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The patent EP2905102 was granted to Panasonic Management on Jan 15, 2020. The application was filed on Sep 30, 2013 under application number EP13844324A. 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 |
|---|---|---|---|
| FRONIUS | Dec 21, 2017 | ISARPATENT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2006021227 |
| INTERNATIONAL-SEARCH-REPORT | JP2007216268 |
| INTERNATIONAL-SEARCH-REPORT | JP2011098375 |
| INTERNATIONAL-SEARCH-REPORT | JP2012081501 |
| INTERNATIONAL-SEARCH-REPORT | JPH03297569 |
| INTERNATIONAL-SEARCH-REPORT | JPH06142924 |
| INTERNATIONAL-SEARCH-REPORT | JPH06328253 |
| INTERNATIONAL-SEARCH-REPORT | JPH0751859 |
| INTERNATIONAL-SEARCH-REPORT | JPS60108174 |
| INTERNATIONAL-SEARCH-REPORT | JPS6316868 |
| OPPOSITION | DE2459686 |
| OPPOSITION | EP0904883 |
| OPPOSITION | EP1985400 |
| OPPOSITION | JP2012081501 |
| OPPOSITION | JPH0751859 |
| OPPOSITION | US2004074885 |
| OPPOSITION | US2006201922 |
| OPPOSITION | US2008006612 |
| OPPOSITION | US2008264923 |
| OPPOSITION | US2010108654 |
| OPPOSITION | US5643479 |
| OPPOSITION | US6384376 |
| OPPOSITION | US6642483 |
| OPPOSITION | WO03001658 |
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 13, 2017
(Electronic) Receipt
Search/Exam
Feb 13, 2017
Filing of the translations of the claims
Search/Exam
Feb 13, 2017
French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
Feb 13, 2017
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Oct 13, 2016
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amendments received before examination
Search/Exam
May 24, 2016
Letter accompanying subsequently filed items
Search/Exam
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European search opinion
Search/Exam
Nov 10, 2015
Supplementary European search report
Search/Exam
Nov 2, 2015
Search started
Search/Exam
Jul 15, 2015
Notification of forthcoming publication
Search/Exam
May 7, 2015
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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CDS Clean up - amended applicant details
Search/Exam
Nov 12, 2014
Information regarding early processing
Search/Exam
Oct 15, 2014
Notification of the recording of a change
Search/Exam
Oct 15, 2014
Notification of the recording of a change
Search/Exam
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Notification of the recording of a change
Search/Exam
Oct 13, 2014
(Electronic) Receipt
Search/Exam
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Abstract
Search/Exam
Oct 13, 2014
Claims
Search/Exam
Oct 13, 2014
Description
Search/Exam
Oct 13, 2014
Drawings
Search/Exam
Oct 13, 2014
Request for entry into the European phase
Search/Exam
Apr 29, 2014
Apr 10, 2014
Copy of the international search report
Search/Exam
Apr 10, 2014
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International publication pamphlet
Search/Exam