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.

Last updated on: Jul 23, 2026
Law FirmTotal Oppositions Filed
KRANSELL & WENNBORG KB32
MAIWALD13
HOFFMANN EITLE11
MAI BESIER8
ESPATENT8
LAINE8
BERGGREN7
RUSSELL7
BUDDE SCHOU6
HENSELER6

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: Jul 23, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Wrapping Paper For Non-Combustible Heated Type Smoking Article, Non-Combustible Heated Type Smoking Article, And Electrically-Heated Smoking SystemJAPAN TOBACCOJun 10, 2026NICOVENTURES
Wrapping Paper For Non-Combustible Heated Type Smoking Article, Non-Combustible Heated Type Smoking Article, And Electrically-Heated Smoking SystemJAPAN TOBACCOJun 9, 2026PHILIP MORRIS
Semi-Bleached Or Unbleached Eucalyptus Globulus Pulp For Tissue ProductsRAIZ INSTITUTO DE INVESTIGAO DA FLORESTA E PAPELMay 20, 2026PONS
Paper Sizing Using An Agent Containing Uniformly Bound Octenyl Succinic Anhydride Groups Made By The Reaction Of Octenyl Succinic Anhydride Onto A Dispersed Waxy StarchCORN PRODUCTSMay 18, 2026CARGILL
New SubstrateBILLERUD AKTIEBOLAG PUBLMar 25, 2026UPM SPECIALTY PAPERS
Paper With Water Repellent And Partially Heat Sealing PropertiesSOLENIS BELGIUMMar 4, 2026KEMIRA OYJ
Assymetric PaperboardBILLERUD AKTIEBOLAG PUBLFeb 24, 2026STORA ENSO OYJ
Sols, Multifunctional Applications Of Sols, And Associated ProductsSOL GEL MATERIALS & APPLICATIONSFeb 20, 2026VALET PATENTANWALTSGESELLSCHAFT
Assymetric PaperboardBILLERUD AKTIEBOLAG PUBLFeb 16, 2026STORA ENSO OYJ
Microplastic-Free Coated PaperSAPPI NETHERLANDS SERVICESFeb 12, 2026KOEHLER INNOVATION & TECHNOLOGY

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: Jul 23, 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 ConditionsBILLERUDKORSNS4
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 PaperMUNKSJ OYJ3