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The patent EP3522690 was granted to Kabushiki Kaisha Toyota Jidoshokki on Dec 6, 2023. The application was filed on Jan 16, 2019 under application number EP19152024A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| STILL | Nov 24, 2021 | PATENTSHIP PATENTANWALTSGESELLSCHAFT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP3173512U |
| OPPOSITION | CN202652080U |
| OPPOSITION | EP2328390 |
| OPPOSITION | EP2328391 |
| OPPOSITION | EP2328392 |
| OPPOSITION | EP2897276 |
| SEARCH | CN202652080U |
| SEARCH | EP2897276 |
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.
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Description
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OPPO
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Decision to grant a European patent
Search/Exam
Dec 14, 2020
(Electronic) Receipt
Search/Exam
Dec 14, 2020
Filing of the translations of the claims
Search/Exam
Dec 14, 2020
French translation of claims
Search/Exam
Dec 14, 2020
German translation of the claims
Search/Exam
Oct 9, 2020
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Intention to grant (signatures)
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Oct 9, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 9, 2020
Sep 16, 2020
(Electronic) Receipt
Search/Exam
Sep 16, 2020
Amended claims with annotations
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Sep 16, 2020
Claims
Search/Exam
Sep 16, 2020
Letter accompanying subsequently filed items
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Sep 16, 2020
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Annex to the communication
Search/Exam
May 14, 2020
Communication from the Examining Division
Search/Exam
May 1, 2020
Examination started
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Jan 21, 2020
(Electronic) Receipt
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Jan 21, 2020
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Amended claims with annotations
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Jan 21, 2020
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Amended description with annotations
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Jan 21, 2020
Amendments received before examination
Search/Exam
Jan 21, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 12, 2019
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Notification of forthcoming publication
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European search opinion
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European search report
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Jul 2, 2019
Information on Search Strategy
Search/Exam
Jun 21, 2019
Search started
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Mar 22, 2019
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
Jan 16, 2019
Abstract
Search/Exam
Jan 16, 2019
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Claims
Search/Exam
Jan 16, 2019
Description
Search/Exam
Jan 16, 2019
Designation of inventor
Search/Exam
Jan 16, 2019
Drawings
Search/Exam
Jan 16, 2019
Request for grant of a European patent
Search/Exam