The weekly litigation news digest is live. Subscribe now

IP Verse

Novel Esterified Cellulose Ethers Of High Molecular Weight And Homogeneity - EP2888290

The patent EP2888290 was granted to DOW on Dec 26, 2018. The application was filed on Aug 15, 2013 under application number EP13752793A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2888290

DOW
Application Number
EP13752793A
Filing Date
Aug 15, 2013
Status
Opposition Rejected
Oct 1, 2021
Publication Date
Dec 26, 2018
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 CHEMICALSep 26, 2019GRUNECKER PATENTADMISSIBLE

Patent Citations (7) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTWO2006082518
OPPOSITIONEP2476439
OPPOSITIONJPH05339301
OPPOSITIONUS2001053778
OPPOSITIONWO2005115330
OPPOSITIONWO2013164121
OPPOSITIONWO2014031446

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

  • Get instant alerts for new documents