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The patent EP3257956 was granted to General Electric Technology on Feb 16, 2022. The application was filed on Jun 13, 2016 under application number EP16174111A. 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 |
|---|---|---|---|
| SIEMENS | Dec 16, 2019 | PATERIS PATENTANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2886225 |
| DESCRIPTION | US2014034626 |
| DESCRIPTION | US8506836 |
| OPPOSITION | EP1835040 |
| OPPOSITION | GB1426125 |
| OPPOSITION | GB2153845 |
| OPPOSITION | US2004221925 |
| OPPOSITION | US2014034626 |
| OPPOSITION | US3802938 |
| OPPOSITION | US4140555 |
| OPPOSITION | US4219592 |
| OPPOSITION | WO2013087515 |
| SEARCH | GB2153845 |
| SEARCH | US2014034626 |
| SEARCH | US4116723 |
| SEARCH | WO2013087515 |
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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Description
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Authorisation
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Authorisation
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Decision to grant a European patent
Search/Exam
May 16, 2019
May 14, 2019
Refund of fees
Search/Exam
May 6, 2019
Apr 30, 2019
(Electronic) Receipt
Search/Exam
Apr 30, 2019
French translation of claims
Search/Exam
Apr 30, 2019
German translation of the claims
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Apr 30, 2019
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Jan 18, 2019
Text intended for grant (clean copy)
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Jan 18, 2019
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Examination started
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Aug 16, 2018
Refund of fees
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Aug 16, 2018
Refund of fees
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Aug 16, 2018
Refund of fees
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Aug 16, 2018
Refund of fees
Search/Exam
Aug 9, 2018
Decision to allow further processing
Search/Exam
Jul 20, 2018
(Electronic) Receipt
Search/Exam
Jul 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2018
Jun 29, 2018
(Electronic) Receipt
Search/Exam
Jun 29, 2018
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Amended claims with annotations
Search/Exam
Jun 29, 2018
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Amended description with annotations
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Jun 29, 2018
Letter accompanying subsequently filed items
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Jun 29, 2018
Request for further processing
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Jan 16, 2018
Submission concerning representation
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Jan 2, 2018
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Notification of forthcoming publication
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Nov 30, 2016
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European search opinion
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Nov 30, 2016
European search report
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Nov 30, 2016
Information on Search Strategy
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Aug 5, 2016
Communication to designated inventor
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Communication to designated inventor
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Aug 5, 2016
Communication to designated inventor
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Jun 13, 2016
Abstract
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Jun 13, 2016
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Claims
Search/Exam
Jun 13, 2016
Description
Search/Exam
Jun 13, 2016
Designation of inventor
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Jun 13, 2016
Drawings
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Jun 13, 2016
Request for grant of a European patent
Search/Exam