The weekly litigation news digest is live. Subscribe now
The patent EP3805011 was granted to Action Composites on May 24, 2023. The application was filed on Dec 8, 2017 under application number EP20211978A. 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 |
|---|---|---|---|
| MUBEA CARBO TECH | Dec 19, 2023 | RENTSCH PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102014226147 |
| EXAMINATION | EP3576963 |
| OPPOSITION | DE102012210469 |
| OPPOSITION | DE102014226147 |
| OPPOSITION | DE102015203900 |
| OPPOSITION | DE102017203172 |
| OPPOSITION | EP0282008 |
| OPPOSITION | EP2848426 |
| OPPOSITION | EP3038840 |
| OPPOSITION | EP3228473 |
| OPPOSITION | EP3576963 |
| OPPOSITION | JPH01215601 |
| OPPOSITION | TW201141720 |
| OPPOSITION | US2011089749 |
| OPPOSITION | US4527839 |
| OPPOSITION | US6729695 |
| OPPOSITION | WO2013045618 |
| OPPOSITION | WO2013083729 |
| OPPOSITION | WO2015018593 |
| OPPOSITION | WO2015028337 |
| OPPOSITION | WO2016066769 |
| OPPOSITION | WO2018073005 |
| OPPOSITION | WO2018141679 |
| OPPOSITION | WO2018153528 |
| SEARCH | DE102008028330 |
| SEARCH | DE102013221514 |
| SEARCH | DE102015203900 |
| SEARCH | EP3576963 |
| SEARCH | JPH01215601 |
| SEARCH | JPS5675201 |
| SEARCH | US2011089749 |
| SEARCH | US2014346845 |
| SEARCH | US2015284836 |
| SEARCH | WO2018141679 |
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
Get instant alerts for new documents
Nov 27, 2025
Nov 27, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 9, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Means of redress
OPPO
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
May 13, 2025
Mar 26, 2025
Mar 6, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Mar 3, 2025
Jan 22, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Jan 16, 2025
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 3, 2024
Dec 3, 2024
Nov 19, 2024
Nov 14, 2024
Nov 14, 2024
Nov 14, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Jul 12, 2024
Jul 9, 2024
Jul 9, 2024
Jul 9, 2024
Mar 11, 2024
Mar 11, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Dec 22, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Jun 6, 2023
Apr 28, 2023
Decision to grant a European patent
Search/Exam
Apr 5, 2023
(Electronic) Receipt
Search/Exam
Apr 5, 2023
English translation of the claims
Search/Exam
Apr 5, 2023
Filing of the translations of the claims
Search/Exam
Apr 5, 2023
French translation of claims
Search/Exam
Apr 5, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2023
Feb 1, 2023
Feb 1, 2023
Jan 25, 2023
(Electronic) Receipt
Search/Exam
Jan 25, 2023
Annexes in respect of a client data request
Search/Exam
Jan 25, 2023
Annexes in respect of a client data request
Search/Exam
Jan 25, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 25, 2023
Dec 15, 2022
Dec 15, 2022
Dec 15, 2022
Dec 15, 2022
Intention to grant (signatures)
Search/Exam
Dec 15, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 15, 2022
Nov 24, 2022
Examination started
Search/Exam
Jul 26, 2021
(Electronic) Receipt
Search/Exam
Jul 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 26, 2021
Priority search results
Search/Exam
Jul 26, 2021
Priority search results
Search/Exam
Jul 26, 2021
May 25, 2021
May 10, 2021
(Electronic) Receipt
Search/Exam
May 10, 2021
May 10, 2021
Amended claims with annotations
Search/Exam
May 10, 2021
May 10, 2021
Amended description with annotations
Search/Exam
May 10, 2021
Amendments received before examination
Search/Exam
May 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2021
Mar 17, 2021
Notification of forthcoming publication
Search/Exam
Jan 27, 2021
Communication to designated inventor
Search/Exam
Jan 27, 2021
Communication to designated inventor
Search/Exam
Jan 27, 2021
Communication to designated inventor
Search/Exam
Jan 13, 2021
Jan 13, 2021
European search opinion
Search/Exam
Jan 13, 2021
European search report
Search/Exam
Jan 13, 2021
Information on Search Strategy
Search/Exam
Jan 13, 2021
Refund of fees
Search/Exam
Dec 23, 2020
Dec 22, 2020
Modified abstract
Search/Exam
Dec 17, 2020
(Electronic) Receipt
Search/Exam
Dec 17, 2020
Designation of inventor
Search/Exam
Dec 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2020
Abstract
Search/Exam
Dec 4, 2020
Dec 4, 2020
Claims
Search/Exam
Dec 4, 2020
Description
Search/Exam
Dec 4, 2020
Designation of inventor
Search/Exam
Dec 4, 2020
Drawings
Search/Exam
Dec 4, 2020
Request for grant of a European patent
Search/Exam
Sep 18, 2018