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The patent EP3266533 was granted to JFE Steel on Feb 23, 2022. The application was filed on Mar 3, 2016 under application number EP16758649A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| AUTOTECH ENGINEERING SL | Nov 21, 2022 | DE ROOIJ | ADMISSIBLE |
| ARCELORMITTAL | Nov 18, 2022 | LAVOIX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2005021968 |
| INTERNATIONAL-SEARCH-REPORT | JP2012101270 |
| INTERNATIONAL-SEARCH-REPORT | JP2012197505 |
| OPPOSITION | EP2832887 |
| OPPOSITION | JP2006021216 |
| OPPOSITION | US2005000951 |
| OPPOSITION | US2014003860 |
| SEARCH | JP2006021216 |
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
Search/Exam
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(Electronic) Receipt
Search/Exam
Jan 24, 2022
German translation of the claims
Search/Exam
Jan 24, 2022
Letter accompanying subsequently filed items
Search/Exam
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Request for correction of the publication
Search/Exam
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(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Examination started
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Amended claims with annotations
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Amendments received before examination
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European search opinion
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Information on Search Strategy
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Supplementary European search report
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Search started
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Dec 13, 2017
Notification of forthcoming publication
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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
Search/Exam
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Abstract
Search/Exam
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Claims
Search/Exam
Oct 4, 2017
Description
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Drawings
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Oct 4, 2017
Request for entry into the European phase
Search/Exam
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Information on entry into European phase
Search/Exam
Sep 27, 2016
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Copy of the international search report
Search/Exam
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International publication pamphlet
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