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The patent EP3332283 was granted to General Electric on Sep 2, 2020. The application was filed on Jul 18, 2016 under application number EP16831056A. 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 |
|---|---|---|---|
| CARL ZEISS | Jun 2, 2021 | LORITZ | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4826299 |
| DESCRIPTION | US7335898 |
| INTERNATIONAL-SEARCH-REPORT | US2005123979 |
| INTERNATIONAL-SEARCH-REPORT | US2011294116 |
| INTERNATIONAL-SEARCH-REPORT | US2012140064 |
| INTERNATIONAL-SEARCH-REPORT | US2013169595 |
| INTERNATIONAL-SEARCH-REPORT | US2013294645 |
| INTERNATIONAL-SEARCH-REPORT | US2014078321 |
| INTERNATIONAL-SEARCH-REPORT | US2014267672 |
| INTERNATIONAL-SEARCH-REPORT | US2724737 |
| INTERNATIONAL-SEARCH-REPORT | US5740409 |
| INTERNATIONAL-SEARCH-REPORT | US7324273 |
| INTERNATIONAL-SEARCH-REPORT | US8817088 |
| OPPOSITION | US2006017001 |
| SEARCH | US2013294645 |
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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Decision to grant a European patent
Search/Exam
Aug 3, 2020
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(Electronic) Receipt
Search/Exam
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Annexes in respect of a client data request
Search/Exam
Jul 22, 2020
Annexes in respect of a client data request
Search/Exam
Jul 22, 2020
Filing of the translations of the claims
Search/Exam
Jul 22, 2020
French translation of claims
Search/Exam
Jul 22, 2020
German translation of the claims
Search/Exam
Jul 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2020
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Intention to grant (signatures)
Search/Exam
Mar 27, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 27, 2020
Feb 13, 2020
Examination started
Search/Exam
Jan 27, 2020
(Electronic) Receipt
Search/Exam
Jan 27, 2020
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Jan 27, 2020
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Search/Exam
Jan 27, 2020
Letter accompanying subsequently filed items
Search/Exam
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European search opinion
Search/Exam
Oct 29, 2019
Information on Search Strategy
Search/Exam
Oct 29, 2019
Supplementary European search report
Search/Exam
Sep 13, 2019
Search started
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Communication to designated inventor
Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
Feb 2, 2018
Amendments received before examination
Search/Exam
Feb 2, 2018
Request for entry into the European phase
Search/Exam
Dec 18, 2017
Notification of the recording of a change
Search/Exam
Dec 6, 2017
Information on entry into European phase
Search/Exam
Feb 22, 2017
Feb 2, 2017
Copy of the international search report
Search/Exam
Feb 2, 2017
Published international application - A1
Search/Exam