New Substrate

Patent No. EP4074891 (titled "New Substrate") was filed by Billerud Aktiebolag Publ on Apr 13, 2021. The application was issued on Dec 20, 2023.

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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
UPM SPECIALTY PAPERSSep 11, 2024BERGGREN

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

EP4074891

BILLERUD AKTIEBOLAG PUBL
Application Number
EP21168232A
Filing Date
Apr 13, 2021
Status
Granted And Under Opposition
Nov 17, 2023
Publication Date
Dec 20, 2023