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The patent EP3409935 was granted to Raytheon on Sep 21, 2022. The application was filed on Jun 15, 2012 under application number EP18184558A. 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 | Jun 21, 2023 | REGIMBEAU | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2009056343 |
| OPPOSITION | EP1617044 |
| OPPOSITION | EP2025898 |
| OPPOSITION | EP2359975 |
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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Jul 23, 2025
Jul 17, 2025
(Electronic) Receipt
Appeal
Jul 17, 2025
Jul 17, 2025
Jul 17, 2025
Reply to appeal
Appeal
Mar 20, 2025
Mar 17, 2025
(Electronic) Receipt
Appeal
Mar 17, 2025
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Jan 15, 2025
(Electronic) Receipt
Appeal
Jan 15, 2025
Jan 15, 2025
Notice of appeal
Appeal
Nov 15, 2024
Nov 15, 2024
Nov 15, 2024
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Nov 15, 2024
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Nov 15, 2024
Means of redress
OPPO
Nov 15, 2024
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Oct 5, 2022
Aug 25, 2022
Decision to grant a European patent
Search/Exam
Aug 15, 2022
(Electronic) Receipt
Search/Exam
Aug 15, 2022
Filing of the translations of the claims
Search/Exam
Aug 15, 2022
French translation of claims
Search/Exam
Aug 15, 2022
German translation of the claims
Search/Exam
Aug 15, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 4, 2022
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Intention to grant (signatures)
Search/Exam
Apr 4, 2022
Text intended for grant (clean copy)
Search/Exam
Apr 4, 2022
Jan 24, 2022
Jan 10, 2022
(Electronic) Receipt
Search/Exam
Jan 10, 2022
Amended claims with annotations
Search/Exam
Jan 10, 2022
Amended description with annotations
Search/Exam
Jan 10, 2022
Claims
Search/Exam
Jan 10, 2022
Description
Search/Exam
Jan 10, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2022
Jun 21, 2021
Annex to the communication
Search/Exam
Jun 21, 2021
Summons to attend oral proceedings
Search/Exam
Mar 4, 2021
Decision to allow further processing
Search/Exam
Feb 25, 2021
(Electronic) Receipt
Search/Exam
Feb 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2021
Request for further processing
Search/Exam
Feb 19, 2021
Feb 8, 2021
Authorisation
Search/Exam
Feb 8, 2021
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
Dec 15, 2020
Sep 29, 2020
Sep 24, 2020
(Electronic) Receipt
Search/Exam
Sep 24, 2020
May 14, 2020
Annex to the communication
Search/Exam
May 14, 2020
Communication from the Examining Division
Search/Exam
May 6, 2020
Examination started
Search/Exam
Jan 24, 2020
Jan 24, 2020
Jan 17, 2020
(Electronic) Receipt
Search/Exam
Jan 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2020
Non-patent literature filed by a third party
Search/Exam
Jan 17, 2020
Observations by third parties
Search/Exam
Oct 4, 2019
Decision to allow further processing
Search/Exam
Sep 23, 2019
(Electronic) Receipt
Search/Exam
Sep 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 23, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Jul 12, 2019
Jun 4, 2019
(Electronic) Receipt
Search/Exam
Jun 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2018
Nov 7, 2018
Notification of forthcoming publication
Search/Exam
Oct 15, 2018
Refund of fees
Search/Exam
Oct 9, 2018
Oct 9, 2018
European search opinion
Search/Exam
Oct 9, 2018
European search report
Search/Exam
Oct 9, 2018
Information on Search Strategy
Search/Exam
Sep 26, 2018
Search started
Search/Exam
Sep 11, 2018
Communication to designated inventor
Search/Exam
Sep 11, 2018
Communication to designated inventor
Search/Exam
Sep 11, 2018
Communication to designated inventor
Search/Exam
Sep 11, 2018
Communication to designated inventor
Search/Exam
Sep 11, 2018
Communication to designated inventor
Search/Exam
Sep 11, 2018
Communication to designated inventor
Search/Exam
Jul 19, 2018
Abstract
Search/Exam
Jul 19, 2018
Jul 19, 2018
Claims
Search/Exam
Jul 19, 2018
Description
Search/Exam
Jul 19, 2018
Designation of inventor
Search/Exam
Jul 19, 2018
Drawings
Search/Exam
Jul 19, 2018
Matter concerning the application
Search/Exam
Jul 19, 2018
Request for grant of a European patent
Search/Exam
Aug 21, 2012
Aug 16, 2012
Aug 16, 2012