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IP Verse

Calcium Sulphase-Based Products - EP3221274

The patent EP3221274 was granted to Saint Gobain on Dec 20, 2023. The application was filed on Nov 17, 2015 under application number EP15794947A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3221274

SAINT GOBAIN
Application Number
EP15794947A
Filing Date
Nov 17, 2015
Status
Patent Maintained As Amended
Nov 17, 2023
Publication Date
Dec 20, 2023
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 PERFORMANCESep 29, 2021ETEX SERVICES ETEX IPSCADMISSIBLE

Patent Citations (12) New

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

Citation PhasePublication Number
EXAMINATIONJP2986986B
EXAMINATIONJPS55126559
INTERNATIONAL-SEARCH-REPORTJP2005187278
INTERNATIONAL-SEARCH-REPORTJP2009263217
INTERNATIONAL-SEARCH-REPORTUS2011195241
INTERNATIONAL-SEARCH-REPORTWO2013098859
OPPOSITIONFR3000059
OPPOSITIONJPH10245256
OPPOSITIONUS2003138614
OPPOSITIONUS2012219785
OPPOSITIONUS2013216762
OPPOSITIONWO2016079099

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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