The weekly litigation news digest is live. Subscribe now

IP Verse

Water-Absorbing Resin And Absorbent Article - EP3153529

The patent EP3153529 was granted to Sumitomo Seika Chemicals on Jul 31, 2019. The application was filed on Nov 4, 2014 under application number EP14897322A. The patent is currently recorded with a legal status of "Revoked".

EP3153529

SUMITOMO SEIKA CHEMICALS
Application Number
EP14897322A
Filing Date
Nov 4, 2014
Status
Revoked
Jul 15, 2022
Publication Date
Jul 31, 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
NIPPON SHOKUBAIApr 30, 2020HOFFMANN EITLEADMISSIBLE

Patent Citations (36) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2002179712
INTERNATIONAL-SEARCH-REPORTJP2008280459
INTERNATIONAL-SEARCH-REPORTJP2009019065
INTERNATIONAL-SEARCH-REPORTJP2012236898
INTERNATIONAL-SEARCH-REPORTJPH0578420
INTERNATIONAL-SEARCH-REPORTJPH08188602
INTERNATIONAL-SEARCH-REPORTJPH09194514
INTERNATIONAL-SEARCH-REPORTJPH1129605
INTERNATIONAL-SEARCH-REPORTJPH11335404
INTERNATIONAL-SEARCH-REPORTWO2008096713
OPPOSITIONEP0288865
OPPOSITIONEP0349240
OPPOSITIONEP1072630
OPPOSITIONEP1358892
OPPOSITIONEP1637105
OPPOSITIONEP1765913
OPPOSITIONEP1882701
OPPOSITIONEP2184300
OPPOSITIONEP2623198
OPPOSITIONEP2891520
OPPOSITIONEP2893974
OPPOSITIONJP2005344103
OPPOSITIONJP2006176570
OPPOSITIONJP2008007567
OPPOSITIONJP2008133396
OPPOSITIONJP2012236898
OPPOSITIONJPH1180248
OPPOSITIONWO2004110328
OPPOSITIONWO2006014031
OPPOSITIONWO2014079710
SEARCHEP1882701
SEARCHEP2700659
SEARCHEP2893974
SEARCHUS2010009846
SEARCHUS2014194574
SEARCHWO2014038324

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