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IP Verse

Hot-Working Tool Material, Method For Manufacturing Hot-Working Tool, And Hot-Working Tool - EP3173500

The patent EP3173500 was granted to Hitachi Metals on Mar 27, 2024. The application was filed on May 8, 2015 under application number EP15824454A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3173500

HITACHI METALS
Application Number
EP15824454A
Filing Date
May 8, 2015
Status
Patent Maintained As Amended
Feb 23, 2024
Publication Date
Mar 27, 2024
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
UDDEHOLMSJun 10, 2021NORENS PATENTBYRAADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2002248508
INTERNATIONAL-SEARCH-REPORTJP2007297703
OPPOSITIONUS6265096
OPPOSITIONUS6365096
SEARCHEP2270246
SEARCHGB2065700
SEARCHJP2002248508
SEARCHJP2005336553
SEARCHJP2006104519
SEARCHJP2007056289
SEARCHJPS6383249

Dossier Documents

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