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The patent EP3808942 was granted to Raytheon on Dec 14, 2022. The application was filed on Oct 8, 2020 under application number EP20200876A. 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 | Sep 14, 2023 | 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 | EP3266983 |
| OPPOSITION | EP3460194 |
| OPPOSITION | FR3061928 |
| OPPOSITION | US10408062 |
| SEARCH | EP2949866 |
| SEARCH | EP3460194 |
| SEARCH | US2018045055 |
| SEARCH | US2019153875 |
| SEARCH | US2020190989 |
| SEARCH | WO2019003590 |
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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Oct 29, 2025
Oct 29, 2025
Oct 24, 2025
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(Electronic) Receipt
Appeal
Oct 3, 2025
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Reply to appeal
Appeal
Sep 5, 2025
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May 27, 2025
(Electronic) Receipt
Appeal
May 27, 2025
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Mar 24, 2025
(Electronic) Receipt
Appeal
Mar 24, 2025
Mar 24, 2025
Notice of appeal
Appeal
Jan 27, 2025
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Means of redress
OPPO
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Annexes in respect of a client data request
Search/Exam
Sep 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2023
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Sep 14, 2023
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Nov 17, 2022
Decision to grant a European patent
Search/Exam
Nov 7, 2022
(Electronic) Receipt
Search/Exam
Nov 7, 2022
Filing of the translations of the claims
Search/Exam
Nov 7, 2022
French translation of claims
Search/Exam
Nov 7, 2022
German translation of the claims
Search/Exam
Nov 7, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 7, 2022
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Intention to grant (signatures)
Search/Exam
Jul 7, 2022
Text intended for grant (clean copy)
Search/Exam
Jul 7, 2022
May 25, 2022
Examination started
Search/Exam
Oct 21, 2021
(Electronic) Receipt
Search/Exam
Oct 21, 2021
Oct 21, 2021
Amended claims with annotations
Search/Exam
Oct 21, 2021
Oct 21, 2021
Amended description with annotations
Search/Exam
Oct 21, 2021
Amendments received before examination
Search/Exam
Oct 21, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2021
Mar 24, 2021
Notification of forthcoming publication
Search/Exam
Mar 19, 2021
Mar 19, 2021
European search opinion
Search/Exam
Mar 19, 2021
European search report
Search/Exam
Mar 19, 2021
Information on Search Strategy
Search/Exam
Mar 13, 2021
Modified abstract
Search/Exam
Dec 22, 2020
Communication to designated inventor
Search/Exam
Dec 22, 2020
Communication to designated inventor
Search/Exam
Dec 22, 2020
Communication to designated inventor
Search/Exam
Nov 5, 2020
Nov 2, 2020
Oct 8, 2020
Abstract
Search/Exam
Oct 8, 2020
Oct 8, 2020
Claims
Search/Exam
Oct 8, 2020
Description
Search/Exam
Oct 8, 2020
Designation of inventor
Search/Exam
Oct 8, 2020
Drawings
Search/Exam
Oct 8, 2020
Request for grant of a European patent
Search/Exam