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IP Verse

Chromate Free Pretreatment Primer - EP3140356

The patent EP3140356 was granted to PRC Desoto on Sep 18, 2024. The application was filed on May 7, 2015 under application number EP15723411A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3140356

PRC DESOTO
Application Number
EP15723411A
Filing Date
May 7, 2015
Status
Patent Maintained As Amended
Aug 15, 2024
Publication Date
Sep 18, 2024
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
AKZO NOBELAug 14, 2019AKZO NOBEL DEPARTMENTADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication Number
DESCRIPTIONUS2012149820
DESCRIPTIONUS2013065985
DESCRIPTIONUS4147679
DESCRIPTIONUS4220679
DESCRIPTIONUS4403003
DESCRIPTIONUS4681811
DESCRIPTIONUS5071904
DESCRIPTIONUS6774168
INTERNATIONAL-SEARCH-REPORTUS2006178495
INTERNATIONAL-SEARCH-REPORTUS2008081120
INTERNATIONAL-SEARCH-REPORTUS2012025142
OPPOSITIONUS2007048550
OPPOSITIONUS2008081120
OPPOSITIONUS2009029173
OPPOSITIONUS2013081612
OPPOSITIONUS2013253091
OPPOSITIONWO2015171891
OPPOSITIONWO9832792

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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