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The patent EP3630483 was granted to Saint Gobain on Oct 27, 2021. The application was filed on Dec 13, 2017 under application number EP17816738A. 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 |
|---|---|---|---|
| PILKINGTON GROUP | Jul 22, 2022 | FORTT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2674295 |
| DESCRIPTION | EP2881376 |
| DESCRIPTION | EP3029000 |
| DESCRIPTION | EP3029001 |
| DESCRIPTION | EP3029002 |
| DESCRIPTION | EP3029003 |
| DESCRIPTION | WO2008003789 |
| DESCRIPTION | WO2016030284 |
| DESCRIPTION | WO9519885 |
| INTERNATIONAL-SEARCH-REPORT | EP2674295 |
| INTERNATIONAL-SEARCH-REPORT | EP2881376 |
| INTERNATIONAL-SEARCH-REPORT | EP3029000 |
| INTERNATIONAL-SEARCH-REPORT | EP3029001 |
| INTERNATIONAL-SEARCH-REPORT | EP3029002 |
| INTERNATIONAL-SEARCH-REPORT | EP3029003 |
| INTERNATIONAL-SEARCH-REPORT | WO2008003789 |
| INTERNATIONAL-SEARCH-REPORT | WO2016030284 |
| INTERNATIONAL-SEARCH-REPORT | WO9519885 |
| OPPOSITION | EP3135483 |
| OPPOSITION | JP2007290549 |
| OPPOSITION | US2012025559 |
| OPPOSITION | US3700542 |
| OPPOSITION | US4093438 |
| OPPOSITION | WO2019137674 |
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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Nov 19, 2025
Nov 19, 2025
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Nov 13, 2025
(Electronic) Receipt
Appeal
Nov 13, 2025
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Claims
Appeal
Aug 26, 2024
Claims
Appeal
Aug 26, 2024
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Reply to appeal
Appeal
Apr 24, 2024
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(Electronic) Receipt
Appeal
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Feb 16, 2024
(Electronic) Receipt
Appeal
Feb 16, 2024
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Notice of appeal
Appeal
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Means of redress
OPPO
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Nov 9, 2021
Sep 30, 2021
Decision to grant a European patent
Search/Exam
Sep 20, 2021
(Electronic) Receipt
Search/Exam
Sep 20, 2021
English translation of the claims
Search/Exam
Sep 20, 2021
Filing of the translations of the claims
Search/Exam
Sep 20, 2021
French translation of claims
Search/Exam
Jul 13, 2021
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Intention to grant (signatures)
Search/Exam
Jul 13, 2021
Text intended for grant (clean copy)
Search/Exam
Jul 13, 2021
Apr 6, 2021
Decision to allow further processing
Search/Exam
Mar 24, 2021
(Electronic) Receipt
Search/Exam
Mar 24, 2021
Amended description with annotations
Search/Exam
Mar 24, 2021
Mar 24, 2021
Description
Search/Exam
Mar 24, 2021
Request for further processing
Search/Exam
Oct 23, 2020
Annex to the communication
Search/Exam
Oct 23, 2020
Communication from the Examining Division
Search/Exam
Sep 25, 2020
Examination started
Search/Exam
Aug 7, 2020
Decision to allow further processing
Search/Exam
Jul 29, 2020
(Electronic) Receipt
Search/Exam
Jul 29, 2020
Jul 29, 2020
Amended claims with annotations
Search/Exam
Jul 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2020
Request for further processing
Search/Exam
May 11, 2020
May 5, 2020
Letter accompanying subsequently filed items
Search/Exam
May 5, 2020
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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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Jan 8, 2020
Communication to designated inventor
Search/Exam
Jan 2, 2020
Priority search results copy provided by EPO
Search/Exam
Dec 9, 2019
Nov 5, 2019
Information regarding early processing
Search/Exam
Oct 24, 2019
(Electronic) Receipt
Search/Exam
Oct 24, 2019
Request for entry into the European phase
Search/Exam
Oct 7, 2019
Information on entry into European phase
Search/Exam
Dec 21, 2018
Nov 29, 2018
Copy of the international search report
Search/Exam
Nov 29, 2018
Copy of the international search report
Search/Exam
Nov 29, 2018
Published international application - A1
Search/Exam
Feb 15, 2018
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Dec 13, 2017
(Electronic) Receipt
PCTRO
Dec 13, 2017
Abstract
PCTRO
Dec 13, 2017
Claims
PCTRO
Dec 13, 2017
Description
PCTRO
Dec 13, 2017
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Drawings
PCTRO
Dec 13, 2017
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