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The patent EP3047491 was granted to General Electric Technology on Dec 6, 2017. The application was filed on Sep 17, 2014 under application number EP14766725A. 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 |
|---|---|---|---|
| M INNOVATIVE PROPERTIES | Sep 5, 2018 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
| SIEMENS | Sep 5, 2018 | HOFSTETTER | ADMISSIBLE |
| ABB POWER GRIDS SWITZERLAND | Aug 29, 2018 | SCHAAD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0131922 |
| DESCRIPTION | EP1724802 |
| DESCRIPTION | US4547316 |
| DESCRIPTION | WO2008073790 |
| DESCRIPTION | WO2012080246 |
| INTERNATIONAL-SEARCH-REPORT | EP0128588 |
| INTERNATIONAL-SEARCH-REPORT | FR1265731 |
| INTERNATIONAL-SEARCH-REPORT | FR2977707 |
| INTERNATIONAL-SEARCH-REPORT | FR2983340 |
| INTERNATIONAL-SEARCH-REPORT | US2008135817 |
| INTERNATIONAL-SEARCH-REPORT | US3048648 |
| INTERNATIONAL-SEARCH-REPORT | WO2013041697 |
| OPPOSITION | EP0128588 |
| OPPOSITION | EP0131922 |
| OPPOSITION | EP1724802 |
| OPPOSITION | EP2284854 |
| OPPOSITION | EP2834818 |
| OPPOSITION | EP2893602 |
| OPPOSITION | US2004095711 |
| OPPOSITION | US2007221626 |
| OPPOSITION | US2008135817 |
| OPPOSITION | US3048648 |
| OPPOSITION | US3184533 |
| OPPOSITION | US8304676 |
| OPPOSITION | WO2012160155 |
| OPPOSITION | WO2013151741 |
| OPPOSITION | WO2014037566 |
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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PCTRO
Sep 17, 2014
Abstract
PCTRO
Sep 17, 2014
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PCTRO
Sep 17, 2014
Description
PCTRO
Sep 17, 2014
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PCTRO