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IP Verse

Method For Preparing Superabsorbent Resin And Superabsorbent Resin Prepared Thereby - EP3321306

The patent EP3321306 was granted to LG Chem on Oct 15, 2025. The application was filed on Apr 20, 2016 under application number EP16822879A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3321306

LG CHEM
Application Number
EP16822879A
Filing Date
Apr 20, 2016
Status
Patent Maintained As Amended
Sep 12, 2025
Publication Date
Oct 15, 2025
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 SHOKUBAI KABUSHIKI KAISHASep 27, 2023WALLINGER RICKER SCHLOTTER TOSTMANNADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication Number
DESCRIPTIONKR20140063457
INTERNATIONAL-SEARCH-REPORTKR101507287B
INTERNATIONAL-SEARCH-REPORTKR20140063457
INTERNATIONAL-SEARCH-REPORTKR20140145810
INTERNATIONAL-SEARCH-REPORTKR20150032045
INTERNATIONAL-SEARCH-REPORTKR20150061270
OPPOSITIONEP1690887
OPPOSITIONEP2957576
OPPOSITIONEP3078678
OPPOSITIONEP3078679
OPPOSITIONUS2004249120
OPPOSITIONUS2013102750
OPPOSITIONUS5275773
OPPOSITIONWO2015041432
OPPOSITIONWO2015084059
OPPOSITIONWO2015084060
SEARCHUS2004249120
SEARCHUS2013102750
SEARCHUS2014371400

Dossier Documents

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