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The patent EP3564009 was granted to OJI on Feb 22, 2023. The application was originally filed on Dec 28, 2017 under application number EP17888298A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| TREOFAN GERMANY | Nov 15, 2023 | MAI BESIER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2014055276 |
| DESCRIPTION | JP2014231604 |
| DESCRIPTION | JP3752747B |
| DESCRIPTION | JP3791038B |
| DESCRIPTION | JP5660261B |
| DESCRIPTION | JPS5929838B |
| DESCRIPTION | WO2012002123 |
| INTERNATIONAL-SEARCH-REPORT | JP2007084813 |
| INTERNATIONAL-SEARCH-REPORT | JP2010254868 |
| INTERNATIONAL-SEARCH-REPORT | JP2014051657 |
| INTERNATIONAL-SEARCH-REPORT | JP2014231584 |
| OPPOSITION | DE112008002985T |
| OPPOSITION | EP2684676 |
| OPPOSITION | EP3275624 |
| OPPOSITION | US2015140266 |
| OPPOSITION | US2018093409 |
| OPPOSITION | WO2009060944 |
| OPPOSITION | WO2013105552 |
| OPPOSITION | WO2015091839 |
| OPPOSITION | WO2016158353 |
| OPPOSITION | WO2016158590 |
| SEARCH | JP2014231584 |
| SEARCH | WO2015146894 |
| SEARCH | WO2016167328 |
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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Dec 16, 2025
Dec 16, 2025
Dec 11, 2025
Dec 11, 2025
Oct 10, 2025
Oct 7, 2025
(Electronic) Receipt
Appeal
Oct 7, 2025
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Reply to appeal
Appeal
Jul 28, 2025
Jul 28, 2025
Jul 23, 2025
(Electronic) Receipt
Appeal
Jul 23, 2025
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Jun 20, 2025
(Electronic) Receipt
Appeal
Jun 20, 2025
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Mar 24, 2025
Refund of fees
Appeal
Mar 11, 2025
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Mar 5, 2025
(Electronic) Receipt
Appeal
Mar 5, 2025
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Mar 4, 2025
(Electronic) Receipt
Appeal
Mar 4, 2025
(Electronic) Receipt
Appeal
Mar 4, 2025
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Notice of appeal
Appeal
Feb 20, 2025
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Means of redress
OPPO
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Mar 7, 2023
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Decision to grant a European patent
Search/Exam
Jan 12, 2023
Jan 5, 2023
(Electronic) Receipt
Search/Exam
Jan 5, 2023
Filing of the translations of the claims
Search/Exam
Jan 5, 2023
French translation of claims
Search/Exam
Jan 5, 2023
German translation of the claims
Search/Exam
Jan 5, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 5, 2022
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Oct 5, 2022
Intention to grant (signatures)
Search/Exam
Oct 5, 2022
Text intended for grant (clean copy)
Search/Exam
Oct 5, 2022
Jan 20, 2022
(Electronic) Receipt
Search/Exam
Jan 20, 2022
Amended description with annotations
Search/Exam
Jan 20, 2022
Description
Search/Exam
Jan 20, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 20, 2022
Nov 24, 2021
Annex to the communication
Search/Exam
Nov 24, 2021
Communication from the Examining Division
Search/Exam
Aug 4, 2021
(Electronic) Receipt
Search/Exam
Aug 4, 2021
Amended claims with annotations
Search/Exam
Aug 4, 2021
Claims
Search/Exam
Aug 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2021
Apr 28, 2021
Annex to the communication
Search/Exam
Apr 28, 2021
Communication from the Examining Division
Search/Exam
Apr 21, 2021
Examination started
Search/Exam
Nov 27, 2020
(Electronic) Receipt
Search/Exam
Nov 27, 2020
Nov 27, 2020
Amended claims with annotations
Search/Exam
Nov 27, 2020
Amendments received before examination
Search/Exam
Nov 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 4, 2020
Jul 15, 2020
Jul 15, 2020
European search opinion
Search/Exam
Jul 15, 2020
Information on Search Strategy
Search/Exam
Jul 15, 2020
Supplementary European search report
Search/Exam
Oct 9, 2019
Notification of forthcoming publication
Search/Exam
Aug 6, 2019
Aug 2, 2019
Communication to designated inventor
Search/Exam
Aug 2, 2019
Communication to designated inventor
Search/Exam
Aug 2, 2019
Communication to designated inventor
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Aug 2, 2019
Communication to designated inventor
Search/Exam
Aug 2, 2019
Communication to designated inventor
Search/Exam
Aug 2, 2019
Communication to designated inventor
Search/Exam
Jul 19, 2019
Jul 19, 2019
Jul 18, 2019
(Electronic) Receipt
Search/Exam
Jul 18, 2019
Abstract
Search/Exam
Jul 18, 2019
Claims
Search/Exam
Jul 18, 2019
Description
Search/Exam
Jul 18, 2019
Request for entry into the European phase
Search/Exam
May 10, 2019
Information on entry into European phase
Search/Exam
Jul 24, 2018
Jul 5, 2018
Copy of the international search report
Search/Exam
Jul 5, 2018
Jul 5, 2018
International publication pamphlet
Search/Exam