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The patent EP3843831 was granted to Avation Medical on Oct 19, 2022. The application was filed on Mar 7, 2019 under application number EP19712420A. 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 |
|---|---|---|---|
| STIMVIA SRO | Jul 19, 2023 | PLASSERAUD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2004093093 |
| INTERNATIONAL-SEARCH-REPORT | WO2013071307 |
| INTERNATIONAL-SEARCH-REPORT | WO2014003633 |
| OPPOSITION | US2004093093 |
| OPPOSITION | US2014142662 |
| OPPOSITION | US2015126894 |
| OPPOSITION | US2016045747 |
| OPPOSITION | US2016106344 |
| OPPOSITION | US2019001135 |
| OPPOSITION | US5871534N |
| OPPOSITION | WO2005023087 |
| OPPOSITION | WO2013071307 |
| OPPOSITION | WO2014003633 |
| OPPOSITION | WO2018064991 |
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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(Electronic) Receipt
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Sep 13, 2022
Filing of the translations of the claims
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Sep 13, 2022
French translation of claims
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German translation of the claims
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Sep 13, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 3, 2022
Text intended for grant (clean copy)
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May 3, 2022
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Examination started
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Jun 9, 2021
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(Electronic) Receipt
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Mar 16, 2021
Letter accompanying subsequently filed items
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Mar 16, 2021
Priority search results
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Mar 12, 2021
Priority search results
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Mar 10, 2021
(Electronic) Receipt
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Mar 10, 2021
Request for entry into the European phase
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Jan 15, 2021
Information on entry into European phase
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Copy of the international search report
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Mar 5, 2020
Published international application - A1
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Oct 7, 2019
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Annex
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ISR: cited documents
PCTISA
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Annex
PCTISA
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Abstract
PCTISA
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Annex
PCTISA
Mar 18, 2019
Claims
PCTISA
Mar 18, 2019
Description
PCTISA
Mar 18, 2019
Drawings
PCTISA
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