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The patent EP3799958 was granted to Enicor on Nov 15, 2023. The application was filed on Apr 15, 2016 under application number EP20204228A. 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 |
|---|---|---|---|
| VITROGENICS | Aug 13, 2024 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2004071604 |
| DESCRIPTION | US2010190193 |
| DESCRIPTION | US2013102015 |
| DESCRIPTION | US5777215 |
| DESCRIPTION | US6537819 |
| OPPOSITION | EP2775292 |
| OPPOSITION | US2002081747 |
| OPPOSITION | US2003039589 |
| OPPOSITION | US5844686 |
| OPPOSITION | WO2007080320 |
| OPPOSITION | WO2011120556 |
| OPPOSITION | WO2017178034 |
| SEARCH | US2002081747 |
| SEARCH | US2003039589 |
| SEARCH | US5844686 |
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
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Oct 6, 2023
(Electronic) Receipt
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Oct 6, 2023
Filing of the translations of the claims
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Oct 6, 2023
French translation of claims
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Oct 6, 2023
German translation of the claims
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Oct 6, 2023
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 30, 2023
Text intended for grant (clean copy)
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May 30, 2023
Apr 28, 2023
Examination started
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Oct 6, 2021
(Electronic) Receipt
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Oct 6, 2021
Oct 6, 2021
Amended claims with annotations
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Oct 6, 2021
Amendments received before examination
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Oct 6, 2021
Letter accompanying subsequently filed items
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Apr 12, 2021
Mar 11, 2021
Notification of forthcoming publication
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Mar 5, 2021
Refund of fees
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Feb 15, 2021
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European search opinion
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Feb 15, 2021
European search report
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Feb 15, 2021
Information on Search Strategy
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Feb 5, 2021
Search started
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Dec 21, 2020
Communication to designated inventor
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Nov 10, 2020
Refund of fees
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Oct 28, 2020
(Electronic) Receipt
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Oct 28, 2020
Abstract
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Oct 28, 2020
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Claims
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Oct 28, 2020
Description
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Oct 28, 2020
Designation of inventor
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Oct 28, 2020
Drawings
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Oct 28, 2020
Letter accompanying subsequently filed items
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Oct 28, 2020
Request for grant of a European patent
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