IP Verse

Gypsum Boards Suitable For Wet Or Humid Areas

Patent No. EP3312339 (titled "Gypsum Boards Suitable For Wet Or Humid Areas") was filed by Ahlstrom Munksj OYJ on Oct 6, 2015. The application was issued on Jan 1, 2020.

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
OWENS CORNING CAPITALSep 28, 2020HASELTINE LAKE KEMPNER

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

EP3312339

AHLSTROM MUNKSJ OYJ
Application Number
EP17203938A
Filing Date
Oct 6, 2015
Status
Revoked
Jun 3, 2025
Publication Date
Jan 1, 2020
External Links
Slate, Register , Google Patents