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IP Verse

Precipitated Calcium Carbonate (Pcc) Having A Defined Particle Size And Particle Size Distribution And Method For Producing Same - EP3464182

The patent EP3464182 was granted to Koehler Paper on Oct 19, 2022. The application was originally filed on May 31, 2017 under application number EP17726326A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3464182

KOEHLER PAPER
Application Number
EP17726326A
Filing Date
May 31, 2017
Status
Granted And Under Opposition
Sep 16, 2022
Publication Date
Oct 19, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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

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OMYAJul 19, 2023MAIWALDADMISSIBLE
MINERALSJul 17, 2023BAWDENADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
DESCRIPTIONEP1222146
DESCRIPTIONEP1712597
DESCRIPTIONUS6251356
INTERNATIONAL-SEARCH-REPORTEP2599750
OPPOSITIONEP1160201
OPPOSITIONJP2012224535
OPPOSITIONUS2019093289
OPPOSITIONUS5364610
OPPOSITIONUS6251356
OPPOSITIONWO2008128545
OPPOSITIONWO2009009553
OPPOSITIONWO2011038936
OPPOSITIONWO2014161758

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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