Method For Producing SameHANSOL PAPER4
Oct 4, 2017A Soil And/Or Moisture Resistant Secure DocumentCRANE4
Aug 4, 2021A Soil And/Or Moisture Resistant Secure DocumentCRANE4
Nov 8, 2023Corrugated Board For Humid ConditionsBILLERUD AKTIEBOLAG PUBL4
Dec 12, 2018Barrier PaperMITSUBISHI HITEC PAPER EUROPE4
Dec 7, 2022Method Of Producing A Containerboard From Pulp Comprising Nssc PulpBILLERUDKORSNS4
Apr 10, 2019Method And System For Manufacturing A Coated Paperboard And A Coated PaperboardKOTKAMILLS GROUP OYJ3
Jul 5, 2017High Quality Paperboard And Products Made ThereofSTORA ENSO3
Nov 29, 2017Fibre Product For PackagingSMURFIT KAPPA HOYA PAPIER UND KARTON3
Dec 25, 2019Method For The Production Of Heat-Sealing Barrier PaperAHLSTROM MUNKSJ OYJ3