The weekly litigation news digest is live. Subscribe now
The patent EP3625879 was granted to IFP Energies Nouvelles on Mar 30, 2022. The application was filed on May 2, 2018 under application number EP18719600A. 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 |
|---|---|---|---|
| LENZE | Dec 30, 2022 | FREISCHEM & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102005059018 |
| INTERNATIONAL-SEARCH-REPORT | JP2004336965 |
| INTERNATIONAL-SEARCH-REPORT | WO2013072892 |
| OPPOSITION | DE102005059018 |
| OPPOSITION | DE102010039008 |
| OPPOSITION | DE4134552 |
| OPPOSITION | JP2004336965 |
| OPPOSITION | US2008079330 |
| OPPOSITION | US2015357869 |
| OPPOSITION | WO2011040247 |
| OPPOSITION | WO2013072892 |
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
Mar 20, 2025
Mar 20, 2025
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Means of redress
OPPO
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Dec 13, 2024
Oct 10, 2024
Sep 25, 2024
Sep 25, 2024
Sep 13, 2024
Sep 13, 2024
Sep 11, 2024
Sep 11, 2024
Sep 11, 2024
Aug 19, 2024
Aug 19, 2024
Aug 9, 2024
Aug 8, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
Apr 22, 2024
Apr 16, 2024
Apr 16, 2024
Apr 16, 2024
Feb 16, 2024
Feb 13, 2024
Feb 12, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jan 29, 2024
Jun 1, 2023
May 26, 2023
Jan 17, 2023
Jan 17, 2023
Jan 5, 2023
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Dec 30, 2022
Apr 12, 2022
Mar 3, 2022
Decision to grant a European patent
Search/Exam
Feb 11, 2022
English translation of the claims
Search/Exam
Feb 11, 2022
Filing of the translations of the claims
Search/Exam
Feb 11, 2022
German translation of the claims
Search/Exam
Feb 11, 2022
Letter concerning fees and payments
Search/Exam
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Intention to grant (signatures)
Search/Exam
Dec 3, 2021
Text intended for grant (clean copy)
Search/Exam
Dec 3, 2021
Nov 5, 2021
Examination started
Search/Exam
Jun 10, 2021
May 26, 2021
May 3, 2021
Annexes in respect of a client data request
Search/Exam
May 3, 2021
Annexes in respect of a client data request
Search/Exam
Mar 2, 2021
Feb 16, 2021
Annexes in respect of a client data request
Search/Exam
Feb 16, 2021
Jul 7, 2020
Jul 7, 2020
Amended claims with annotations
Search/Exam
Jul 7, 2020
Amendments received before examination
Search/Exam
Jul 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 17, 2020
Jun 8, 2020
Jun 3, 2020
May 29, 2020
May 20, 2020
Annexes in respect of a client data request
Search/Exam
May 20, 2020
General authorisation
Search/Exam
May 20, 2020
Letter accompanying subsequently filed items
Search/Exam
May 20, 2020
May 20, 2020
May 20, 2020
Feb 26, 2020
Jan 7, 2020
Jan 2, 2020
Communication to designated inventor
Search/Exam
Jan 2, 2020
Communication to designated inventor
Search/Exam
Jan 2, 2020
Communication to designated inventor
Search/Exam
Dec 18, 2019
Priority search results copy provided by EPO
Search/Exam
Dec 3, 2019
Oct 16, 2019
(Electronic) Receipt
Search/Exam
Oct 16, 2019
Request for entry into the European phase
Search/Exam
Sep 27, 2019
Information on entry into European phase
Search/Exam
Dec 11, 2018
Nov 22, 2018
Copy of the international search report
Search/Exam
Nov 22, 2018
Copy of the international search report
Search/Exam
Nov 22, 2018
Published international application - A1
Search/Exam
Oct 3, 2018
(Electronic) Receipt
PCTRO
Oct 3, 2018
Oct 3, 2018
Jul 20, 2018
ISR: cited documents
PCTISA
Jul 20, 2018
Jul 18, 2018
Jul 18, 2018
Jul 18, 2018
May 11, 2018
May 8, 2018
May 4, 2018
May 2, 2018
(Electronic) Receipt
PCTRO
May 2, 2018
Abstract
PCTRO
May 2, 2018
Claims
PCTRO
May 2, 2018
Description
PCTRO
May 2, 2018
May 2, 2018
Drawings
PCTRO
May 2, 2018