The patent EP3578760 was granted to Safran Aircraft Engines on Oct 11, 2023. The application was originally filed on May 27, 2019 under application number EP19176673A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1312762 |
| OPPOSITION | US2005106002 |
| OPPOSITION | US2006216154 |
| OPPOSITION | US2013224035 |
| OPPOSITION | US2016230570 |
| SEARCH | EP3015646 |
| SEARCH | EP3279431 |
| SEARCH | US2014112796 |
| SEARCH | WO2012001279 |
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Date
Description
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Sep 14, 2023
Sep 14, 2023
Sep 8, 2023
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Sep 1, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jun 23, 2023
Jun 7, 2023
Refund of fees
OPPO
May 10, 2023
May 10, 2023
Apr 4, 2023
Apr 3, 2023
(Electronic) Receipt
Appeal
Apr 3, 2023
Apr 3, 2023
Withdrawal of an appeal
Appeal
Feb 9, 2023
Feb 9, 2023
Feb 3, 2023
(Electronic) Receipt
Appeal
Feb 3, 2023
Feb 3, 2023
Notice of appeal
Appeal
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
Nov 23, 2022
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Means of redress
OPPO
Nov 23, 2022
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Nov 30, 2020
Oct 22, 2020
Decision to grant a European patent
Search/Exam
Oct 6, 2020
(Electronic) Receipt
Search/Exam
Oct 6, 2020
English translation of the claims
Search/Exam
Oct 6, 2020
German translation of the claims
Search/Exam
Oct 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 7, 2020
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Intention to grant (signatures)
Search/Exam
Jul 7, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 7, 2020
Jun 16, 2020
Examination started
Search/Exam
May 26, 2020
(Electronic) Receipt
Search/Exam
May 26, 2020
May 26, 2020
Amended claims with annotations
Search/Exam
May 26, 2020
May 26, 2020
Amended description with annotations
Search/Exam
May 26, 2020
May 26, 2020
Amendments received before examination
Search/Exam
May 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2019
Dec 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 11, 2019
Letter concerning the priority
Search/Exam
Dec 11, 2019
Priority document
Search/Exam
Nov 18, 2019
Invitation to file priority document
Search/Exam
Nov 13, 2019
Notification of forthcoming publication
Search/Exam
Oct 28, 2019
Refund of fees
Search/Exam
Jul 19, 2019
Communication to designated inventor
Search/Exam
Jul 9, 2019
Jul 9, 2019
European search opinion
Search/Exam
Jul 9, 2019
European search report
Search/Exam
Jul 9, 2019
Information on Search Strategy
Search/Exam
Jul 4, 2019
Priority search results copy provided by EPO
Search/Exam
Jun 25, 2019
Search started
Search/Exam
May 27, 2019
Abstract
Search/Exam
May 27, 2019
May 27, 2019
Claims
Search/Exam
May 27, 2019
Description
Search/Exam
May 27, 2019
Designation of inventor
Search/Exam
May 27, 2019
Drawings
Search/Exam
May 27, 2019
Priority search results
Search/Exam
May 27, 2019
Request for grant of a European patent
Search/Exam