The weekly litigation news digest is live. Subscribe now
The patent EP4153919 was granted to Renson on Feb 14, 2024. The application was filed on Mar 26, 2021 under application number EP21720314A. 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 |
|---|---|---|---|
| WILMS | Oct 25, 2024 | PHILIPPAERTS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1865270 |
| DESCRIPTION | EP2363656 |
| DESCRIPTION | US2010170272 |
| INTERNATIONAL-SEARCH-REPORT | US2011112875 |
| INTERNATIONAL-SEARCH-REPORT | US2017003046 |
| INTERNATIONAL-SEARCH-REPORT | US2017167746 |
| INTERNATIONAL-SEARCH-REPORT | WO2019018622 |
| OPPOSITION | EP1865270 |
| OPPOSITION | EP2363656 |
| OPPOSITION | EP2853823 |
| OPPOSITION | EP3614060 |
| OPPOSITION | GB2511333 |
| OPPOSITION | NO315176B |
| OPPOSITION | US2010170272 |
| OPPOSITION | US2011112875 |
| OPPOSITION | US2017030463 |
| OPPOSITION | US2017167746 |
| OPPOSITION | US2018017274 |
| OPPOSITION | WO2019018622 |
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
Aug 1, 2025
Aug 1, 2025
Aug 1, 2025
Aug 1, 2025
Aug 1, 2025
Jul 24, 2025
Jul 24, 2025
Jul 11, 2025
Jul 8, 2025
Jul 8, 2025
Jul 8, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
Jul 3, 2025
May 30, 2025
May 23, 2025
May 23, 2025
May 23, 2025
May 23, 2025
May 23, 2025
May 23, 2025
May 22, 2025
May 13, 2025
May 13, 2025
May 13, 2025
Apr 1, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Mar 26, 2025
Dec 17, 2024
Dec 12, 2024
Dec 12, 2024
Dec 12, 2024
Dec 12, 2024
Dec 12, 2024
Dec 12, 2024
Nov 27, 2024
Nov 27, 2024
Nov 18, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
Nov 4, 2024
Nov 4, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Oct 25, 2024
Mar 7, 2024
Mar 4, 2024
(Electronic) Receipt
Search/Exam
Mar 4, 2024
Annexes in respect of a client data request
Search/Exam
Mar 4, 2024
Annexes in respect of a client data request
Search/Exam
Mar 4, 2024
General authorisation
Search/Exam
Mar 4, 2024
Letter accompanying subsequently filed items
Search/Exam
Mar 4, 2024
Mar 4, 2024
Feb 27, 2024
Jan 18, 2024
Decision to grant a European patent
Search/Exam
Jan 4, 2024
(Electronic) Receipt
Search/Exam
Jan 4, 2024
Filing of the translations of the claims
Search/Exam
Jan 4, 2024
French translation of claims
Search/Exam
Jan 4, 2024
German translation of the claims
Search/Exam
Jan 4, 2024
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Intention to grant (signatures)
Search/Exam
Oct 2, 2023
Text intended for grant (clean copy)
Search/Exam
Oct 2, 2023
Sep 11, 2023
Examination started
Search/Exam
Mar 1, 2023
Feb 27, 2023
(Electronic) Receipt
Search/Exam
Feb 27, 2023
Feb 27, 2023
Amended claims with annotations
Search/Exam
Feb 27, 2023
Feb 27, 2023
Amended description with annotations
Search/Exam
Feb 27, 2023
Amendments received before examination
Search/Exam
Feb 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 5, 2023
Dec 22, 2022
Priority search results copy provided by EPO
Search/Exam
Dec 5, 2022
Sep 21, 2022
Information regarding early processing
Search/Exam
Sep 15, 2022
(Electronic) Receipt
Search/Exam
Sep 15, 2022
General authorisation
Search/Exam
Sep 15, 2022
Request for entry into the European phase
Search/Exam
Dec 13, 2021
Nov 25, 2021
Copy of the international search report
Search/Exam
Nov 25, 2021
Published international application - A1
Search/Exam
Aug 9, 2021
Aug 4, 2021
ISR: cited documents
PCTISA
Aug 4, 2021
Aug 4, 2021
Aug 4, 2021
May 20, 2021
May 5, 2021
Annex
PCTISA
May 5, 2021
Annex
PCTISA
May 5, 2021
May 5, 2021
May 4, 2021
Apr 24, 2021
Abstract
PCTISA
Apr 24, 2021
Claims
PCTISA
Apr 24, 2021
Apr 24, 2021
Apr 24, 2021
Description
PCTISA
Apr 24, 2021
Drawings
PCTISA
Apr 24, 2021
Apr 24, 2021
Apr 24, 2021
Apr 24, 2021
Apr 24, 2021
Apr 24, 2021
Apr 24, 2021
Apr 24, 2021
Apr 24, 2021