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The patent EP2147883 was granted to Mitsubishi Electric on Nov 29, 2017. The application was filed on May 24, 2007 under application number EP07744009A. 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 |
|---|---|---|---|
| WITTUR HOLDING | Aug 29, 2018 | MISSELHORN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2006306517 |
| DESCRIPTION | JPH07157211 |
| INTERNATIONAL-SEARCH-REPORT | JPH07206288 |
| INTERNATIONAL-SEARCH-REPORT | JPH0840662 |
| INTERNATIONAL-SEARCH-REPORT | WO2006106575 |
| OPPOSITION | JPH07206288 |
| SEARCH | EP1864935 |
| SEARCH | EP1990305 |
| SEARCH | EP2048104 |
| SEARCH | JPH07206288 |
| SEARCH | JPH0840662 |
| SEARCH | WO2006106575 |
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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General enquiry
OPPO
Jan 10, 2019
Sep 18, 2018
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Dec 7, 2017
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Decision to grant a European patent
Search/Exam
Oct 17, 2017
Filing of the translations of the claims
Search/Exam
Oct 17, 2017
French translation of claims
Search/Exam
Oct 17, 2017
German translation of the claims
Search/Exam
Oct 17, 2017
Payment of fees and costs
Search/Exam
Aug 17, 2017
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Intention to grant (signatures)
Search/Exam
Aug 17, 2017
Text intended for grant (clean copy)
Search/Exam
Aug 17, 2017
Jun 30, 2017
Examination started
Search/Exam
Sep 26, 2014
Submission concerning representation
Search/Exam
Feb 27, 2014
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Amended claims with annotations
Search/Exam
Feb 27, 2014
Amendments received before examination
Search/Exam
Dec 6, 2013
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European search opinion
Search/Exam
Nov 19, 2013
Supplementary European search report
Search/Exam
Nov 8, 2013
Search started
Search/Exam
Jul 18, 2013
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Jan 27, 2010
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Notification of forthcoming publication
Search/Exam
Dec 9, 2009
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Abstract
Search/Exam
Aug 19, 2009
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Claims
Search/Exam
Aug 19, 2009
Description
Search/Exam
Aug 19, 2009
Drawings
Search/Exam
Aug 19, 2009
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Request for entry into the European phase
Search/Exam
Nov 27, 2008
Copy of the international search report
Search/Exam
Nov 27, 2008
Nov 27, 2008
International publication pamphlet
Search/Exam