The patent EP3673164 was granted to Safran Aircraft Engines on Apr 3, 2024. The application was originally filed on Aug 24, 2018 under application number EP18769757A. 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 | FR20180054044 |
| INTERNATIONAL-SEARCH-REPORT | WO2014197155 |
| INTERNATIONAL-SEARCH-REPORT | WO2017109330 |
| OPPOSITION | US2008247865 |
| OPPOSITION | US2013025258 |
| OPPOSITION | US2015192070 |
| OPPOSITION | US3448582 |
| OPPOSITION | US8402741 |
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Date
Description
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Mar 7, 2024
Mar 7, 2024
Feb 28, 2024
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Dec 12, 2023
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Dec 1, 2023
Refund of fees
Appeal
Nov 29, 2023
Nov 29, 2023
Nov 24, 2023
(Electronic) Receipt
Appeal
Nov 24, 2023
Nov 24, 2023
Nov 24, 2023
Withdrawal of an appeal
Appeal
Sep 29, 2023
Sep 29, 2023
Sep 25, 2023
(Electronic) Receipt
Appeal
Sep 25, 2023
Sep 25, 2023
Notice of appeal
Appeal
Jul 24, 2023
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Means of redress
OPPO
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Apr 28, 2021
Mar 18, 2021
Decision to grant a European patent
Search/Exam
Mar 3, 2021
(Electronic) Receipt
Search/Exam
Mar 3, 2021
English translation of the claims
Search/Exam
Mar 3, 2021
Filing of the translations of the claims
Search/Exam
Mar 3, 2021
German translation of the claims
Search/Exam
Mar 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2021
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Intention to grant (signatures)
Search/Exam
Jan 13, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 13, 2021
Nov 30, 2020
Examination started
Search/Exam
Sep 15, 2020
(Electronic) Receipt
Search/Exam
Sep 15, 2020
Sep 15, 2020
Amended description with annotations
Search/Exam
Sep 15, 2020
Amendments received before examination
Search/Exam
Sep 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 4, 2020
Apr 3, 2020
Apr 1, 2020
Communication to designated inventor
Search/Exam
Apr 1, 2020
Communication to designated inventor
Search/Exam
Apr 1, 2020
Communication to designated inventor
Search/Exam
Apr 1, 2020
Communication to designated inventor
Search/Exam
Apr 1, 2020
Communication to designated inventor
Search/Exam
Apr 1, 2020
Communication to designated inventor
Search/Exam
Mar 28, 2020
Priority search results copy provided by EPO
Search/Exam
Mar 25, 2020
(Electronic) Receipt
Search/Exam
Mar 25, 2020
Request for entry into the European phase
Search/Exam
Mar 10, 2020
Jan 8, 2020
Information on entry into European phase
Search/Exam
Mar 20, 2019
Feb 28, 2019
Copy of the international search report
Search/Exam
Feb 28, 2019
Copy of the international search report
Search/Exam
Feb 28, 2019
Published international application - A1
Search/Exam
Oct 15, 2018
ISR: cited documents
PCTISA
Oct 15, 2018
Oct 12, 2018
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Oct 2, 2018
Sep 22, 2018
Abstract
PCTISA
Sep 22, 2018
Claims
PCTISA
Sep 22, 2018
Description
PCTISA
Sep 22, 2018
Drawings
PCTISA
Sep 22, 2018