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The patent EP3365304 was granted to Saint Gobain on Aug 14, 2019. The application was filed on Oct 19, 2016 under application number EP16806214A. 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 |
|---|---|---|---|
| REFRACTORY | May 13, 2020 | BERKENBRINK | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN101786889 |
| DESCRIPTION | US3993119 |
| DESCRIPTION | WO2012045302 |
| INTERNATIONAL-SEARCH-REPORT | CN101786889 |
| INTERNATIONAL-SEARCH-REPORT | CN1546421 |
| INTERNATIONAL-SEARCH-REPORT | FR2787106 |
| INTERNATIONAL-SEARCH-REPORT | US2011237420 |
| OPPOSITION | EP2848598 |
| OPPOSITION | GB1243606 |
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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Letter accompanying subsequently filed items
Search/Exam
May 5, 2020
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Aug 26, 2019
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Decision to grant a European patent
Search/Exam
Jul 11, 2019
Submission concerning representation
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Jul 2, 2019
(Electronic) Receipt
Search/Exam
Jul 2, 2019
English translation of the claims
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Jul 2, 2019
Filing of the translations of the claims
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Jul 2, 2019
German translation of the claims
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Jul 2, 2019
Letter accompanying subsequently filed items
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Intention to grant (signatures)
Search/Exam
Apr 17, 2019
Text intended for grant (clean copy)
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Apr 17, 2019
Mar 7, 2019
Examination started
Search/Exam
Feb 20, 2019
Feb 12, 2019
(Electronic) Receipt
Search/Exam
Feb 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 12, 2019
Request for a decision
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Jan 14, 2019
Claim deemed abandoned
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Dec 4, 2018
(Electronic) Receipt
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Dec 4, 2018
Letter accompanying subsequently filed items
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Dec 4, 2018
Reply to Written Opinion prepared by the EPO
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Aug 1, 2018
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Letter which had not been notified
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Jun 4, 2018
May 30, 2018
Communication to designated inventor
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May 30, 2018
Communication to designated inventor
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May 25, 2018
Priority search results copy provided by EPO
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May 25, 2018
Priority search results copy provided by EPO
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May 9, 2018
Mar 20, 2018
(Electronic) Receipt
Search/Exam
Mar 20, 2018
Request for entry into the European phase
Search/Exam
Mar 2, 2018
Information on entry into European phase
Search/Exam
May 15, 2017
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Apr 27, 2017
Copy of the international search report
Search/Exam
Apr 27, 2017
Copy of the international search report
Search/Exam
Apr 27, 2017
Published international application - A1
Search/Exam
Mar 15, 2017
ISR: cited documents
PCTISA
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Abstract
PCTISA
Oct 19, 2016
Claims
PCTISA
Oct 19, 2016
Description
PCTISA
Oct 19, 2016
Drawings
PCTISA