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IP Verse

Dry Preparation Of Kaolin In The Production Of Hpa - EP3802457

The patent EP3802457 was granted to SMS Group on Jan 26, 2022. The application was filed on Jun 11, 2019 under application number EP19730741A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3802457

SMS GROUP
Application Number
EP19730741A
Filing Date
Jun 11, 2019
Status
Granted And Under Opposition
Dec 24, 2021
Publication Date
Jan 26, 2022
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
GEBR PFEIFFEROct 26, 2022GRUNECKER PATENTADMISSIBLE

Patent Citations (33) New

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

Citation PhasePublication Number
DESCRIPTIONDE1088404
DESCRIPTIONDE69030020T
DESCRIPTIONEP0193109
INTERNATIONAL-SEARCH-REPORTCN108046750
INTERNATIONAL-SEARCH-REPORTCZ306516
INTERNATIONAL-SEARCH-REPORTDE102006028547
INTERNATIONAL-SEARCH-REPORTDE1088404
INTERNATIONAL-SEARCH-REPORTDE19806895
INTERNATIONAL-SEARCH-REPORTEP0292739
INTERNATIONAL-SEARCH-REPORTEP0510890
INTERNATIONAL-SEARCH-REPORTRU2187387
INTERNATIONAL-SEARCH-REPORTWO03028893
INTERNATIONAL-SEARCH-REPORTWO2015051925
OPPOSITIONCN108046750
OPPOSITIONCZ2013446
OPPOSITIONDD137891
OPPOSITIONDE102006028547
OPPOSITIONDE1088404
OPPOSITIONDE19606672
OPPOSITIONDE19806895
OPPOSITIONDE3921986
OPPOSITIONEP0292739
OPPOSITIONEP0510890
OPPOSITIONJPH03151059
OPPOSITIONJPH0538460
OPPOSITIONJPH0557205
OPPOSITIONRU2187387
OPPOSITIONUS4561597
OPPOSITIONUS4593860
OPPOSITIONUS4981269
OPPOSITIONWO0162391
OPPOSITIONWO03028893
OPPOSITIONWO2015051925

Dossier Documents

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    Description

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