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IP Verse

Novel Esterified Cellulose Ethers Of Very High Molecular Weight - EP2964203

The patent EP2964203 was granted to DOW on Apr 3, 2019. The application was filed on Feb 28, 2014 under application number EP14711076A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2964203

DOW
Application Number
EP14711076A
Filing Date
Feb 28, 2014
Status
Opposition Rejected
Oct 15, 2021
Publication Date
Apr 3, 2019
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
SHIN ETSU CHEMICALJan 3, 2020GRUNECKER PATENTADMISSIBLE

Patent Citations (22) New

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

Citation PhasePublication Number
DESCRIPTIONWO2013US55183
DESCRIPTIONWO2013US55188
DESCRIPTIONEP0219426
DESCRIPTIONEP0872233
DESCRIPTIONUS2004152886
DESCRIPTIONUS4226981
DESCRIPTIONUS4365060
DESCRIPTIONUS5776501
DESCRIPTIONWO2004014342
DESCRIPTIONWO2005115330
DESCRIPTIONWO2011159626
DESCRIPTIONWO2013148154
INTERNATIONAL-SEARCH-REPORTEP0219426
INTERNATIONAL-SEARCH-REPORTWO02085949
INTERNATIONAL-SEARCH-REPORTWO2006082518
INTERNATIONAL-SEARCH-REPORTWO2011020829
INTERNATIONAL-SEARCH-REPORTWO2011159626
INTERNATIONAL-SEARCH-REPORTWO2014031418
INTERNATIONAL-SEARCH-REPORTWO2014031419
INTERNATIONAL-SEARCH-REPORTWO2014031422
OPPOSITIONEP1847257
OPPOSITIONWO2011159626

Dossier Documents

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    Description

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