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IP Verse

Calcium-Carbonate-Microparticle/Fiber Composite And Manufacturing Method Therefor - EP3127868

The patent EP3127868 was granted to Nippon Paper Industries on Jun 16, 2021. The application was filed on Mar 31, 2015 under application number EP15774197A. The patent is currently recorded with a legal status of "Revoked".

EP3127868

NIPPON PAPER INDUSTRIES
Application Number
EP15774197A
Filing Date
Mar 31, 2015
Status
Revoked
Apr 19, 2024
Publication Date
Jun 16, 2021
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
SCHAEFER KALKMar 16, 2022MAI BESIER -

Patent Citations (14) New

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

Citation PhasePublication Number
EXAMINATIONUS2008023161
EXAMINATIONWO2014016469
INTERNATIONAL-SEARCH-REPORTJP2007528946
INTERNATIONAL-SEARCH-REPORTJP2007528947
INTERNATIONAL-SEARCH-REPORTJP2011073891
INTERNATIONAL-SEARCH-REPORTJP2011116601
INTERNATIONAL-SEARCH-REPORTJP2013536329
OPPOSITIONDE4311505
OPPOSITIONEP1172478
OPPOSITIONUS2004108081
OPPOSITIONUS2010212853
OPPOSITIONWO2011151525
SEARCHGB2312670
SEARCHUS5811070

Dossier Documents

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