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Method For Preparing Aluminium Steel Sheets Intended To Be Welded And Then Press Hardened - EP3520952

The patent EP3520952 was granted to Arcelormittal on Oct 20, 2021. The application was originally filed on Apr 17, 2015 under application number EP19176023A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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

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.

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ANDRITZJul 14, 2022WIRNSBERGER & LERCHBAUM PATENTANWALTEADMISSIBLE

Patent Citations (15) New

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

Citation PhasePublication Number
DESCRIPTIONEP0971044
DESCRIPTIONEP2007545
DESCRIPTIONWO2013014512
OPPOSITIONCA2242139
OPPOSITIONEP0565846
OPPOSITIONKR20120089975
OPPOSITIONWO2009092760
OPPOSITIONWO2013014512
OPPOSITIONWO2013050855
OPPOSITIONWO2015162445
SEARCHJP2005169444
SEARCHJPH06246475
SEARCHUS2011226746
SEARCHUS2014003860
SEARCHWO2013014512

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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