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The patent EP3164523 was granted to Arcelormittal on May 19, 2021. The application was filed on Jul 3, 2015 under application number EP15750458A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| TATA STEEL IJMUIDEN | Feb 20, 2022 | GROUP SERVICES | DEEMED NOT TO HAVE BEEN FILED |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2010097038 |
| INTERNATIONAL-SEARCH-REPORT | EP0406619 |
| INTERNATIONAL-SEARCH-REPORT | EP0688884 |
| INTERNATIONAL-SEARCH-REPORT | EP2546382 |
| INTERNATIONAL-SEARCH-REPORT | FR2919876 |
| INTERNATIONAL-SEARCH-REPORT | US2010237548 |
| INTERNATIONAL-SEARCH-REPORT | US2014147697 |
| INTERNATIONAL-SEARCH-REPORT | WO2004022794 |
| OPPOSITION | EP0406619 |
| OPPOSITION | EP2546382 |
| OPPOSITION | FR2919876 |
| OPPOSITION | US2013136950 |
| OPPOSITION | US6635313 |
| OPPOSITION | WO2004057048 |
| OPPOSITION | WO2010097038 |
| OPPOSITION | WO2013010968 |
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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Jun 24, 2022
Jun 24, 2022
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Feb 20, 2022
Jun 1, 2021
Apr 22, 2021
Decision to grant a European patent
Search/Exam
Apr 6, 2021
(Electronic) Receipt
Search/Exam
Apr 6, 2021
Filing of the translations of the claims
Search/Exam
Apr 6, 2021
French translation of claims
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Apr 6, 2021
German translation of the claims
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Apr 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2020
Dec 7, 2020
Dec 7, 2020
Intention to grant (signatures)
Search/Exam
Dec 7, 2020
Text intended for grant (clean copy)
Search/Exam
Dec 7, 2020
Jul 1, 2020
(Electronic) Receipt
Search/Exam
Jul 1, 2020
Amended claims with annotations
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Jul 1, 2020
Amended description with annotations
Search/Exam
Jul 1, 2020
Claims
Search/Exam
Jul 1, 2020
Description
Search/Exam
Jul 1, 2020
Letter accompanying subsequently filed items
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Jul 1, 2020
May 12, 2020
Annex to the communication
Search/Exam
May 12, 2020
May 12, 2020
Feb 18, 2020
(Electronic) Receipt
Search/Exam
Feb 18, 2020
Amended claims with annotations
Search/Exam
Feb 18, 2020
Amended description with annotations
Search/Exam
Feb 18, 2020
Claims
Search/Exam
Feb 18, 2020
Description
Search/Exam
Feb 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 18, 2020
Jan 27, 2020
Annex to the communication
Search/Exam
Jan 27, 2020
Jan 27, 2020
Jun 11, 2019
(Electronic) Receipt
Search/Exam
Jun 11, 2019
Amended claims with annotations
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Jun 11, 2019
Claims
Search/Exam
Jun 11, 2019
Letter accompanying subsequently filed items
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Jun 11, 2019
Apr 8, 2019
Annex to a communication
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Apr 8, 2019
Annex to the communication
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Apr 8, 2019
Communication from the Examining Division
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Apr 2, 2019
Examination started
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Dec 14, 2018
Aug 4, 2017
Aug 2, 2017
Communication to designated inventor
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Jul 25, 2017
(Electronic) Receipt
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Jul 25, 2017
Letter accompanying subsequently filed items
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Jul 25, 2017
Letter concerning the inventor
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Jul 24, 2017
(Electronic) Receipt
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Jul 24, 2017
Amended claims with annotations
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Jul 24, 2017
Amendments received before examination
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Jul 24, 2017
Claims
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Jul 24, 2017
Letter accompanying subsequently filed items
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Jul 24, 2017
Apr 12, 2017
Mar 17, 2017
Mar 13, 2017
Letter which had not been notified
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Feb 17, 2017
Feb 11, 2017
Priority search results copy provided by EPO
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Feb 11, 2017
Priority search results copy provided by EPO
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Feb 8, 2017
Communication to designated inventor
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Feb 8, 2017
Communication to designated inventor
Search/Exam
Feb 8, 2017
Communication to designated inventor
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Jan 11, 2017
Jan 3, 2017
(Electronic) Receipt
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Jan 3, 2017
Jan 3, 2017
Amended claims with annotations
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Jan 3, 2017
Jan 3, 2017
Request for entry into the European phase
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Nov 11, 2016
Information on entry into European phase
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Oct 5, 2016
Oct 5, 2016
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Sep 3, 2016
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Aug 31, 2016
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Jul 19, 2016
Written opinion
PCT2
Jul 19, 2016
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Jun 23, 2016
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PCT demand form
PCT2
Jun 23, 2016
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Jun 21, 2016
Jun 21, 2016
PCT demand form
PCT2
Jun 21, 2016
Jun 21, 2016
Jun 7, 2016
Notification of election of EPO
Search/Exam
May 28, 2016
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May 26, 2016
May 23, 2016
May 19, 2016
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PCT demand form
PCT2
May 3, 2016
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May 3, 2016
PCT demand form
PCT2
May 3, 2016
Feb 25, 2016
Copy of the international search report
Search/Exam
Feb 25, 2016
Jan 26, 2016
Jan 26, 2016
Jan 14, 2016
ISR: cited documents
PCTISA
Jan 13, 2016
Jan 13, 2016
Jan 13, 2016
Jan 7, 2016
Published international application - A2
Search/Exam
Aug 28, 2015
Aug 7, 2015
Abstract
PCTISA
Aug 7, 2015
Claims
PCTISA
Aug 7, 2015
Description
PCTISA
Aug 7, 2015
Drawings
PCTISA
Aug 7, 2015