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IP Verse

Water Absorbent Agent - EP3984633

The patent EP3984633 was granted to Nippon Shokubai on Nov 22, 2023. The application was filed on Dec 28, 2015 under application number EP21213618A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3984633

NIPPON SHOKUBAI
Application Number
EP21213618A
Filing Date
Dec 28, 2015
Status
Granted And Under Opposition
Oct 20, 2023
Publication Date
Nov 22, 2023
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
STOCKHAUSEN SUPERABSORBERAug 15, 2024OFFICE FREYLINGERADMISSIBLE
STOCKHAUSEN SUPERABSORBERAug 15, 2024VOLLMERADMISSIBLE

Patent Citations (46) New

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

Citation PhasePublication Number
DESCRIPTIONEP20150877095
DESCRIPTIONEP3243565
DESCRIPTIONUS2002128618
DESCRIPTIONUS2005215734
DESCRIPTIONUS2008161512
DESCRIPTIONUS2008194863
DESCRIPTIONUS4893999
DESCRIPTIONUS5154713
DESCRIPTIONUS5382610
DESCRIPTIONUS5669894
DESCRIPTIONUS6107358
DESCRIPTIONUS6241928
DESCRIPTIONUS6710141
DESCRIPTIONUS6987151
DESCRIPTIONUS7098284
DESCRIPTIONUS7183456
DESCRIPTIONUS7265190
DESCRIPTIONUS7638570
DESCRIPTIONWO2005016393
DESCRIPTIONWO2005075070
DESCRIPTIONWO2005097313
DESCRIPTIONWO2006082197
DESCRIPTIONWO2006100300
DESCRIPTIONWO2008026783
DESCRIPTIONWO2009016055
DESCRIPTIONWO2009041727
DESCRIPTIONWO2009041731
DESCRIPTIONWO2009110645
DESCRIPTIONWO2009123197
DESCRIPTIONWO2010095427
DESCRIPTIONWO2011025012
DESCRIPTIONWO2011025013
DESCRIPTIONWO2011040530
DESCRIPTIONWO2011078298
DESCRIPTIONWO2011111657
DESCRIPTIONWO2011126079
DESCRIPTIONWO2013072268
DESCRIPTIONWO9218171
OPPOSITIONEP2518092
OPPOSITIONUS7638570
OPPOSITIONWO2011126079
OPPOSITIONWO2013072268
OPPOSITIONWO2014183988
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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