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IP Verse

Plaster Boards And Methods For Making Them - EP3554822

The patent EP3554822 was granted to Certainteed Gypsum on Apr 2, 2025. The application was filed on Dec 15, 2017 under application number EP17829420A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3554822

CERTAINTEED GYPSUM
Application Number
EP17829420A
Filing Date
Dec 15, 2017
Status
Patent Maintained As Amended
Feb 28, 2025
Publication Date
Apr 2, 2025
External Links
Slate, Register, Google Patents

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 DateRepresentativeOpposition Status
ETEX BUILDING PERFORMANCEJul 8, 2022ETEX SERVICES ETEX IPSCADMISSIBLE

Patent Citations (11) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONUS7745005
DESCRIPTIONUS8028800
DESCRIPTIONUS9157241
INTERNATIONAL-SEARCH-REPORTUS2009004448
INTERNATIONAL-SEARCH-REPORTUS2009145541
INTERNATIONAL-SEARCH-REPORTUS2014175320
INTERNATIONAL-SEARCH-REPORTWO2013045602
OPPOSITIONEP2417196
OPPOSITIONWO2010103322
OPPOSITIONWO2012116162
OPPOSITIONWO2014144688

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

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