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IP Verse

Hot Work Tool Material And Method For Manufacturing Hot Work Tool - EP3150735

The patent EP3150735 was granted to Hitachi Metals on Jan 15, 2020. The application was originally filed on May 26, 2015 under application number EP15799707A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3150735

HITACHI METALS
Application Number
EP15799707A
Filing Date
May 26, 2015
Status
Granted And Under Opposition
Dec 13, 2019
Publication Date
Jan 15, 2020
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

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UDDEHOLMSOct 13, 2020AERAADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication Number
EXAMINATIONEP3263730
INTERNATIONAL-SEARCH-REPORTJP2000042606
INTERNATIONAL-SEARCH-REPORTJP2002248508
INTERNATIONAL-SEARCH-REPORTJP2007056289
INTERNATIONAL-SEARCH-REPORTJP2009215656
INTERNATIONAL-SEARCH-REPORTJPH09316595
INTERNATIONAL-SEARCH-REPORTJPH1136044
SEARCHEP2065483
SEARCHJP2001240945
SEARCHJP2007056289
SEARCHJP2009221594

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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