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The patent EP3374108 was granted to Vesuvius Group on Aug 31, 2022. The application was filed on Nov 8, 2016 under application number EP16797787A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| REFRACTORY | Oct 8, 2020 | BERKENBRINK | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
Nov 18, 2019
Nov 7, 2019
(Electronic) Receipt
Search/Exam
Nov 7, 2019
Filing of the translations of the claims
Search/Exam
Nov 7, 2019
French translation of claims
Search/Exam
Nov 7, 2019
German translation of the claims
Search/Exam
Nov 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2019
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Intention to grant (signatures)
Search/Exam
Jul 12, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 12, 2019
May 20, 2019
Examination started
Search/Exam
Dec 20, 2018
(Electronic) Receipt
Search/Exam
Dec 20, 2018
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Amendments received before examination
Search/Exam
Dec 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 22, 2018
Aug 7, 2018
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Letter which had not been notified
Search/Exam
Jun 21, 2018
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Jun 14, 2018
Priority search results copy provided by EPO
Search/Exam
May 28, 2018
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(Electronic) Receipt
Search/Exam
May 18, 2018
Request for entry into the European phase
Search/Exam
Mar 23, 2018
Information on entry into European phase
Search/Exam
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Notification of the recording of a change
Search/Exam
Jun 7, 2017
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Copy of the international search report
Search/Exam
May 18, 2017
Published international application - A1
Search/Exam
Feb 20, 2017
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Annex
PCTRO
Dec 21, 2016
Annex
PCTRO
Dec 21, 2016
Annex
PCTRO
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(Electronic) Receipt
PCTRO
Nov 8, 2016
Abstract
PCTRO
Nov 8, 2016
Claims
PCTRO
Nov 8, 2016
Description
PCTRO
Nov 8, 2016
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Drawings
PCTRO
Nov 8, 2016
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