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IP Verse

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

Patent No. EP3243565 (titled "Water Absorbent Agent And Method For Producing Same, Evaluation Method, And Measurement Method") was filed by Nippon Shokubai on Dec 28, 2015. The application was issued on Jul 13, 2022.

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 DateRepresentative
STOCKHAUSEN SUPERABSORBERApr 4, 2023OFFICE FREYLINGER
STOCKHAUSEN SUPERABSORBERApr 4, 2023VOLLMER

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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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, EP3243565B1, Google Patents