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IP Verse

Process And Apparatus For Calcination Of Gypsum - EP3541765

The patent EP3541765 was granted to Knauf Insulation on Aug 18, 2021. The application was filed on Nov 18, 2016 under application number EP16808913A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3541765

KNAUF INSULATION
Application Number
EP16808913A
Filing Date
Nov 18, 2016
Status
Granted And Under Opposition
Jul 16, 2021
Publication Date
Aug 18, 2021
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
SAINT GOBAINMay 17, 2022MURGITROYDADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS4113836
OPPOSITIONEP2540669
OPPOSITIONGB1399553
OPPOSITIONJP2010084976
OPPOSITIONJPH0238347
OPPOSITIONUS2011031297
OPPOSITIONWO0076937
OPPOSITIONWO2007097625
OPPOSITIONWO9915255

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.

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    Description

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