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IP Verse

Magnesium Oxide Powder, And Production Method Therefor - EP3456687

The patent EP3456687 was granted to Konoshima Chemical on May 14, 2025. The application was filed on May 1, 2017 under application number EP17796047A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3456687

KONOSHIMA CHEMICAL
Application Number
EP17796047A
Filing Date
May 1, 2017
Status
Patent Maintained As Amended
Apr 11, 2025
Publication Date
May 14, 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
DEAD SEA BROMINEJul 6, 2022HOYNG ROKH MONEGIERADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2011127179
INTERNATIONAL-SEARCH-REPORTJPH06100997
INTERNATIONAL-SEARCH-REPORTJPH09256068
INTERNATIONAL-SEARCH-REPORTJPH0995737
INTERNATIONAL-SEARCH-REPORTJPH11158558
INTERNATIONAL-SEARCH-REPORTJPH11181525
OPPOSITIONEP3111957
OPPOSITIONJP5434560B
OPPOSITIONJPH09256068
OPPOSITIONUS4190469
OPPOSITIONUS4249966
OPPOSITIONUS4443425
SEARCHEP0699771
SEARCHJP3356933B
SEARCHJPH09256068
SEARCHJPH1088244
SEARCHUS5840131

Dossier Documents

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