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The patent EP3450349 was granted to Daikyo Seiko on Sep 29, 2021. The application was filed on Apr 28, 2017 under application number EP17789708A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| A RAYMOND ET CIE | Jun 20, 2022 | TRUST | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2005335782 |
| INTERNATIONAL-SEARCH-REPORT | JP2006016005 |
| INTERNATIONAL-SEARCH-REPORT | JP2006036227 |
| INTERNATIONAL-SEARCH-REPORT | JP2013525218 |
| INTERNATIONAL-SEARCH-REPORT | JP3184488U |
| INTERNATIONAL-SEARCH-REPORT | WO2014109011 |
| OPPOSITION | DE29705636U |
| OPPOSITION | EP2119463 |
| OPPOSITION | JP2005335782 |
| OPPOSITION | US2004022674 |
| OPPOSITION | US2008183140 |
| OPPOSITION | US2009100802 |
| OPPOSITION | WO2010062602 |
| OPPOSITION | WO2015023924 |
| SEARCH | JP2005335782 |
| SEARCH | US2008183140 |
| SEARCH | US2009100802 |
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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Sep 2, 2021
Decision to grant a European patent
Search/Exam
Aug 19, 2021
(Electronic) Receipt
Search/Exam
Aug 19, 2021
Filing of the translations of the claims
Search/Exam
Aug 19, 2021
French translation of claims
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Aug 19, 2021
German translation of the claims
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Jul 19, 2021
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(Electronic) Receipt
Search/Exam
Jul 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2021
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Intention to grant (signatures)
Search/Exam
Apr 20, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 20, 2021
Feb 25, 2021
Examination started
Search/Exam
Oct 23, 2020
(Electronic) Receipt
Search/Exam
Oct 23, 2020
Amended claims with annotations
Search/Exam
Oct 23, 2020
Claims
Search/Exam
Oct 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 23, 2020
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Observations by third parties
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Amended claims with annotations
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Amended description with annotations
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Mar 3, 2020
Amendments received before examination
Search/Exam
Oct 1, 2019
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European search opinion
Search/Exam
Sep 13, 2019
Information on Search Strategy
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Sep 13, 2019
Supplementary European search report
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Sep 4, 2019
Search started
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Mar 28, 2019
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Mar 14, 2019
Authorisation
Search/Exam
Mar 14, 2019
Feb 6, 2019
Notification of forthcoming publication
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Dec 5, 2018
Dec 3, 2018
Communication to designated inventor
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Dec 3, 2018
Communication to designated inventor
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Nov 16, 2018
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Oct 29, 2018
(Electronic) Receipt
Search/Exam
Oct 29, 2018
Abstract
Search/Exam
Oct 29, 2018
Claims
Search/Exam
Oct 29, 2018
Description
Search/Exam
Oct 29, 2018
Drawings
Search/Exam
Oct 29, 2018
Request for entry into the European phase
Search/Exam
Oct 16, 2018
Notification of the recording of a change
Search/Exam
Oct 16, 2018
Notification of the recording of a change
Search/Exam
Sep 7, 2018
Information on entry into European phase
Search/Exam
Nov 20, 2017
Nov 2, 2017
Copy of the international search report
Search/Exam
Nov 2, 2017
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International publication pamphlet
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