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The patent EP3427551 was granted to Eaton Intelligent Power on Feb 5, 2025. The application was filed on Mar 8, 2017 under application number EP17763963A. 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 |
|---|---|---|---|
| SCHOPF | Feb 13, 2023 | SAMSON & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2010262296 |
| DESCRIPTION | US2011280251 |
| DESCRIPTION | US2014334149 |
| DESCRIPTION | US2015130365 |
| DESCRIPTION | US9189996 |
| INTERNATIONAL-SEARCH-REPORT | US2006273741 |
| INTERNATIONAL-SEARCH-REPORT | US2007237284 |
| INTERNATIONAL-SEARCH-REPORT | US2014189080 |
| INTERNATIONAL-SEARCH-REPORT | US2015278137 |
| INTERNATIONAL-SEARCH-REPORT | WO2007094795 |
| OPPOSITION | US2006273741 |
| OPPOSITION | US2007237284 |
| OPPOSITION | US2010262296 |
| OPPOSITION | US2011280251 |
| OPPOSITION | US2014189080 |
| OPPOSITION | US6701377 |
| OPPOSITION | WO2007094795 |
| SEARCH | US2010262296 |
| SEARCH | US2011280251 |
| SEARCH | US2015130365 |
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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Decision to grant a European patent
Search/Exam
Mar 24, 2022
Mar 21, 2022
(Electronic) Receipt
Search/Exam
Mar 21, 2022
French translation of claims
Search/Exam
Mar 21, 2022
German translation of the claims
Search/Exam
Mar 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 23, 2021
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Intention to grant (signatures)
Search/Exam
Nov 23, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 23, 2021
Jul 15, 2021
(Electronic) Receipt
Search/Exam
Jul 15, 2021
Amended claims with annotations
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Jul 15, 2021
Claims
Search/Exam
Jul 15, 2021
Letter accompanying subsequently filed items
Search/Exam
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Annex to a communication
Search/Exam
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Annex to the communication
Search/Exam
Jul 13, 2021
Consultation by telephone/in person
Search/Exam
Jul 13, 2021
Mar 26, 2021
Annex to the communication
Search/Exam
Mar 26, 2021
Communication from the Examining Division
Search/Exam
Oct 30, 2020
(Electronic) Receipt
Search/Exam
Oct 30, 2020
Amended claims with annotations
Search/Exam
Oct 30, 2020
Claims
Search/Exam
Oct 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 30, 2020
Jul 20, 2020
Annex to the communication
Search/Exam
Jul 20, 2020
Communication from the Examining Division
Search/Exam
Jul 14, 2020
Examination started
Search/Exam
May 15, 2020
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(Electronic) Receipt
Search/Exam
Apr 29, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2020
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Amended claims with annotations
Search/Exam
Feb 21, 2020
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Amended description with annotations
Search/Exam
Feb 21, 2020
Amendments received before examination
Search/Exam
Aug 22, 2019
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European search opinion
Search/Exam
Aug 1, 2019
Information on Search Strategy
Search/Exam
Aug 1, 2019
Supplementary European search report
Search/Exam
Jul 23, 2019
Search started
Search/Exam
Dec 19, 2018
Oct 31, 2018
Oct 24, 2018
Communication to designated inventor
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Oct 24, 2018
Communication to designated inventor
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Oct 24, 2018
Communication to designated inventor
Search/Exam
Oct 24, 2018
Communication to designated inventor
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Oct 24, 2018
Communication to designated inventor
Search/Exam
Oct 5, 2018
(Electronic) Receipt
Search/Exam
Oct 5, 2018
Oct 5, 2018
Amended claims with annotations
Search/Exam
Oct 5, 2018
Request for entry into the European phase
Search/Exam
Sep 26, 2018
Sep 18, 2018
Notification of the recording of a change
Search/Exam
Sep 18, 2018
Notification of the recording of a change
Search/Exam
Jul 18, 2018
Information on entry into European phase
Search/Exam
Oct 2, 2017
Oct 2, 2017
Sep 14, 2017
Copy of the international search report
Search/Exam
Sep 14, 2017
Published international application - A1
Search/Exam