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The patent EP3799838 was granted to Caisson Interventional on Feb 21, 2024. The application was filed on Aug 12, 2016 under application number EP20205101A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| STRAWMAN | Nov 21, 2024 | MEWBURN ELLIS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2893898 |
| OPPOSITION | US2006241745 |
| OPPOSITION | US2009247942 |
| OPPOSITION | US2009270677 |
| OPPOSITION | US2009319037 |
| OPPOSITION | US2010010475 |
| OPPOSITION | US2010286478 |
| OPPOSITION | US2011015490 |
| OPPOSITION | US2011130718 |
| OPPOSITION | US2011152609 |
| OPPOSITION | US2012004502 |
| OPPOSITION | US2012078355 |
| OPPOSITION | US2012330411 |
| OPPOSITION | US2013066342 |
| OPPOSITION | US2014142695 |
| OPPOSITION | US2014243963 |
| OPPOSITION | WO2013021374 |
| OPPOSITION | WO2013059747 |
| OPPOSITION | WO2014064694 |
| OPPOSITION | WO2014115149 |
| OPPOSITION | WO2015061463 |
| SEARCH | US2010010475 |
| SEARCH | US2010298845 |
| SEARCH | WO2009092059 |
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
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Jan 10, 2024
(Electronic) Receipt
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Jan 10, 2024
Filing of the translations of the claims
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Jan 10, 2024
French translation of claims
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Jan 10, 2024
German translation of the claims
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Sep 21, 2023
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Intention to grant (signatures)
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Sep 21, 2023
Text intended for grant (clean copy)
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Sep 21, 2023
Sep 6, 2023
Examination started
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Oct 5, 2021
(Electronic) Receipt
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Oct 5, 2021
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Amended claims with annotations
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Oct 5, 2021
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Amended description with annotations
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Oct 5, 2021
Amendments received before examination
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Oct 5, 2021
Letter accompanying subsequently filed items
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Apr 12, 2021
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Mar 12, 2021
Letter which had not been notified
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Mar 11, 2021
Notification of forthcoming publication
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Mar 9, 2021
Refund of fees
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Mar 4, 2021
Mar 4, 2021
European search opinion
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Mar 4, 2021
European search report
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Mar 4, 2021
Information on Search Strategy
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Feb 23, 2021
Search started
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Jan 12, 2021
Communication to designated inventor
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Jan 12, 2021
Communication to designated inventor
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Jan 12, 2021
Communication to designated inventor
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Jan 12, 2021
Communication to designated inventor
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Nov 2, 2020
Abstract
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Nov 2, 2020
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Claims
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Nov 2, 2020
Description
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Nov 2, 2020
Designation of inventor
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Nov 2, 2020
Drawings
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Nov 2, 2020
Request for grant of a European patent
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Mar 13, 2017