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The patent EP3171231 was granted to ETA Manufacture Horlogre Suisse on Jun 6, 2018. The application was originally filed on Nov 18, 2015 under application number EP15195209A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|
| OPPOSITION | EP1693720 |
| OPPOSITION | EP2249214 |
| OPPOSITION | EP2538285 |
| OPPOSITION | JP2012002533 |
| OPPOSITION | JP2012002768 |
| OPPOSITION | JPS5716376 |
| OPPOSITION | US2014239874 |
| OPPOSITION | US4550279 |
| SEARCH | EP1117016 |
| SEARCH | EP1693720 |
| SEARCH | EP2249214 |
| SEARCH | FR2426999 |
| SEARCH | JPS5866887 |
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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Jun 10, 2021
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Authorisation
OPPO
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Jun 18, 2018
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Decision to grant a European patent
Search/Exam
Apr 16, 2018
(Electronic) Receipt
Search/Exam
Apr 16, 2018
English translation of the claims
Search/Exam
Apr 16, 2018
Filing of the translations of the claims
Search/Exam
Apr 16, 2018
German translation of the claims
Search/Exam
Apr 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2018
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Intention to grant (signatures)
Search/Exam
Feb 1, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 1, 2018
Dec 13, 2017
Examination started
Search/Exam
May 30, 2017
Apr 26, 2017
Notification of forthcoming publication
Search/Exam
Dec 2, 2016
Nov 24, 2016
Jun 16, 2016
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European search opinion
Search/Exam
Jun 16, 2016
European search report
Search/Exam
Jun 16, 2016
Information on Search Strategy
Search/Exam
Jun 3, 2016
Search started
Search/Exam
Feb 10, 2016
Communication to designated inventor
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Feb 10, 2016
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
Feb 10, 2016
Communication to designated inventor
Search/Exam
Nov 18, 2015
Abstract
Search/Exam
Nov 18, 2015
Nov 18, 2015
Claims
Search/Exam
Nov 18, 2015
Description
Search/Exam
Nov 18, 2015
Designation of inventor
Search/Exam
Nov 18, 2015
Drawings
Search/Exam
Nov 18, 2015
Request for grant of a European patent
Search/Exam