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The patent EP3604741 was granted to Raytheon on Oct 20, 2021. The application was filed on May 30, 2019 under application number EP19177522A. The patent is currently recorded with a legal status of "Revoked".

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 | Jul 18, 2022 | 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 | CN101424228 |
| OPPOSITION | JP2000213420 |
| SEARCH | EP1522710 |
| SEARCH | EP3306068 |
| SEARCH | US5809772 |
| SEARCH | WO2005012696 |
| SEARCH | WO2015077011 |
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 15, 2025
Refund of fees
Search/Exam
Jul 11, 2025
Jul 11, 2025
Jul 4, 2025
(Electronic) Receipt
Appeal
Jul 4, 2025
Jul 4, 2025
Withdrawal of an appeal
Appeal
Jul 3, 2025
Jun 2, 2025
May 28, 2025
May 28, 2025
May 6, 2025
(Electronic) Receipt
Appeal
May 6, 2025
May 6, 2025
Notice of appeal
Appeal
Mar 4, 2025
Mar 4, 2025
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Means of redress
OPPO
Mar 4, 2025
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Nov 3, 2021
Sep 23, 2021
Decision to grant a European patent
Search/Exam
Sep 13, 2021
(Electronic) Receipt
Search/Exam
Sep 13, 2021
Filing of the translations of the claims
Search/Exam
Sep 13, 2021
French translation of claims
Search/Exam
Sep 13, 2021
German translation of the claims
Search/Exam
Sep 13, 2021
Letter accompanying subsequently filed items
Search/Exam
May 27, 2021
May 27, 2021
May 27, 2021
Intention to grant (signatures)
Search/Exam
May 27, 2021
Text intended for grant (clean copy)
Search/Exam
May 27, 2021
Apr 14, 2021
(Electronic) Receipt
Search/Exam
Apr 14, 2021
Amended claims with annotations
Search/Exam
Apr 14, 2021
Amended description with annotations
Search/Exam
Apr 14, 2021
Claims
Search/Exam
Apr 14, 2021
Description
Search/Exam
Apr 14, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2021
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 10, 2020
Dec 10, 2020
Dec 10, 2020
Intention to grant (signatures)
Search/Exam
Dec 10, 2020
Text intended for grant (clean copy)
Search/Exam
Dec 10, 2020
Nov 9, 2020
Examination started
Search/Exam
Aug 3, 2020
(Electronic) Receipt
Search/Exam
Aug 3, 2020
Aug 3, 2020
Amended claims with annotations
Search/Exam
Aug 3, 2020
Aug 3, 2020
Amended description with annotations
Search/Exam
Aug 3, 2020
Amendments received before examination
Search/Exam
Aug 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2020
Jan 9, 2020
Notification of forthcoming publication
Search/Exam
Nov 28, 2019
Nov 28, 2019
European search opinion
Search/Exam
Nov 28, 2019
European search report
Search/Exam
Nov 28, 2019
Information on Search Strategy
Search/Exam
Nov 15, 2019
Search started
Search/Exam
Jul 23, 2019
Communication to designated inventor
Search/Exam
Jun 14, 2019
Jun 4, 2019
May 30, 2019
Abstract
Search/Exam
May 30, 2019
May 30, 2019
Claims
Search/Exam
May 30, 2019
Description
Search/Exam
May 30, 2019
Designation of inventor
Search/Exam
May 30, 2019
Drawings
Search/Exam
May 30, 2019
Request for grant of a European patent
Search/Exam