The weekly litigation news digest is live. Subscribe now
The patent EP3807569 was granted to Grtgaz on Aug 16, 2023. The application was filed on Jun 17, 2019 under application number EP19745686A. 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 |
|---|---|---|---|
| OPEN GRID EUROPE | May 13, 2024 | HARLACHER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013182824 |
| INTERNATIONAL-SEARCH-REPORT | DE102009038128 |
| INTERNATIONAL-SEARCH-REPORT | FR3001523 |
| INTERNATIONAL-SEARCH-REPORT | FR3007417 |
| INTERNATIONAL-SEARCH-REPORT | FR3035598 |
| INTERNATIONAL-SEARCH-REPORT | US2015240996 |
| INTERNATIONAL-SEARCH-REPORT | US7624770 |
| OPPOSITION | DE102009038128 |
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
Dec 18, 2025
Dec 18, 2025
Dec 18, 2025
Dec 12, 2025
Nov 27, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 12, 2025
Nov 12, 2025
Nov 12, 2025
Nov 12, 2025
Nov 12, 2025
Nov 12, 2025
Nov 12, 2025
Aug 19, 2025
Aug 18, 2025
Aug 13, 2025
Aug 6, 2025
Aug 6, 2025
Aug 6, 2025
Aug 1, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 17, 2025
Jul 17, 2025
Jul 17, 2025
Jul 17, 2025
Jul 17, 2025
Jul 17, 2025
Feb 13, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Nov 28, 2024
Oct 10, 2024
Oct 8, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 3, 2024
Oct 1, 2024
Oct 1, 2024
Claims
OPPO
Oct 1, 2024
Oct 1, 2024
Sep 2, 2024
Jun 4, 2024
Jun 4, 2024
May 24, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 14, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
Aug 29, 2023
Jul 20, 2023
Decision to grant a European patent
Search/Exam
Jul 11, 2023
(Electronic) Receipt
Search/Exam
Jul 11, 2023
English translation of the claims
Search/Exam
Jul 11, 2023
Filing of the translations of the claims
Search/Exam
Jul 11, 2023
German translation of the claims
Search/Exam
Jul 11, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2023
Mar 16, 2023
Mar 16, 2023
Mar 16, 2023
Intention to grant (signatures)
Search/Exam
Mar 16, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 16, 2023
Feb 27, 2023
Examination started
Search/Exam
Jul 21, 2021
(Electronic) Receipt
Search/Exam
Jul 21, 2021
Jul 21, 2021
Amended claims with annotations
Search/Exam
Jul 21, 2021
Jul 21, 2021
Amendments received before examination
Search/Exam
Jul 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2021
Jan 22, 2021
Jan 20, 2021
Communication to designated inventor
Search/Exam
Jan 20, 2021
Communication to designated inventor
Search/Exam
Jan 20, 2021
Communication to designated inventor
Search/Exam
Jan 20, 2021
Communication to designated inventor
Search/Exam
Jan 20, 2021
Communication to designated inventor
Search/Exam
Jan 16, 2021
Priority search results copy provided by EPO
Search/Exam
Jan 11, 2021
Dec 15, 2020
(Electronic) Receipt
Search/Exam
Dec 15, 2020
Abstract
Search/Exam
Dec 15, 2020
Dec 15, 2020
Dec 15, 2020
Request for entry into the European phase
Search/Exam
Oct 23, 2020
Information on entry into European phase
Search/Exam
Jan 8, 2020
Dec 19, 2019
Copy of the international search report
Search/Exam
Dec 19, 2019
Copy of the international search report
Search/Exam
Dec 19, 2019
Published international application - A1
Search/Exam
Nov 5, 2019
ISR: cited documents
PCTISA
Nov 5, 2019
Nov 5, 2019
Nov 5, 2019
Nov 5, 2019
Aug 12, 2019
Aug 1, 2019
Abstract
PCTISA
Aug 1, 2019
Claims
PCTISA
Aug 1, 2019
Description
PCTISA
Aug 1, 2019
Drawings
PCTISA
Aug 1, 2019