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The patent EP3587105 was granted to Arcelormittal on Sep 21, 2022. The application was filed on Oct 30, 2006 under application number EP19185743A. 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 | CA1063798 |
| OPPOSITION | CA2573226 |
| OPPOSITION | DE19749706 |
| OPPOSITION | EP0692549 |
| OPPOSITION | EP0724919 |
| OPPOSITION | EP1063314 |
| OPPOSITION | EP1657004 |
| OPPOSITION | FR2625227 |
| OPPOSITION | JP2002105594 |
| OPPOSITION | JP3582504B |
| OPPOSITION | JPH08269615 |
| OPPOSITION | US5178688 |
| OPPOSITION | US6296805 |
| OPPOSITION | US6767417 |
| OPPOSITION | WO02103073 |
| OPPOSITION | WO2006097593 |
| OTHER | CA2573226 |
| OTHER | DE19749706 |
| OTHER | EP0692549 |
| OTHER | EP0724919 |
| OTHER | EP1063314 |
| OTHER | EP1657004 |
| OTHER | EP2086755 |
| OTHER | US6295805 |
| SEARCH | EP1013785 |
| SEARCH | EP1336666 |
| SEARCH | EP1380666 |
| SEARCH | JPH08144037 |
| SEARCH | US2002114884 |
| 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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