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The patent EP2841614 was granted to Arcelormittal on Feb 26, 2025. The application was filed on Apr 25, 2013 under application number EP13727381A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| THYSSENKRUPP STEEL EUROPE | Nov 6, 2019 | COHAUSZ & FLORACK | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2002004017 |
| INTERNATIONAL-SEARCH-REPORT | JP2005206870 |
| INTERNATIONAL-SEARCH-REPORT | JP2007131906 |
| INTERNATIONAL-SEARCH-REPORT | US2011008644 |
| OPPOSITION | DE102005005858 |
| OPPOSITION | EP0700452 |
| OPPOSITION | JPH0610156 |
| OPPOSITION | WO2009049836 |
| OPPOSITION | WO2016156896 |
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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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
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Reply to appeal
Appeal
Dec 20, 2021
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Oct 6, 2021
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Notice of appeal
Appeal
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OPPO
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Decision to grant a European patent
Search/Exam
Dec 19, 2018
(Electronic) Receipt
Search/Exam
Dec 19, 2018
English translation of the claims
Search/Exam
Dec 19, 2018
Filing of the translations of the claims
Search/Exam
Dec 19, 2018
German translation of the claims
Search/Exam
Dec 19, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
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Search/Exam
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(Electronic) Receipt
Search/Exam
Aug 3, 2018
Amended claims with annotations
Search/Exam
Aug 3, 2018
Amended description with annotations
Search/Exam
Aug 3, 2018
Claims
Search/Exam
Aug 3, 2018
Description
Search/Exam
Aug 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 3, 2018
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Intention to grant (signatures)
Search/Exam
May 2, 2018
Text intended for grant (clean copy)
Search/Exam
May 2, 2018
Apr 23, 2018
Annex to a communication
Search/Exam
Apr 23, 2018
Annex to the communication
Search/Exam
Apr 23, 2018
Consultation by telephone/in person
Search/Exam
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Search/Exam
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Annex to a communication
Search/Exam
Apr 17, 2018
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Search/Exam
Apr 17, 2018
Consultation by telephone/in person
Search/Exam
Apr 17, 2018
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Examination started
Search/Exam
Nov 16, 2017
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Payment of fees and costs
Search/Exam
Jan 28, 2016
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(Electronic) Receipt
Search/Exam
Oct 9, 2015
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Amended claims with annotations
Search/Exam
Oct 9, 2015
Amendments received before examination
Search/Exam
Oct 9, 2015
Letter accompanying subsequently filed items
Search/Exam
Apr 16, 2015
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Priority search results copy provided by EPO
Search/Exam
Feb 16, 2015
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Dec 17, 2014
Communication to designated inventor
Search/Exam
Dec 17, 2014
Communication to designated inventor
Search/Exam
Nov 24, 2014
(Electronic) Receipt
Search/Exam
Nov 24, 2014
Nov 24, 2014
Amended claims with annotations
Search/Exam
Nov 24, 2014
Request for entry into the European phase
Search/Exam
Nov 7, 2014
Nov 7, 2014
Notification of the recording of a change
Search/Exam
Oct 30, 2014
Written opinion
PCT2
Oct 30, 2014
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Sep 5, 2014
Information on entry into European phase
Search/Exam
Mar 26, 2014
Notification of election of EPO
Search/Exam
Mar 18, 2014
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PCT demand form
PCT2
Mar 5, 2014
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PCT demand form
PCT2
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Dec 6, 2013
Oct 31, 2013
Copy of the international search report
Search/Exam
Oct 31, 2013
Published international application - A1
Search/Exam
Aug 27, 2013
Aug 27, 2013
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Jun 7, 2013
Abstract
PCTISA
Jun 7, 2013
Claims
PCTISA
Jun 7, 2013
Description
PCTISA
Jun 7, 2013
Drawings
PCTISA