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The patent EP3770295 was granted to Baoshan Iron & Steel on Aug 16, 2023. The application was filed on Sep 6, 2019 under application number EP19847997A. 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 |
|---|---|---|---|
| THYSSENKRUPP STEEL EUROPE | May 15, 2024 | COHAUSZ & FLORACK | ADMISSIBLE |
| ARCELORMITTAL FRANCE | May 14, 2024 | LAVOIX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN106466697 |
| OPPOSITION | EP1642991 |
| OPPOSITION | EP2240622 |
| OPPOSITION | EP3290200 |
| OPPOSITION | US2011056594 |
| OPPOSITION | US6815087 |
| OPPOSITION | WO2008053273 |
| SEARCH | CN106466697 |
| SEARCH | EP3070187 |
| SEARCH | US2011056594 |
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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Decision to grant a European patent
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Jul 5, 2023
(Electronic) Receipt
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Jul 5, 2023
Filing of the translations of the claims
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Jul 5, 2023
French translation of claims
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Jul 5, 2023
German translation of the claims
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Intention to grant (signatures)
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Mar 24, 2023
Text intended for grant (clean copy)
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(Electronic) Receipt
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Feb 13, 2023
Amended description with annotations
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Feb 13, 2023
Description
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Feb 13, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Oct 21, 2022
Text intended for grant (clean copy)
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Oct 21, 2022
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Document concerning representation
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Sep 15, 2022
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(Electronic) Receipt
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Sep 8, 2022
Letter accompanying subsequently filed items
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Sep 8, 2022
Observations by third parties
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Sep 6, 2022
Examination started
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Jul 19, 2022
(Electronic) Receipt
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Amended claims with annotations
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Jul 19, 2022
Amendments received before examination
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Jul 19, 2022
Letter accompanying subsequently filed items
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European search opinion
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Feb 3, 2022
Information on Search Strategy
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Feb 3, 2022
Supplementary European search report
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Jan 24, 2022
Search started
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Mar 25, 2021
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Citation filed by a third party
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Citation filed by a third party
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Non-patent literature filed by a third party
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Non-scannable object
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Mar 18, 2021
Observations by third parties
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Observations by third parties
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Notification of forthcoming publication
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Observations by third parties
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Observations by third parties
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Oct 20, 2020
Letter accompanying subsequently filed items
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Oct 20, 2020
Request for re-establishment of rights
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Sep 16, 2020
(Electronic) Receipt
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Sep 16, 2020
Abstract
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Sep 16, 2020
Claims
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Sep 16, 2020
Description
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Sep 16, 2020
Drawings
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Priority search results
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Sep 16, 2020
Priority search results
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Sep 16, 2020
Request for entry into the European phase
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Copy of the international search report
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Feb 13, 2020
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International publication pamphlet
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