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The patent EP3869008 was granted to Raytheon on Jan 18, 2023. The application was filed on Feb 17, 2021 under application number EP21157689A. 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 | Oct 17, 2023 | BREVALEX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN105781626 |
| OPPOSITION | EP2258926 |
| OPPOSITION | EP3460201 |
| OPPOSITION | FR2139741 |
| OPPOSITION | FR2659690 |
| OPPOSITION | GB2073631 |
| OPPOSITION | US2018371914 |
| SEARCH | EP2177717 |
| SEARCH | EP3232008 |
| SEARCH | US2013302168 |
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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Nov 7, 2025
Nov 7, 2025
Nov 5, 2025
(Electronic) Receipt
Appeal
Nov 5, 2025
Notice of appeal
Appeal
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Notice of appeal
Appeal
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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
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
Dec 14, 2022
Filing of the translations of the claims
Search/Exam
Dec 14, 2022
French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
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Text intended for grant (clean copy)
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Examination started
Search/Exam
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(Electronic) Receipt
Search/Exam
Feb 23, 2022
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Amended claims with annotations
Search/Exam
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Amended description with annotations
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Feb 23, 2022
Amendments received before examination
Search/Exam
Feb 23, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 30, 2021
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Notification of forthcoming publication
Search/Exam
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European search opinion
Search/Exam
Jun 30, 2021
European search report
Search/Exam
Jun 30, 2021
Information on Search Strategy
Search/Exam
Jun 15, 2021
Search started
Search/Exam
Apr 15, 2021
(Electronic) Receipt
Search/Exam
Apr 15, 2021
Designation of inventor
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Apr 15, 2021
Designation of inventor
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Apr 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 22, 2021
Deficiency in designation of inventor
Search/Exam
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Abstract
Search/Exam
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Claims
Search/Exam
Feb 17, 2021
Description
Search/Exam
Feb 17, 2021
Drawings
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Feb 17, 2021
Request for grant of a European patent
Search/Exam