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The patent EP3729994 was granted to Idscent on Aug 7, 2024. The application was filed on Apr 23, 2020 under application number EP20170969A. 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 |
|---|---|---|---|
| CARESTIA | Jul 7, 2022 | ERNEST GUTMANN YVES PLASSERAUD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2010016347 |
| DESCRIPTION | US2011194983 |
| DESCRIPTION | US4847124 |
| DESCRIPTION | US4889755 |
| OPPOSITION | CA2105194 |
| OPPOSITION | EP0378411 |
| OPPOSITION | EP1243199 |
| OPPOSITION | FR2824291 |
| OPPOSITION | GB2384228 |
| OPPOSITION | US2013015258 |
| OPPOSITION | US4847124 |
| OPPOSITION | US4889755 |
| OPPOSITION | US5050910 |
| OPPOSITION | US5242521 |
| OPPOSITION | US5445821 |
| SEARCH | US2010048449 |
| SEARCH | US4847124 |
| SEARCH | US4889755 |
| SEARCH | US4998621 |
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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Sep 23, 2021
(Electronic) Receipt
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Sep 23, 2021
English translation of the claims
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Sep 23, 2021
Filing of the translations of the claims
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Sep 23, 2021
German translation of the claims
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Sep 23, 2021
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 27, 2021
Text intended for grant (clean copy)
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Examination started
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Apr 22, 2021
(Electronic) Receipt
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Apr 22, 2021
Letter accompanying subsequently filed items
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Apr 22, 2021
Written request for examination
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Nov 2, 2020
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Notification of forthcoming publication
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Letter which had not been notified
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Refund of fees
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Jun 30, 2020
Letter concerning the priority
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Priority document
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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European search opinion
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European search report
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Jun 17, 2020
Information on Search Strategy
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Jun 12, 2020
Priority search results copy provided by EPO
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Search started
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Apr 23, 2020
Abstract
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Claims
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Description
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Designation of inventor
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Drawings
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Apr 23, 2020
Request for grant of a European patent
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