The weekly litigation news digest is live. Subscribe now

IP Verse

Process For Production Of Water-Absorbing Resin Particles, Water-Absorbing Resin Particles Made By The Process, And Absorbents And Absorbent Articles Made By Using The Particles - EP1882701

The patent EP1882701 was granted to Sumitomo Seika Chemicals on Aug 14, 2024. The application was filed on May 10, 2006 under application number EP06746220A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP1882701

SUMITOMO SEIKA CHEMICALS
Application Number
EP06746220A
Filing Date
May 10, 2006
Status
Patent Maintained As Amended
Jul 12, 2024
Publication Date
Aug 14, 2024
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 3, 2019SCHON -

Patent Citations (15) New

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

Citation PhasePublication Number
OPPOSITIONEP0629411
OPPOSITIONEP0882502
OPPOSITIONEP1714985
OPPOSITIONGB2267094
OPPOSITIONJP2003088552
OPPOSITIONUS4541871
OPPOSITIONUS5672633
OPPOSITIONUS5797893
OPPOSITIONWO2005063825
OPPOSITIONWO2005092956
OPPOSITIONWO9526209
SEARCHEP0533192
SEARCHEP0629411
SEARCHJPH0726026
SEARCHUS5976696

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