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The patent EP2789960 was granted to Refractory on Dec 19, 2018. The application was filed on Apr 12, 2013 under application number EP13163565A. 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 |
|---|---|---|---|
| VESUVIUS GROUP | Sep 13, 2019 | BROHEZ | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO03081157 |
| DESCRIPTION | WO2007107242 |
| OPPOSITION | EP0632291 |
| OPPOSITION | JP2010156471 |
| SEARCH | EP0632291 |
| SEARCH | EP1310573 |
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.
Date
Description
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Appeal
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Reply to appeal
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Nov 2, 2018
(Electronic) Receipt
Search/Exam
Nov 2, 2018
English translation of the claims
Search/Exam
Nov 2, 2018
French translation of claims
Search/Exam
Nov 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2018
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Intention to grant (signatures)
Search/Exam
Aug 8, 2018
Text intended for grant (clean copy)
Search/Exam
Aug 8, 2018
Jul 11, 2018
Examination started
Search/Exam
Apr 16, 2018
Apr 5, 2017
Payment of fees and costs
Search/Exam
Apr 5, 2017
Payment of fees and costs
Search/Exam
Apr 11, 2016
Payment of fees and costs
Search/Exam
Apr 11, 2016
Payment of fees and costs
Search/Exam
Apr 17, 2015
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Amendments received before examination
Search/Exam
Apr 9, 2015
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Amendments received before examination
Search/Exam
Apr 9, 2015
Payment of fees and costs
Search/Exam
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Payment of fees and costs
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Payment of fees and costs
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Payment of fees and costs
Search/Exam
Oct 20, 2014
Sep 17, 2014
Notification of forthcoming publication
Search/Exam
Mar 26, 2014
Communication to designated inventor
Search/Exam
Mar 26, 2014
Communication to designated inventor
Search/Exam
Mar 25, 2014
Mar 19, 2014
Letter concerning the inventor
Search/Exam
Sep 16, 2013
Sep 16, 2013
European search opinion
Search/Exam
Sep 16, 2013
European search report
Search/Exam
Aug 16, 2013
Letter concerning the inventor
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Jun 25, 2013
Jun 18, 2013
Letter which had not been notified
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Jun 5, 2013
Communication to designated inventor
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Communication to designated inventor
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Jun 5, 2013
Communication to designated inventor
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May 17, 2013
Designation of inventor
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May 17, 2013
Letter concerning the inventor
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May 2, 2013
Deficiency in designation of inventor
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Apr 12, 2013
Abstract
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Apr 12, 2013
Apr 12, 2013
Claims
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Apr 12, 2013
Description
Search/Exam
Apr 12, 2013
Drawings
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Apr 12, 2013
Request for grant of a European patent
Search/Exam