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The patent EP3064349 was granted to JFE Steel on Apr 17, 2019. The application was filed on Oct 29, 2014 under application number EP14857761A. 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 |
|---|---|---|---|
| DUPONT TEIJIN FILMS PARTNERSHIP | Jan 17, 2020 | CARPMAELS & RANSFORD | ADMISSIBLE |
| NOVELIS | Jan 16, 2020 | WEICKMANN & WEICKMANN PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2002127306 |
| DESCRIPTION | JP2004345232 |
| INTERNATIONAL-SEARCH-REPORT | JP2002173541 |
| INTERNATIONAL-SEARCH-REPORT | JP2003268131 |
| INTERNATIONAL-SEARCH-REPORT | JP2007253454 |
| INTERNATIONAL-SEARCH-REPORT | JP2010105263 |
| INTERNATIONAL-SEARCH-REPORT | JPH10128935 |
| INTERNATIONAL-SEARCH-REPORT | JPH11138693 |
| OPPOSITION | CA2077811 |
| OPPOSITION | EP0312304 |
| OPPOSITION | EP3064349 |
| OPPOSITION | US2007036995 |
| OPPOSITION | US5582319 |
| SEARCH | JP2007253453 |
| SEARCH | JP2007253454 |
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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Submission concerning representation
Search/Exam
Mar 21, 2019
Decision to grant a European patent
Search/Exam
Mar 7, 2019
(Electronic) Receipt
Search/Exam
Mar 7, 2019
French translation of claims
Search/Exam
Mar 7, 2019
German translation of the claims
Search/Exam
Mar 7, 2019
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Nov 27, 2018
Text intended for grant (clean copy)
Search/Exam
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Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
May 4, 2017
Amendments received before examination
Search/Exam
May 4, 2017
Letter accompanying subsequently filed items
Search/Exam
May 4, 2017
Maintenance of the application
Search/Exam
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European search opinion
Search/Exam
Oct 10, 2016
Information on Search Strategy
Search/Exam
Oct 10, 2016
Supplementary European search report
Search/Exam
Sep 30, 2016
Search started
Search/Exam
Aug 10, 2016
Notification of forthcoming publication
Search/Exam
Jun 3, 2016
Communication to designated inventor
Search/Exam
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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
Apr 14, 2016
Abstract
Search/Exam
Apr 14, 2016
Claims
Search/Exam
Apr 14, 2016
Description
Search/Exam
Apr 14, 2016
Request for entry into the European phase
Search/Exam
Mar 11, 2016
Information on entry into European phase
Search/Exam
May 27, 2015
May 7, 2015
Copy of the international search report
Search/Exam
May 7, 2015
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International publication pamphlet
Search/Exam