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Stud Installation - EP4472797

The patent EP4472797 was granted to Weir Minerals Netherlands on Feb 26, 2025. The application was filed on Apr 3, 2023 under application number EP23719898A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4472797

WEIR MINERALS NETHERLANDS
Application Number
EP23719898A
Filing Date
Apr 3, 2023
Status
Granted And Under Opposition
Jan 24, 2025
Publication Date
Feb 26, 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
MASCHINENFABRIK KOPPERNNov 25, 2025ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBBADMISSIBLE

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-REPORTCN104148140
INTERNATIONAL-SEARCH-REPORTCN207757554U
INTERNATIONAL-SEARCH-REPORTUS2011239448
INTERNATIONAL-SEARCH-REPORTUS4662556
INTERNATIONAL-SEARCH-REPORTWO2013181717
INTERNATIONAL-SEARCH-REPORTWO2014124491
INTERNATIONAL-SEARCH-REPORTWO2021042221
OPPOSITIONCN104148140
OPPOSITIONCN107866306
OPPOSITIONCN111299958
OPPOSITIONCN112719851
OPPOSITIONCN207757554U
OPPOSITIONUS2011239448
OPPOSITIONUS4662556
OPPOSITIONWO2013181717
OPPOSITIONWO2014124491
OPPOSITIONWO2021042221

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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    Description

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