Production Of Paper- Or Linerboard

Patent No. EP4261346 (titled "Production Of Paper- Or Linerboard") was filed by Billerud Aktiebolag Publ on Apr 14, 2022. The application was issued on Nov 27, 2024.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
STORA ENSO OYJAug 27, 2025J A KEMP
VALMETAug 26, 2025TBK

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents

EP4261346

BILLERUD AKTIEBOLAG PUBL
Application Number
EP22168616A
Filing Date
Apr 14, 2022
Status
Granted And Under Opposition
Oct 25, 2024
Publication Date
Nov 27, 2024