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The patent EP3860960 was granted to Rockwool on Apr 19, 2023. The application was filed on Oct 7, 2019 under application number EP19782612A. 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 | Jan 19, 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 |
|---|---|
| DESCRIPTION | EP0583086 |
| DESCRIPTION | EP0990727 |
| DESCRIPTION | EP1741726 |
| DESCRIPTION | EP3299421 |
| DESCRIPTION | US2007173588 |
| DESCRIPTION | US3227667 |
| DESCRIPTION | US5318990 |
| DESCRIPTION | US6706853 |
| DESCRIPTION | US6818699 |
| DESCRIPTION | WO0105725 |
| DESCRIPTION | WO0196460 |
| DESCRIPTION | WO0206178 |
| DESCRIPTION | WO2004007615 |
| DESCRIPTION | WO2006061249 |
| DESCRIPTION | WO2008023032 |
| DESCRIPTION | WO2014080033 |
| DESCRIPTION | WO9936368 |
| EXAMINATION | US2011086567 |
| INTERNATIONAL-SEARCH-REPORT | CN107286873 |
| INTERNATIONAL-SEARCH-REPORT | EP3299421 |
| INTERNATIONAL-SEARCH-REPORT | US3285801 |
| INTERNATIONAL-SEARCH-REPORT | WO2012136894 |
| OPPOSITION | WO2016009054 |
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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Dec 11, 2025
Dec 11, 2025
Dec 4, 2025
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Dec 3, 2025
(Electronic) Receipt
Appeal
Dec 3, 2025
Dec 3, 2025
Notice of appeal
Appeal
Dec 2, 2025
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Means of redress
Search/Exam
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Authorisation
OPPO
Nov 13, 2024
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May 4, 2023
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Decision to grant a European patent
Search/Exam
Mar 20, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 20, 2023
Mar 3, 2023
(Electronic) Receipt
Search/Exam
Mar 3, 2023
Filing of the translations of the claims
Search/Exam
Mar 3, 2023
French translation of claims
Search/Exam
Mar 3, 2023
German translation of the claims
Search/Exam
Mar 3, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 29, 2022
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Nov 8, 2022
Intention to grant (signatures)
Search/Exam
Nov 8, 2022
Text intended for grant (clean copy)
Search/Exam
Nov 8, 2022
Oct 26, 2022
Annexes in respect of a client data request
Search/Exam
Oct 26, 2022
Aug 19, 2022
Examination started
Search/Exam
Nov 29, 2021
(Electronic) Receipt
Search/Exam
Nov 29, 2021
Nov 29, 2021
Amended claims with annotations
Search/Exam
Nov 29, 2021
Amendments received before examination
Search/Exam
Nov 29, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 27, 2021
Payment submission rejected
Search/Exam
Jul 14, 2021
May 19, 2021
May 11, 2021
Priority search results copy provided by EPO
Search/Exam
May 3, 2021
(Electronic) Receipt
Search/Exam
May 3, 2021
Request for entry into the European phase
Search/Exam
Apr 19, 2021
Feb 12, 2021
Information on entry into European phase
Search/Exam
Apr 30, 2020
Apr 9, 2020
Copy of the international search report
Search/Exam
Apr 9, 2020
Published international application - A1
Search/Exam
Dec 16, 2019
(Electronic) Receipt
PCTRO
Dec 16, 2019
Dec 16, 2019
Dec 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 7, 2019
(Electronic) Receipt
PCTRO
Oct 7, 2019
Abstract
PCTRO
Oct 7, 2019
Claims
PCTRO
Oct 7, 2019
Description
PCTRO
Oct 7, 2019
Oct 7, 2019
Drawings
PCTRO
Oct 7, 2019
Oct 7, 2019