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The patent EP3587104 was granted to Arcelormittal on Mar 30, 2022. The application was filed on Oct 30, 2006 under application number EP19185736A. 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 |
|---|---|---|---|
| POSCO | Oct 14, 2022 | MEISSNER BOLTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6296805 |
| OPPOSITION | CA2573226 |
| OPPOSITION | DE19749706 |
| OPPOSITION | EP0724919 |
| OPPOSITION | EP1013785 |
| OPPOSITION | EP1336666 |
| OPPOSITION | EP1380666 |
| OPPOSITION | EP1657004 |
| OPPOSITION | FR2625227 |
| OPPOSITION | JP2002105594 |
| OPPOSITION | JP3582504B |
| OPPOSITION | JPH08269615 |
| OPPOSITION | US2006185774 |
| OPPOSITION | US5178688 |
| OPPOSITION | US6296805 |
| OPPOSITION | US6767417 |
| OPPOSITION | WO02103073 |
| OPPOSITION | WO2006097593 |
| OPPOSITION | WO2008053273 |
| OTHER | CA2573226 |
| OTHER | DE19749706 |
| OTHER | EP0724919 |
| OTHER | EP1657004 |
| OTHER | EP2086755 |
| OTHER | US6295805 |
| SEARCH | AU622697B |
| SEARCH | EP1013785 |
| SEARCH | EP1336666 |
| SEARCH | EP1380666 |
| SEARCH | US4257549 |
| SEARCH | US5116645 |
| SEARCH | US6296805 |
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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Decision to grant a European patent
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(Electronic) Receipt
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Feb 22, 2022
Filing of the translations of the claims
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Feb 22, 2022
French translation of claims
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Feb 22, 2022
German translation of the claims
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Feb 22, 2022
Letter accompanying subsequently filed items
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Feb 10, 2022
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Intention to grant (signatures)
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Feb 10, 2022
Text intended for grant (clean copy)
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Feb 10, 2022
Dec 22, 2021
(Electronic) Receipt
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Dec 22, 2021
Amended claims with annotations
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Dec 22, 2021
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Dec 22, 2021
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Dec 22, 2021
Claims
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Dec 22, 2021
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Description
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Dec 3, 2021
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Dec 3, 2021
Nov 26, 2021
(Electronic) Receipt
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Nov 26, 2021
Filing of the translations of the claims
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Nov 26, 2021
French translation of claims
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Nov 26, 2021
German translation of the claims
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Nov 26, 2021
Letter accompanying subsequently filed items
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Nov 10, 2021
Nov 5, 2021
Observations by third parties
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Jul 23, 2021
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Intention to grant (signatures)
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Jul 23, 2021
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Jul 23, 2021
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(Electronic) Receipt
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Apr 13, 2021
Amended claims with annotations
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Description
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Description
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Apr 13, 2021
Letter accompanying subsequently filed items
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Jan 22, 2021
Jan 19, 2021
(Electronic) Receipt
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Jan 19, 2021
Letter accompanying subsequently filed items
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Jan 19, 2021
Oct 19, 2020
Annex to the communication
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Oct 19, 2020
Communication from the Examining Division
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Oct 13, 2020
Examination started
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Jul 17, 2020
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Jul 14, 2020
(Electronic) Receipt
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Jul 14, 2020
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Jul 14, 2020
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Jun 26, 2020
(Electronic) Receipt
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Jun 26, 2020
Jun 26, 2020
Amended description with annotations
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Jun 26, 2020
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Jun 26, 2020
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Jun 26, 2020
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Jun 26, 2020
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Jun 26, 2020
Letter accompanying subsequently filed items
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Jan 28, 2020
Communication to designated inventor
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Communication to designated inventor
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Jan 21, 2020
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Jan 21, 2020
Letter accompanying subsequently filed items
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Jan 21, 2020
Letter concerning the inventor
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Jan 8, 2020
Dec 4, 2019
Notification of forthcoming publication
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Nov 25, 2019
Nov 25, 2019
European search opinion
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Nov 25, 2019
European search report
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Nov 25, 2019
Information on Search Strategy
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Oct 11, 2019
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Letter which had not been notified
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Oct 7, 2019
Refund of fees
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Oct 2, 2019
Letter which had not been notified
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Sep 16, 2019
Search started
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Sep 3, 2019
Communication to designated inventor
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Jul 11, 2019
Abstract
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