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The patent EP3584230 was granted to Johns Manville on Jan 5, 2022. The application was filed on Jun 17, 2019 under application number EP19180596A. The patent is currently recorded with a legal status of "Revoked".

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 | Sep 30, 2022 | RENARD | ADMISSIBLE |
| POLITEX DI FREUDENBERG POLITEX | Sep 28, 2022 | BANSE & STEGLICH PATENTANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP3034555 |
| OPPOSITION | EP3085728 |
| OPPOSITION | EP3199312 |
| OPPOSITION | US2009275699 |
| OPPOSITION | US2014273685 |
| OPPOSITION | WO2008053332 |
| OPPOSITION | WO2012059687 |
| OPPOSITION | WO2013057086 |
| OPPOSITION | WO2015144843 |
| OTHER | WO2013057086 |
| SEARCH | EP3034555 |
| SEARCH | US2009275699 |
| SEARCH | WO2008053332 |
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
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Dec 9, 2021
Decision to grant a European patent
Search/Exam
Oct 26, 2021
(Electronic) Receipt
Search/Exam
Oct 26, 2021
Filing of the translations of the claims
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Oct 26, 2021
French translation of claims
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Oct 26, 2021
German translation of the claims
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Oct 26, 2021
Letter accompanying subsequently filed items
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Jul 21, 2021
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Intention to grant (signatures)
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Jul 21, 2021
Text intended for grant (clean copy)
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Jul 21, 2021
Feb 4, 2021
(Electronic) Receipt
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Feb 4, 2021
Amended claims with annotations
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Feb 4, 2021
Amended description with annotations
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Feb 4, 2021
Claims
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Feb 4, 2021
Description
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Feb 4, 2021
Letter accompanying subsequently filed items
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Feb 4, 2021
Dec 14, 2020
Annex to the communication
Search/Exam
Dec 14, 2020
Communication from the Examining Division
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Dec 7, 2020
Examination started
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Jul 24, 2020
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Non-patent literature filed by a third party
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Jul 17, 2020
Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Non-patent literature filed by a third party
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Jul 17, 2020
Observations by third parties
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Jul 17, 2020
Patent document filed by a Third party
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Apr 21, 2020
(Electronic) Receipt
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Apr 21, 2020
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Amended claims with annotations
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Apr 21, 2020
Amendments received before examination
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Apr 21, 2020
Letter accompanying subsequently filed items
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Apr 21, 2020
Letter concerning fees and payments
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Jan 16, 2020
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Dec 19, 2019
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Nov 27, 2019
Notification of forthcoming publication
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Nov 11, 2019
Nov 11, 2019
European search opinion
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Nov 11, 2019
European search report
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Nov 11, 2019
Information on Search Strategy
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Oct 22, 2019
Search started
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Sep 2, 2019
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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Sep 2, 2019
Communication to designated inventor
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Sep 2, 2019
Communication to designated inventor
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Aug 27, 2019
Aug 19, 2019
Jun 17, 2019
Abstract
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Jun 17, 2019
Jun 17, 2019
Annex
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Jun 17, 2019
Claims
Search/Exam
Jun 17, 2019
Description
Search/Exam
Jun 17, 2019
Designation of inventor
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Jun 17, 2019
Drawings
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Jun 17, 2019
Request for grant of a European patent
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