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The patent EP3684320 was granted to Fresenius Kabi Deutschland on Jun 7, 2023. The application was filed on Sep 21, 2018 under application number EP18773762A. 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 | Mar 7, 2024 | HORN KLEIMANN WAITZHOFER SCHMID DREYER PATENT UND RECHTSANWALTE PARTG MBB | ADMISSIBLE |
| B BRAUN MELSUNGEN | Mar 7, 2024 | MAIWALD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2011108158 |
| INTERNATIONAL-SEARCH-REPORT | US4973327 |
| INTERNATIONAL-SEARCH-REPORT | WO2007114759 |
| INTERNATIONAL-SEARCH-REPORT | WO2008115548 |
| INTERNATIONAL-SEARCH-REPORT | WO2014140494 |
| INTERNATIONAL-SEARCH-REPORT | WO2014147159 |
| OPPOSITION | CN102230567 |
| OPPOSITION | EP1241110 |
| OPPOSITION | JP2004042961 |
| OPPOSITION | JP2004262528 |
| OPPOSITION | JP2006117586 |
| OPPOSITION | JP2014118157 |
| OPPOSITION | JPH01279018 |
| OPPOSITION | US2011207824 |
| OPPOSITION | US2012210675 |
| OPPOSITION | US3977445 |
| OPPOSITION | WO2015064153 |
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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Jun 20, 2023
May 11, 2023
Decision to grant a European patent
Search/Exam
Mar 30, 2023
(Electronic) Receipt
Search/Exam
Mar 30, 2023
English translation of the claims
Search/Exam
Mar 30, 2023
French translation of claims
Search/Exam
Mar 30, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2023
(Electronic) Receipt
Search/Exam
Mar 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 27, 2023
Dec 8, 2022
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Intention to grant (signatures)
Search/Exam
Dec 8, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 8, 2022
Oct 12, 2022
Examination started
Search/Exam
Jun 28, 2022
Nov 6, 2020
(Electronic) Receipt
Search/Exam
Nov 6, 2020
Nov 6, 2020
Amended claims with annotations
Search/Exam
Nov 6, 2020
Amendments received before examination
Search/Exam
Nov 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2020
May 6, 2020
Apr 30, 2020
Communication to designated inventor
Search/Exam
Apr 30, 2020
Communication to designated inventor
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Apr 30, 2020
Communication to designated inventor
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Apr 30, 2020
Communication to designated inventor
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Apr 30, 2020
Communication to designated inventor
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Apr 30, 2020
Communication to designated inventor
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Apr 30, 2020
Communication to designated inventor
Search/Exam
Apr 24, 2020
Priority search results copy provided by EPO
Search/Exam
Apr 16, 2020
(Electronic) Receipt
Search/Exam
Apr 16, 2020
Request for entry into the European phase
Search/Exam
Apr 9, 2020
Jan 31, 2020
Information on entry into European phase
Search/Exam
Apr 16, 2019
Mar 28, 2019
Copy of the international search report
Search/Exam
Mar 28, 2019
Published international application - A1
Search/Exam
Nov 30, 2018
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Oct 25, 2018
(Electronic) Receipt
PCTRO
Oct 25, 2018
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Sep 21, 2018
(Electronic) Receipt
PCTRO
Sep 21, 2018
Abstract
PCTRO
Sep 21, 2018
Claims
PCTRO
Sep 21, 2018
Description
PCTRO
Sep 21, 2018
Sep 21, 2018
Drawings
PCTRO
Sep 21, 2018
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