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The patent EP3640112 was granted to Mitsubishi Electric on Nov 17, 2021. The application was filed on May 22, 2018 under application number EP18818303A. 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 |
|---|---|---|---|
| SIEMENS MOBILITY | Aug 15, 2022 | SIEMENS PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2002243242 |
| DESCRIPTION | JP2017114882 |
| INTERNATIONAL-SEARCH-REPORT | JP2002243242 |
| INTERNATIONAL-SEARCH-REPORT | JP2005082088 |
| INTERNATIONAL-SEARCH-REPORT | JP2005178426 |
| INTERNATIONAL-SEARCH-REPORT | JP2007083872 |
| INTERNATIONAL-SEARCH-REPORT | JP2011137597 |
| INTERNATIONAL-SEARCH-REPORT | JP2012101626 |
| INTERNATIONAL-SEARCH-REPORT | JP2016011046 |
| OPPOSITION | CN103738345 |
| OPPOSITION | DE19847504 |
| OPPOSITION | DE602005000742T |
| OPPOSITION | EP3074252 |
| OPPOSITION | GB1030131 |
| OPPOSITION | GB2372312 |
| OPPOSITION | JP2002243242 |
| OPPOSITION | JP2005082088 |
| OPPOSITION | JP2005178426 |
| OPPOSITION | JP2007083872 |
| OPPOSITION | JP2011137597 |
| OPPOSITION | JP2012101626 |
| OPPOSITION | JP2016011046 |
| OPPOSITION | US2005194125 |
| OPPOSITION | US9533550 |
| OPPOSITION | US9623722 |
| OPPOSITION | WO02074600 |
| OPPOSITION | WO2010145954 |
| SEARCH | CN103738345 |
| SEARCH | GB1030131 |
| SEARCH | JP2016011046 |
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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Aug 7, 2024
Refund of fees
Search/Exam
Aug 2, 2024
Aug 2, 2024
Jul 26, 2024
Jul 22, 2024
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Jul 18, 2024
(Electronic) Receipt
Appeal
Jul 18, 2024
Jul 18, 2024
Withdrawal of an appeal
Appeal
Jul 4, 2024
(Electronic) Receipt
Appeal
Jul 4, 2024
Jul 4, 2024
Notice of appeal
Appeal
May 28, 2024
May 23, 2024
Annex
OPPO
May 23, 2024
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Nov 30, 2021
Oct 21, 2021
Decision to grant a European patent
Search/Exam
Oct 7, 2021
(Electronic) Receipt
Search/Exam
Oct 7, 2021
Filing of the translations of the claims
Search/Exam
Oct 7, 2021
French translation of claims
Search/Exam
Oct 7, 2021
German translation of the claims
Search/Exam
Jun 8, 2021
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Intention to grant (signatures)
Search/Exam
Jun 8, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 8, 2021
May 17, 2021
Examination started
Search/Exam
Jul 27, 2020
(Electronic) Receipt
Search/Exam
Jul 27, 2020
Jul 27, 2020
Amended claims with annotations
Search/Exam
Jul 27, 2020
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Amended description with annotations
Search/Exam
Jul 27, 2020
Amendments received before examination
Search/Exam
Jul 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 12, 2020
May 25, 2020
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European search opinion
Search/Exam
May 25, 2020
Information on Search Strategy
Search/Exam
May 25, 2020
Supplementary European search report
Search/Exam
May 7, 2020
Search started
Search/Exam
Mar 25, 2020
Notification of forthcoming publication
Search/Exam
Jan 17, 2020
Communication to designated inventor
Search/Exam
Jan 17, 2020
Communication to designated inventor
Search/Exam
Jan 3, 2020
Jan 3, 2020
Dec 2, 2019
(Electronic) Receipt
Search/Exam
Dec 2, 2019
Abstract
Search/Exam
Dec 2, 2019
Dec 2, 2019
Claims
Search/Exam
Dec 2, 2019
Description
Search/Exam
Dec 2, 2019
Drawings
Search/Exam
Dec 2, 2019
Request for entry into the European phase
Search/Exam
Oct 25, 2019
Information on entry into European phase
Search/Exam
Jan 10, 2019
Dec 20, 2018
Copy of the international search report
Search/Exam
Dec 20, 2018
Dec 20, 2018
International publication pamphlet
Search/Exam