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IP Verse

Process For The Preparation Of Diamine/Dicarboxylic Acid Salts And Polyamides Thereof - EP2951147

The patent EP2951147 was granted to DSM Assets on Aug 2, 2017. The application was filed on Jan 30, 2014 under application number EP14702248A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP2951147

DSM ASSETS
Application Number
EP14702248A
Filing Date
Jan 30, 2014
Status
Granted And Under Opposition
Jun 30, 2017
Publication Date
Aug 2, 2017
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
INVISTA RLMay 2, 2018CARPMAELS & RANSFORDADMISSIBLE

Patent Citations (10) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTUS2006122360
INTERNATIONAL-SEARCH-REPORTUS3379696
OPPOSITIONUS2013172521
OPPOSITIONUS3337696
OPPOSITIONUS4131712
OPPOSITIONUS5674974
OPPOSITIONWO2012070457
OPPOSITIONWO2013014236
OTHERUS2013172521
OTHERWO2012070457

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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