The weekly litigation news digest is live. Subscribe now

IP Verse

Super-Absorbent Composition Comprising Tannins For Odor Control - EP2176325

The patent EP2176325 was granted to Evonik Degussa on Dec 8, 2021. The application was filed on Sep 24, 2008 under application number EP08802558A. The patent is currently recorded with a legal status of "Revoked".

EP2176325

EVONIK DEGUSSA
Application Number
EP08802558A
Filing Date
Sep 24, 2008
Status
Revoked
Nov 1, 2024
Publication Date
Dec 8, 2021
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
NIPPON SHOKUBAISep 8, 2022HENKEL & PARTNER MBBADMISSIBLE

Patent Citations (15) New

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

Citation PhasePublication Number
EXAMINATIONEP1510562
INTERNATIONAL-SEARCH-REPORTUS5045322
INTERNATIONAL-SEARCH-REPORTWO0130748
INTERNATIONAL-SEARCH-REPORTWO2010052182
OPPOSITIONEP0811391
OPPOSITIONEP1108745
OPPOSITIONEP1510562
OPPOSITIONGB2093351
OPPOSITIONJP2003206381
OPPOSITIONJPH07228790
OPPOSITIONJPH11116829
OPPOSITIONWO2004037903
OPPOSITIONWO2005092956
OPPOSITIONWO2006014031
OPPOSITIONWO2007121941

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