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IP Verse

Aqueous Solution Of An Esterified Cellulose Ether - EP3270973

The patent EP3270973 was granted to DOW on Jan 9, 2019. The application was filed on Mar 8, 2016 under application number EP16714625A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3270973

DOW
Application Number
EP16714625A
Filing Date
Mar 8, 2016
Status
Opposition Rejected
Jul 30, 2021
Publication Date
Jan 9, 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 CHEMICALOct 8, 2019GRUNECKER PATENT -

Patent Citations (9) New

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

Citation PhasePublication Number
DESCRIPTIONUS4226981
DESCRIPTIONUS4365060
DESCRIPTIONWO2005115330
DESCRIPTIONWO2011159626
DESCRIPTIONWO2013164121
DESCRIPTIONWO2014137777
INTERNATIONAL-SEARCH-REPORTWO2014137777
OPPOSITIONEP2476439
OPPOSITIONWO2005115330

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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