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The patent EP3211211 was granted to Mitsubishi Electric on Apr 15, 2020. The application was filed on Oct 21, 2014 under application number EP14904219A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| SCHUNK CARBON TECHNOLOGY | Jan 13, 2021 | ADVOTEC | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2007282362 |
| INTERNATIONAL-SEARCH-REPORT | JP2008099438 |
| INTERNATIONAL-SEARCH-REPORT | JP2012175760 |
| INTERNATIONAL-SEARCH-REPORT | JPH0371582 |
| OPPOSITION | DE102007010892 |
| OPPOSITION | DE4430745 |
| OPPOSITION | EP2733795 |
| OPPOSITION | EP3211211 |
| OPPOSITION | JP2007209119 |
| OPPOSITION | JP2007282362 |
| OPPOSITION | JP2008099438 |
| OPPOSITION | JP2010098883 |
| OPPOSITION | JP2012175760 |
| OPPOSITION | JPS5542585B |
| OPPOSITION | US5387832 |
| SEARCH | JP2007282362 |
| SEARCH | JP2008099438 |
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
Mar 10, 2020
(Electronic) Receipt
Search/Exam
Mar 10, 2020
Filing of the translations of the claims
Search/Exam
Mar 10, 2020
French translation of claims
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Mar 10, 2020
German translation of the claims
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Intention to grant (signatures)
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Dec 2, 2019
Text intended for grant (clean copy)
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(Electronic) Receipt
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Oct 2, 2019
Amended claims with annotations
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Oct 2, 2019
Amended description with annotations
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Oct 2, 2019
Claims
Search/Exam
Oct 2, 2019
Description
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Oct 2, 2019
Letter accompanying subsequently filed items
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Oct 2, 2019
Jul 29, 2019
Annex to the communication
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Jul 29, 2019
Communication from the Examining Division
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Jul 23, 2019
Examination started
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Oct 10, 2018
(Electronic) Receipt
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Oct 10, 2018
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Amended claims with annotations
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Amended description with annotations
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Oct 10, 2018
Amendments received before examination
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Oct 10, 2018
Letter accompanying subsequently filed items
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European search opinion
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Apr 17, 2018
Information on Search Strategy
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Apr 17, 2018
Supplementary European search report
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Apr 6, 2018
Search started
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Aug 2, 2017
Notification of forthcoming publication
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Jun 1, 2017
May 30, 2017
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
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May 9, 2017
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Apr 21, 2017
(Electronic) Receipt
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Apr 21, 2017
Abstract
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Apr 21, 2017
Abstract
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Apr 21, 2017
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Amended claims with annotations
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Apr 21, 2017
Claims
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Apr 21, 2017
Description
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Apr 21, 2017
Drawings
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Apr 21, 2017
Request for entry into the European phase
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Mar 3, 2017
Information on entry into European phase
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Apr 28, 2016
Copy of the international search report
Search/Exam
Apr 28, 2016
Apr 28, 2016
International publication pamphlet
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