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The patent EP3641873 was granted to Fresenius Kabi Deutschland on Jan 10, 2024. The application was filed on Apr 13, 2018 under application number EP18821642A. 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 |
|---|---|---|---|
| B BRAUN MELSUNGEN | Oct 9, 2024 | WINTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2011282302 |
| DESCRIPTION | US2016129235 |
| INTERNATIONAL-SEARCH-REPORT | US2005151105 |
| INTERNATIONAL-SEARCH-REPORT | US2011282302 |
| INTERNATIONAL-SEARCH-REPORT | US2016129235 |
| INTERNATIONAL-SEARCH-REPORT | US5928204 |
| INTERNATIONAL-SEARCH-REPORT | US9925365 |
| OPPOSITION | US2011282302 |
| OPPOSITION | US2013289534 |
| OPPOSITION | US2015126942 |
| OPPOSITION | US2016129235 |
| OPPOSITION | WO0020070 |
| OPPOSITION | WO2014150645 |
| SEARCH | US2005151105 |
| SEARCH | US2011282302 |
| SEARCH | US2016129235 |
| SEARCH | US5549566 |
| SEARCH | US5928204 |
| SEARCH | US8414542 |
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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Description
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Feb 21, 2025
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Feb 21, 2025
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Feb 21, 2025
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Feb 21, 2025
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Description
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Authorisation
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Decision to grant a European patent
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Dec 4, 2023
(Electronic) Receipt
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Dec 4, 2023
Filing of the translations of the claims
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Dec 4, 2023
French translation of claims
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Dec 4, 2023
German translation of the claims
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Oct 16, 2023
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Intention to grant (signatures)
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Oct 16, 2023
Text intended for grant (clean copy)
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Oct 16, 2023
Sep 7, 2023
Examination started
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Annexes in respect of a client data request
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Mar 29, 2022
Document concerning representation
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Jun 11, 2021
(Electronic) Receipt
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Jun 11, 2021
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Amended claims with annotations
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Jun 11, 2021
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Amended description with annotations
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Jun 11, 2021
Amendments received before examination
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Jun 11, 2021
Letter accompanying subsequently filed items
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Dec 11, 2020
Nov 24, 2020
Nov 24, 2020
European search opinion
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Nov 24, 2020
Information on Search Strategy
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Nov 24, 2020
Supplementary European search report
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Nov 6, 2020
(Electronic) Receipt
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Nov 6, 2020
Letter accompanying subsequently filed items
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Nov 6, 2020
Letter concerning fees and payments
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Sep 22, 2020
Sep 22, 2020
Information on Search Strategy
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Sep 22, 2020
Partial European search report
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Sep 22, 2020
Sep 14, 2020
Search started
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Apr 1, 2020
Jan 31, 2020
Jan 29, 2020
Communication to designated inventor
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Jan 29, 2020
Communication to designated inventor
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Jan 29, 2020
Communication to designated inventor
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Jan 7, 2020
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Dec 4, 2019
Information regarding early processing
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Nov 22, 2019
(Electronic) Receipt
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Nov 22, 2019
Request for entry into the European phase
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Nov 4, 2019
Information on entry into European phase
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Feb 15, 2019
Notification of the recording of a change
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Feb 15, 2019
Notification of the recording of a change
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Jan 17, 2019
Dec 27, 2018
Copy of the international search report
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Dec 27, 2018
Published international application - A1
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