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The patent EP3634931 was granted to M Innovative Properties on Dec 11, 2024. The application was filed on May 24, 2018 under application number EP18812752A. 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 |
|---|---|---|---|
| THE CHEMOURS FC | Aug 20, 2025 | MEWBURN ELLIS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1951838 |
| DESCRIPTION | US2012159976 |
| DESCRIPTION | US2013098396 |
| DESCRIPTION | US2013160469 |
| DESCRIPTION | US2015014606 |
| DESCRIPTION | US8148584 |
| DESCRIPTION | WO2009079525 |
| DESCRIPTION | WO2015095285 |
| DESCRIPTION | WO2016196240 |
| INTERNATIONAL-SEARCH-REPORT | US2006090881 |
| INTERNATIONAL-SEARCH-REPORT | US2012180979 |
| INTERNATIONAL-SEARCH-REPORT | US2016044833 |
| INTERNATIONAL-SEARCH-REPORT | US2016115362 |
| OTHER | EP3634931 |
| OTHER | US2013098396 |
| OTHER | US2015014606 |
| OTHER | US4788352 |
| OTHER | US7959828 |
| OTHER | WO2018053699 |
| OTHER | WO2022096995 |
| SEARCH | EP1951838 |
| SEARCH | US2012159976 |
| SEARCH | US2013098396 |
| SEARCH | US2013160469 |
| SEARCH | US2015014606 |
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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Jan 2, 2025
Nov 14, 2024
Decision to grant a European patent
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Oct 31, 2024
(Electronic) Receipt
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Oct 31, 2024
French translation of claims
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Oct 31, 2024
German translation of the claims
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Oct 31, 2024
Letter accompanying subsequently filed items
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Jul 23, 2024
Jul 23, 2024
Jul 23, 2024
Jul 23, 2024
Intention to grant (signatures)
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Jul 23, 2024
Text intended for grant (clean copy)
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Jul 23, 2024
Mar 18, 2024
Mar 12, 2024
Non-patent literature filed by a third party
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Mar 12, 2024
Non-patent literature filed by a third party
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Mar 12, 2024
Non-patent literature filed by a third party
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Mar 12, 2024
Non-patent literature filed by a third party
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Mar 12, 2024
Non-patent literature filed by a third party
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Mar 12, 2024
Observations by third parties
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Mar 12, 2024
Observations by third parties
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Mar 12, 2024
Observations by third parties
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Feb 20, 2024
(Electronic) Receipt
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Feb 20, 2024
Amended description with annotations
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Feb 20, 2024
Description
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Feb 20, 2024
Letter accompanying subsequently filed items
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Feb 20, 2024
Dec 13, 2023
Annex to the communication
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Dec 13, 2023
Communication from the Examining Division
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Jun 19, 2023
(Electronic) Receipt
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Jun 19, 2023
Letter accompanying subsequently filed items
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Jun 19, 2023
Feb 28, 2023
Annex to the communication
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Feb 28, 2023
Communication from the Examining Division
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Nov 24, 2022
(Electronic) Receipt
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Nov 24, 2022
Amended claims with annotations
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Nov 24, 2022
Claims
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Nov 24, 2022
Letter accompanying subsequently filed items
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Nov 24, 2022
Nov 24, 2022
Nov 24, 2022
Nov 24, 2022
Nov 24, 2022
Jul 28, 2022
Annex to the communication
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Jul 28, 2022
Communication from the Examining Division
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Jul 5, 2022
Jun 30, 2022
Citation filed by a third party
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Jun 30, 2022
Citation filed by a third party
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Jun 30, 2022
Non-patent literature filed by a third party
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Jun 30, 2022
Non-patent literature filed by a third party
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Jun 30, 2022
Non-patent literature filed by a third party
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Jun 30, 2022
Non-patent literature filed by a third party
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Jun 30, 2022
Non-patent literature filed by a third party
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Jun 30, 2022
Observations by third parties
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Jun 30, 2022
Observations by third parties
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Mar 2, 2022
(Electronic) Receipt
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Mar 2, 2022
Amended claims with annotations
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Mar 2, 2022
Claims
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Mar 2, 2022
Letter accompanying subsequently filed items
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Mar 2, 2022
Jan 31, 2022
Jan 25, 2022
(Electronic) Receipt
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Jan 25, 2022
Letter accompanying subsequently filed items
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Jan 25, 2022
Sep 28, 2021
Annex to the communication
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Sep 28, 2021
Communication from the Examining Division
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Sep 23, 2021
Examination started
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Jun 15, 2021
(Electronic) Receipt
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Jun 15, 2021
Jun 15, 2021
Amended claims with annotations
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Jun 15, 2021
Amendments received before examination
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Jun 15, 2021
Letter accompanying subsequently filed items
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Dec 10, 2020
Document concerning representation
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Dec 10, 2020
Nov 23, 2020
Nov 23, 2020
European search opinion
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Nov 23, 2020
Information on Search Strategy
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Nov 23, 2020
Supplementary European search report
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Nov 9, 2020
Search started
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Mar 18, 2020
Jan 17, 2020
Jan 10, 2020
Communication to designated inventor
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Jan 10, 2020
Communication to designated inventor
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Jan 10, 2020
Communication to designated inventor
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Jan 10, 2020
Communication to designated inventor
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Jan 10, 2020
Communication to designated inventor
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Jan 2, 2020
Dec 17, 2019
(Electronic) Receipt
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Dec 17, 2019
Letter accompanying subsequently filed items
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Dec 17, 2019
Submission concerning representation
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Dec 10, 2019
(Electronic) Receipt
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Dec 10, 2019
Dec 10, 2019
Amended claims with annotations
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Dec 10, 2019
Request for entry into the European phase
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Oct 18, 2019
Information on entry into European phase
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Jan 3, 2019
Dec 13, 2018
Copy of the international search report
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Dec 13, 2018
Published international application - A1
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