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IP Verse

Method For The Fusion Welding Of One Or More Steel Sheets Of Press-Hardenable Steel - EP3946801

The patent EP3946801 was granted to Baosteel Tailored Blanks on Aug 9, 2023. The application was filed on Apr 6, 2020 under application number EP20717637A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3946801

BAOSTEEL TAILORED BLANKS
Application Number
EP20717637A
Filing Date
Apr 6, 2020
Status
Granted And Under Opposition
Jul 7, 2023
Publication Date
Aug 9, 2023
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
ARCELORMITTALApr 30, 2024LAVOIXADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication Number
DESCRIPTIONDE102017120051
DESCRIPTIONEP2007545
DESCRIPTIONEP2736672
DESCRIPTIONEP2737971
DESCRIPTIONEP2919942
DESCRIPTIONUS2008011720
EXAMINATIONJP2012110905
INTERNATIONAL-SEARCH-REPORTDE102014001979
INTERNATIONAL-SEARCH-REPORTDE112017003592T
INTERNATIONAL-SEARCH-REPORTWO2014131491
OPPOSITIONDE102006011064
OPPOSITIONDE102017120051
OPPOSITIONDE102019108837
OPPOSITIONEP2269762
OPPOSITIONUS2013043219
OPPOSITIONUS2016368094
OPPOSITIONWO2014131491

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.

  • Date

    Description

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