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The patent EP3581089 was granted to Reichert on Dec 23, 2020. The application was filed on Jun 2, 2019 under application number EP19177792A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| ICARE FINLAND | Sep 10, 2021 | HEINONEN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6817981 |
| DESCRIPTION | US6875175 |
| DESCRIPTION | US7004902 |
| DESCRIPTION | US7481767 |
| DESCRIPTION | US7798962 |
| OPPOSITION | EP1545294 |
| OPPOSITION | EP1927315 |
| OPPOSITION | US2004183998 |
| OPPOSITION | US6093147 |
| OPPOSITION | US6817981 |
| OPPOSITION | WO2014074157 |
| SEARCH | CN101773381 |
| SEARCH | CN104274153B |
| SEARCH | DE102006037767 |
| SEARCH | US2005137473 |
| SEARCH | US2008103381 |
| SEARCH | US6093147 |
| SEARCH | WO2017103330 |
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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Jun 13, 2025
Jun 13, 2025
Jun 13, 2025
Jun 5, 2025
Jun 5, 2025
Jun 5, 2025
May 22, 2025
May 19, 2025
(Electronic) Receipt
Appeal
May 19, 2025
May 19, 2025
May 9, 2025
May 9, 2025
May 8, 2025
May 6, 2025
May 5, 2025
(Electronic) Receipt
Appeal
May 5, 2025
May 5, 2025
Apr 30, 2025
(Electronic) Receipt
Appeal
Apr 30, 2025
Apr 30, 2025
Mar 24, 2025
Mar 24, 2025
Dec 18, 2024
Dec 18, 2024
Dec 13, 2024
Dec 13, 2024
May 24, 2024
May 21, 2024
(Electronic) Receipt
Appeal
May 21, 2024
May 21, 2024
Mar 28, 2024
Mar 25, 2024
(Electronic) Receipt
Appeal
Mar 25, 2024
Mar 25, 2024
Nov 23, 2023
Nov 20, 2023
(Electronic) Receipt
Appeal
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
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Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
Nov 20, 2023
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Nov 20, 2023
Nov 20, 2023
Reply to appeal
Appeal
Jul 10, 2023
Jul 3, 2023
(Electronic) Receipt
Appeal
Jul 3, 2023
Jul 3, 2023
Apr 25, 2023
Apr 25, 2023
Apr 20, 2023
(Electronic) Receipt
Appeal
Apr 20, 2023
Apr 20, 2023
Notice of appeal
Appeal
Mar 2, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Feb 20, 2023
Means of redress
OPPO
Feb 20, 2023
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Authorisation
Appeal
Jan 20, 2023
Authorisation
OPPO
Jan 20, 2023
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Jan 3, 2023
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Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Sep 10, 2021
Apr 22, 2021
Jan 13, 2021
Nov 26, 2020
Decision to grant a European patent
Search/Exam
Nov 12, 2020
(Electronic) Receipt
Search/Exam
Nov 12, 2020
Filing of the translations of the claims
Search/Exam
Nov 12, 2020
French translation of claims
Search/Exam
Nov 12, 2020
German translation of the claims
Search/Exam
Nov 12, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2020
Sep 9, 2020
Sep 9, 2020
Intention to grant (signatures)
Search/Exam
Sep 9, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 9, 2020
Aug 21, 2020
Examination started
Search/Exam
Apr 30, 2020
(Electronic) Receipt
Search/Exam
Apr 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2020
Written request for examination
Search/Exam
Jan 2, 2020
Nov 20, 2019
Notification of forthcoming publication
Search/Exam
Nov 15, 2019
Nov 15, 2019
European search opinion
Search/Exam
Nov 15, 2019
European search report
Search/Exam
Nov 15, 2019
Information on Search Strategy
Search/Exam
Aug 9, 2019
Aug 2, 2019
Jul 26, 2019
Communication to designated inventor
Search/Exam
Jun 2, 2019
Abstract
Search/Exam
Jun 2, 2019
Jun 2, 2019
Claims
Search/Exam
Jun 2, 2019
Description
Search/Exam
Jun 2, 2019
Designation of inventor
Search/Exam
Jun 2, 2019
Drawings
Search/Exam
Jun 2, 2019
Request for grant of a European patent
Search/Exam