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IP Verse

Method For Preparing Aluminium Steel Sheets Intended To Be Welded And Then Press Hardened

Patent No. EP3520952 (titled "Method For Preparing Aluminium Steel Sheets Intended To Be Welded And Then Press Hardened") was filed by Arcelormittal on Apr 17, 2015. The application was issued on Oct 20, 2021.

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 DateRepresentative
ANDRITZJul 14, 2022WIRNSBERGER & LERCHBAUM PATENTANWALTE

Dossier Documents

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EP3520952

ARCELORMITTAL
Application Number
EP19176023A
Filing Date
Apr 17, 2015
Status
Granted And Under Opposition
Sep 17, 2021
Publication Date
Oct 20, 2021
External Links
Slate, Register, Google Patents