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Hot Press-Formed Part, And Manufacturing Method Thereof

Patent No. EP3889311 (titled "Hot Press-Formed Part, And Manufacturing Method Thereof") was filed by Posco on Nov 20, 2019. The application was issued on Nov 1, 2023.

Patent Summary

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Patent Family

Patent Oppositions (2)

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 DateRepresentative
ARCELORMITTALJul 31, 2024LAVOIX
THYSSENKRUPP STEEL EUROPEJul 31, 2024COHAUSZ & FLORACK

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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EP3889311

POSCO
Application Number
EP19888634A
Filing Date
Nov 20, 2019
Status
Granted And Under Opposition
Sep 29, 2023
Publication Date
Nov 1, 2023
External Links
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