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The patent EP3449961 was granted to Micrel Medical Devices on Mar 31, 2021. The application was filed on Feb 17, 2014 under application number EP18195297A. 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 |
|---|---|---|---|
| HARDS | Dec 30, 2021 | EUROPE PATENTANWALTSKANZLEI | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2755680 |
| DESCRIPTION | US4898576 |
| DESCRIPTION | US5087245 |
| DESCRIPTION | US5609576 |
| DESCRIPTION | US5803917 |
| DESCRIPTION | US6158965 |
| DESCRIPTION | US7022116 |
| DESCRIPTION | US8551038 |
| OPPOSITION | EP0431310 |
| OPPOSITION | US2005038680 |
| OPPOSITION | US2005090799 |
| OPPOSITION | US2011295191 |
| OPPOSITION | US2755680 |
| OPPOSITION | US4690673 |
| OPPOSITION | US4836752 |
| OPPOSITION | US4898576 |
| OPPOSITION | US5087245 |
| OPPOSITION | US5096385 |
| OPPOSITION | US5116203 |
| OPPOSITION | US5304127 |
| OPPOSITION | US5356378 |
| OPPOSITION | US5445622 |
| OPPOSITION | US5609576 |
| OPPOSITION | US5695473 |
| OPPOSITION | US5803917 |
| OPPOSITION | US5814015 |
| OPPOSITION | US5827223 |
| OPPOSITION | US5935099 |
| OPPOSITION | US6158965 |
| OPPOSITION | US6422057 |
| OPPOSITION | US7022116 |
| OPPOSITION | US8065161 |
| OPPOSITION | US8551038 |
| OPPOSITION | WO2009124134 |
| OPPOSITION | WO2010129720 |
| SEARCH | EP0431310 |
| SEARCH | US2005090799 |
| SEARCH | US5803917 |
| SEARCH | WO2009124134 |
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
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Means of redress
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Decision to grant a European patent
Search/Exam
Feb 16, 2021
Feb 10, 2021
(Electronic) Receipt
Search/Exam
Feb 10, 2021
Filing of the translations of the claims
Search/Exam
Feb 10, 2021
French translation of claims
Search/Exam
Feb 10, 2021
German translation of the claims
Search/Exam
Feb 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2020
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Intention to grant (signatures)
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Oct 2, 2020
Text intended for grant (clean copy)
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Oct 2, 2020
Aug 10, 2020
(Electronic) Receipt
Search/Exam
Aug 10, 2020
Amended claims with annotations
Search/Exam
Aug 10, 2020
Amended description with annotations
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Aug 10, 2020
Claims
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Aug 10, 2020
Description
Search/Exam
Aug 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2020
Jul 2, 2020
Jun 29, 2020
(Electronic) Receipt
Search/Exam
Jun 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2020
Feb 17, 2020
Annex to the communication
Search/Exam
Feb 17, 2020
Communication from the Examining Division
Search/Exam
Jan 30, 2020
Examination started
Search/Exam
Jan 27, 2020
(Electronic) Receipt
Search/Exam
Jan 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2020
Jan 9, 2020
Jan 7, 2020
Decision to allow further processing
Search/Exam
Dec 6, 2019
(Electronic) Receipt
Search/Exam
Dec 6, 2019
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Amended claims with annotations
Search/Exam
Dec 6, 2019
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Amended description with annotations
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Dec 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2019
Request for further processing
Search/Exam
Nov 4, 2019
Oct 25, 2019
Oct 16, 2019
Sep 6, 2019
(Electronic) Receipt
Search/Exam
Sep 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2019
Written request for examination
Search/Exam
Mar 11, 2019
Feb 6, 2019
Notification of forthcoming publication
Search/Exam
Jan 23, 2019
Refund of fees
Search/Exam
Jan 17, 2019
Jan 17, 2019
European search opinion
Search/Exam
Jan 17, 2019
European search report
Search/Exam
Jan 17, 2019
Information on Search Strategy
Search/Exam
Dec 11, 2018
Communication to designated inventor
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Sep 18, 2018
Abstract
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Sep 18, 2018
Sep 18, 2018
Claims
Search/Exam
Sep 18, 2018
Description
Search/Exam
Sep 18, 2018
Designation of inventor
Search/Exam
Sep 18, 2018
Drawings
Search/Exam
Sep 18, 2018
Feb 19, 2014
Priority document
Search/Exam