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The patent EP3833857 was granted to Honda Motor on Mar 22, 2023. The application was filed on Aug 1, 2019 under application number EP19755446A. 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 |
|---|---|---|---|
| HOFFMANN EITLE | Dec 11, 2023 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2005535454 |
| EXAMINATION | DE4206812 |
| EXAMINATION | EP0705962 |
| EXAMINATION | JP2014147879 |
| EXAMINATION | JPS62194436 |
| EXAMINATION | US2005170957 |
| INTERNATIONAL-SEARCH-REPORT | DE4206812 |
| INTERNATIONAL-SEARCH-REPORT | EP0705962 |
| INTERNATIONAL-SEARCH-REPORT | US5821194 |
| INTERNATIONAL-SEARCH-REPORT | WO2004022937 |
| INTERNATIONAL-SEARCH-REPORT | WO9418441 |
| OPPOSITION | DE4206812 |
| OPPOSITION | EP0705962 |
| OPPOSITION | JP2014147879 |
| OPPOSITION | JPS62194436U |
| OPPOSITION | US2005170957 |
| OPPOSITION | US5821194 |
| OTHER | JP2014147879 |
| OTHER | JPS62194436U |
| OTHER | US2005170957 |
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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Decision to grant a European patent
Search/Exam
Feb 6, 2023
(Electronic) Receipt
Search/Exam
Feb 6, 2023
Filing of the translations of the claims
Search/Exam
Feb 6, 2023
French translation of claims
Search/Exam
Feb 6, 2023
German translation of the claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Oct 31, 2022
Text intended for grant (clean copy)
Search/Exam
Oct 31, 2022
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Examination started
Search/Exam
Aug 26, 2022
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Observations by third parties
Search/Exam
Aug 19, 2022
Patent document filed by a Third party
Search/Exam
Aug 19, 2022
Patent document filed by a Third party
Search/Exam
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Patent document filed by a Third party
Search/Exam
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Patent document filed by a Third party
Search/Exam
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Patent document filed by a Third party
Search/Exam
Aug 18, 2022
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(Electronic) Receipt
Search/Exam
Jul 29, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2022
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Letter accompanying subsequently filed items
Search/Exam
Oct 27, 2021
Aug 30, 2021
(Electronic) Receipt
Search/Exam
Aug 30, 2021
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Amended claims with annotations
Search/Exam
Aug 30, 2021
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Amended description with annotations
Search/Exam
Aug 30, 2021
Amendments received before examination
Search/Exam
Aug 30, 2021
Letter accompanying subsequently filed items
Search/Exam
May 19, 2021
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Communication to designated inventor
Search/Exam
Mar 15, 2021
Communication to designated inventor
Search/Exam
Mar 15, 2021
Communication to designated inventor
Search/Exam
Mar 15, 2021
Communication to designated inventor
Search/Exam
Mar 15, 2021
Communication to designated inventor
Search/Exam
Mar 15, 2021
Communication to designated inventor
Search/Exam
Mar 15, 2021
Communication to designated inventor
Search/Exam
Mar 1, 2021
Feb 9, 2021
(Electronic) Receipt
Search/Exam
Feb 9, 2021
Request for entry into the European phase
Search/Exam
Dec 18, 2020
Information on entry into European phase
Search/Exam
Jun 26, 2020
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Notification of the recording of a change
Search/Exam
Jun 26, 2020
Notification of the recording of a change
Search/Exam
Mar 2, 2020
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Copy of the international search report
Search/Exam
Feb 13, 2020
Published international application - A1
Search/Exam
Sep 19, 2019
ISR: cited documents
PCTISA
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Abstract
PCTISA
Aug 15, 2019
Claims
PCTISA
Aug 15, 2019
Description
PCTISA
Aug 15, 2019
Drawings
PCTISA
Aug 15, 2019