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The patent EP3690189 was granted to Raytheon on Apr 5, 2023. The application was filed on Jan 31, 2020 under application number EP20155024A. 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 |
|---|---|---|---|
| SAFRAN AIRCRAFT ENGINES | Jan 5, 2024 | CABINET BEAU DE LOMENIE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP3090143 |
| OPPOSITION | EP3683403 |
| OPPOSITION | US2010172749 |
| OPPOSITION | US5466123 |
| OPPOSITION | WO2018004583 |
| SEARCH | EP2458148 |
| SEARCH | EP3032032 |
| SEARCH | US2012315136 |
| SEARCH | US5397215 |
| SEARCH | US7011495 |
| SEARCH | WO2016032506 |
| SEARCH | WO2018219611 |
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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Dec 1, 2025
Dec 1, 2025
Nov 24, 2025
(Electronic) Receipt
Appeal
Nov 24, 2025
Nov 24, 2025
Notice of appeal
Appeal
Sep 23, 2025
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Means of redress
OPPO
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Sep 27, 2023
Annexes in respect of a client data request
Search/Exam
Sep 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2023
Apr 18, 2023
Mar 10, 2023
Decision to grant a European patent
Search/Exam
Feb 20, 2023
(Electronic) Receipt
Search/Exam
Feb 20, 2023
Filing of the translations of the claims
Search/Exam
Feb 20, 2023
French translation of claims
Search/Exam
Feb 20, 2023
German translation of the claims
Search/Exam
Oct 10, 2022
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Intention to grant (signatures)
Search/Exam
Oct 10, 2022
Text intended for grant (clean copy)
Search/Exam
Oct 10, 2022
Sep 20, 2022
Examination started
Search/Exam
Feb 19, 2021
Feb 8, 2021
Authorisation
Search/Exam
Feb 8, 2021
Feb 5, 2021
(Electronic) Receipt
Search/Exam
Feb 5, 2021
Feb 5, 2021
Amended claims with annotations
Search/Exam
Feb 5, 2021
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Amended description with annotations
Search/Exam
Feb 5, 2021
Amendments received before examination
Search/Exam
Feb 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 18, 2021
Dec 18, 2020
Annexes in respect of a client data request
Search/Exam
Dec 18, 2020
Annexes in respect of a client data request
Search/Exam
Dec 18, 2020
Sep 4, 2020
Communication to designated inventor
Search/Exam
Aug 28, 2020
(Electronic) Receipt
Search/Exam
Aug 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2020
Aug 11, 2020
Letter which had not been notified
Search/Exam
Aug 10, 2020
Jul 8, 2020
Notification of forthcoming publication
Search/Exam
May 13, 2020
May 13, 2020
European search opinion
Search/Exam
May 13, 2020
European search report
Search/Exam
May 13, 2020
Information on Search Strategy
Search/Exam
Apr 30, 2020
Search started
Search/Exam
Apr 17, 2020
Communication to designated inventor
Search/Exam
Apr 17, 2020
Communication to designated inventor
Search/Exam
Apr 17, 2020
Communication to designated inventor
Search/Exam
Apr 3, 2020
Mar 31, 2020
Jan 31, 2020
Abstract
Search/Exam
Jan 31, 2020
Jan 31, 2020
Claims
Search/Exam
Jan 31, 2020
Description
Search/Exam
Jan 31, 2020
Designation of inventor
Search/Exam
Jan 31, 2020
Drawings
Search/Exam
Jan 31, 2020
Request for grant of a European patent
Search/Exam