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The patent EP3236724 was granted to Semikron Elektronik on Dec 30, 2020. The application was filed on Apr 13, 2017 under application number EP17166538A. 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 |
|---|---|---|---|
| STILL | Sep 30, 2021 | PATENTSHIP PATENTANWALTSGESELLSCHAFT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102010053135 |
| OPPOSITION | DE102008012570 |
| OPPOSITION | DE102012219791 |
| OPPOSITION | US2009085188 |
| SEARCH | EP1840961 |
| SEARCH | EP2239768 |
| SEARCH | EP2378552 |
| SEARCH | US2004245548 |
| SEARCH | US2009085188 |
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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Dec 3, 2020
Decision to grant a European patent
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Nov 18, 2020
(Electronic) Receipt
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Nov 18, 2020
English translation of the claims
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Nov 18, 2020
Filing of the translations of the claims
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Nov 18, 2020
French translation of claims
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Nov 18, 2020
Letter accompanying subsequently filed items
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Oct 2, 2020
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Oct 2, 2020
Intention to grant (signatures)
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Oct 2, 2020
Text intended for grant (clean copy)
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Oct 2, 2020
Feb 17, 2020
(Electronic) Receipt
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Feb 17, 2020
Letter accompanying subsequently filed items
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Feb 17, 2020
Feb 7, 2020
Annex to the communication
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Feb 7, 2020
Communication from the Examining Division
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Jan 31, 2020
Examination started
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Jul 2, 2018
Decision to allow further processing
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Jun 15, 2018
Jun 4, 2018
Mar 28, 2018
(Electronic) Receipt
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Mar 28, 2018
Mar 28, 2018
Amended claims with annotations
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Mar 28, 2018
Mar 28, 2018
Amended description with annotations
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Mar 28, 2018
Amendments received before examination
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Mar 28, 2018
Letter accompanying subsequently filed items
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Oct 30, 2017
Sep 27, 2017
Notification of forthcoming publication
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Jul 31, 2017
Jul 31, 2017
European search opinion
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Jul 31, 2017
European search report
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Jul 31, 2017
Information on Search Strategy
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Jun 7, 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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Jun 7, 2017
Communication to designated inventor
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May 2, 2017
Letter concerning the priority
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May 2, 2017
Priority document
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Apr 13, 2017
Abstract
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Apr 13, 2017
Apr 13, 2017
Claims
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Apr 13, 2017
Description
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Apr 13, 2017
Designation of inventor
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Apr 13, 2017
Drawings
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Apr 13, 2017
Priority search results
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Apr 13, 2017
Request for grant of a European patent
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