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The patent EP2772859 was granted to Hamilton Sundstrand on Dec 1, 2021. The application was filed on Feb 25, 2014 under application number EP14156543A. 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 | Aug 31, 2022 | REGIMBEAU | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US2002104043 |
| OPPOSITION | EP2275890 |
| OPPOSITION | US2012191273 |
| SEARCH | KR200462760Y |
| SEARCH | US2012317549 |
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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OPPO
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Dec 14, 2021
Nov 5, 2021
Decision to grant a European patent
Search/Exam
Oct 25, 2021
(Electronic) Receipt
Search/Exam
Oct 25, 2021
Filing of the translations of the claims
Search/Exam
Oct 25, 2021
French translation of claims
Search/Exam
Oct 25, 2021
German translation of the claims
Search/Exam
Oct 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 16, 2021
Aug 10, 2021
Jun 28, 2021
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Intention to grant (signatures)
Search/Exam
Jun 28, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 28, 2021
Jan 25, 2021
(Electronic) Receipt
Search/Exam
Jan 25, 2021
Amended claims with annotations
Search/Exam
Jan 25, 2021
Amended description with annotations
Search/Exam
Jan 25, 2021
Claims
Search/Exam
Jan 25, 2021
Description
Search/Exam
Jan 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 25, 2021
Nov 16, 2020
Annex to a communication
Search/Exam
Nov 16, 2020
Annex to the communication
Search/Exam
Nov 16, 2020
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Sep 20, 2019
(Electronic) Receipt
Search/Exam
Sep 20, 2019
Amended claims with annotations
Search/Exam
Sep 20, 2019
Amended description with annotations
Search/Exam
Sep 20, 2019
Claims
Search/Exam
Sep 20, 2019
Description
Search/Exam
Sep 20, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2019
May 10, 2019
Annex to the communication
Search/Exam
May 10, 2019
Communication from the Examining Division
Search/Exam
Apr 30, 2019
Examination started
Search/Exam
Nov 19, 2018
Oct 30, 2018
(Electronic) Receipt
Search/Exam
Oct 30, 2018
Enquiry as to the processing of the file
Search/Exam
Oct 30, 2018
Letter accompanying subsequently filed items
Search/Exam
May 28, 2018
May 17, 2018
Nov 16, 2015
(Electronic) Receipt
Search/Exam
Nov 16, 2015
Nov 16, 2015
Nov 16, 2015
Amendments received before examination
Search/Exam
Nov 16, 2015
Letter accompanying subsequently filed items
Search/Exam
May 26, 2015
Apr 20, 2015
Apr 20, 2015
European search opinion
Search/Exam
Apr 20, 2015
European search report
Search/Exam
Apr 2, 2015
Search started
Search/Exam
Nov 27, 2014
Nov 6, 2014
Aug 6, 2014
Notification of forthcoming publication
Search/Exam
Apr 22, 2014
Communication to designated inventor
Search/Exam
Apr 22, 2014
Communication to designated inventor
Search/Exam
Feb 25, 2014
Abstract
Search/Exam
Feb 25, 2014
Feb 25, 2014
Claims
Search/Exam
Feb 25, 2014
Description
Search/Exam
Feb 25, 2014
Designation of inventor
Search/Exam
Feb 25, 2014
Designation of inventor
Search/Exam
Feb 25, 2014
Drawings
Search/Exam
Feb 25, 2014
Request for grant of a European patent
Search/Exam