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IP Verse

Water Absorbent Agent And Method For Producing Same, Evaluation Method, And Measurement Method - EP3243565

The patent EP3243565 was granted to Nippon Shokubai on Jul 13, 2022. The application was originally filed on Dec 28, 2015 under application number EP15877095A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3243565

NIPPON SHOKUBAI
Application Number
EP15877095A
Filing Date
Dec 28, 2015
Status
Granted And Under Opposition
Jun 10, 2022
Publication Date
Jul 13, 2022
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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

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STOCKHAUSEN SUPERABSORBERApr 4, 2023OFFICE FREYLINGERADMISSIBLE
STOCKHAUSEN SUPERABSORBERApr 4, 2023VOLLMERADMISSIBLE

Patent Citations (12) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2003290290
INTERNATIONAL-SEARCH-REPORTJP2007529295
INTERNATIONAL-SEARCH-REPORTJP2014098172
INTERNATIONAL-SEARCH-REPORTJPH05237378
OPPOSITIONEP2518092
OPPOSITIONUS7638570
OPPOSITIONWO2013072268
OPPOSITIONWO2014183988
OTHERUS2012258851
SEARCHUS2013026412
SEARCHUS6107358
SEARCHWO2011040530

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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