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The patent EP4012087 was granted to Owens Corning Capital on Oct 18, 2023. The application was filed on Jun 6, 2017 under application number EP21211927A. 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 |
|---|---|---|---|
| SAINT GOBAIN | Jul 17, 2024 | SAINT GOBAIN RECHERCHE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | US2010222459 |
| OPPOSITION | US2010222463 |
| OPPOSITION | US5800676 |
| OPPOSITION | WO2011045531 |
| OPPOSITION | WO2017214083 |
| SEARCH | EP2990494 |
| SEARCH | US2014120348 |
| SEARCH | US3208165 |
| SEARCH | US5244695 |
| SEARCH | WO2005087837 |
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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Authorisation
OPPO
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Decision to grant a European patent
Search/Exam
Sep 7, 2023
(Electronic) Receipt
Search/Exam
Sep 7, 2023
Filing of the translations of the claims
Search/Exam
Sep 7, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 8, 2023
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Intention to grant (signatures)
Search/Exam
Aug 8, 2023
Text intended for grant (clean copy)
Search/Exam
Aug 8, 2023
Jul 13, 2023
(Electronic) Receipt
Search/Exam
Jul 13, 2023
Amended claims with annotations
Search/Exam
Jul 13, 2023
Claims
Search/Exam
Jul 13, 2023
French translation of claims
Search/Exam
Jul 13, 2023
German translation of the claims
Search/Exam
Jul 13, 2023
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2023
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Apr 12, 2023
Intention to grant (signatures)
Search/Exam
Apr 12, 2023
Text intended for grant (clean copy)
Search/Exam
Apr 12, 2023
Mar 24, 2023
Examination started
Search/Exam
Dec 7, 2022
(Electronic) Receipt
Search/Exam
Dec 7, 2022
Dec 7, 2022
Dec 7, 2022
Amended description with annotations
Search/Exam
Dec 7, 2022
Amendments received before examination
Search/Exam
Dec 7, 2022
Annex
Search/Exam
Dec 7, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 21, 2022
May 18, 2022
Notification of forthcoming publication
Search/Exam
May 18, 2022
Refund of fees
Search/Exam
May 13, 2022
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European search opinion
Search/Exam
May 13, 2022
European search report
Search/Exam
May 13, 2022
Information on Search Strategy
Search/Exam
Dec 2, 2021
Abstract
Search/Exam
Dec 2, 2021
Dec 2, 2021
Amendments received before examination
Search/Exam
Dec 2, 2021
Claims
Search/Exam
Dec 2, 2021
Description
Search/Exam
Dec 2, 2021
Designation of inventor
Search/Exam
Dec 2, 2021
Drawings
Search/Exam
Dec 2, 2021
Request for grant of a European patent
Search/Exam
Jan 3, 2018