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The patent EP3133554 was granted to FEI on Jul 10, 2019. The application was filed on Aug 17, 2015 under application number EP15181202A. 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 | Apr 8, 2020 | ENGEL | - |
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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Means of redress
OPPO
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Authorisation
OPPO
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Jul 22, 2019
Jun 14, 2019
Decision to grant a European patent
Search/Exam
May 27, 2019
(Electronic) Receipt
Search/Exam
May 27, 2019
Filing of the translations of the claims
Search/Exam
May 27, 2019
French translation of claims
Search/Exam
May 27, 2019
German translation of the claims
Search/Exam
May 27, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2019
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Intention to grant (signatures)
Search/Exam
Apr 8, 2019
Text intended for grant (clean copy)
Search/Exam
Apr 8, 2019
Feb 28, 2019
Examination started
Search/Exam
Jul 20, 2018
Jul 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 17, 2018
Mar 23, 2018
Mar 8, 2018
Mar 2, 2018
Feb 6, 2018
Aug 18, 2017
(Electronic) Receipt
Search/Exam
Aug 18, 2017
Aug 18, 2017
Amended claims with annotations
Search/Exam
Aug 18, 2017
Aug 18, 2017
Amended description with annotations
Search/Exam
Aug 18, 2017
Amendments received before examination
Search/Exam
Aug 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 27, 2017
Jan 25, 2017
Notification of forthcoming publication
Search/Exam
Feb 18, 2016
Feb 18, 2016
European search opinion
Search/Exam
Feb 18, 2016
European search report
Search/Exam
Feb 18, 2016
Information on Search Strategy
Search/Exam
Feb 4, 2016
Search started
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Oct 9, 2015
Communication to designated inventor
Search/Exam
Aug 17, 2015
Abstract
Search/Exam
Aug 17, 2015
Aug 17, 2015
Claims
Search/Exam
Aug 17, 2015
Description
Search/Exam
Aug 17, 2015
Designation of inventor
Search/Exam
Aug 17, 2015
Drawings
Search/Exam
Aug 17, 2015
Request for grant of a European patent
Search/Exam