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The patent EP3431117 was granted to B Braun Avitum on Feb 22, 2023. The application was filed on Jul 18, 2018 under application number EP18184208A. 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 |
|---|---|---|---|
| FRESENIUS MEDICAL CARE | Apr 15, 2021 | BOBBERT & PARTNER PATENTANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN202699702U |
| OPPOSITION | DE102009038571 |
| OPPOSITION | DE19528160 |
| OPPOSITION | DE19537271 |
| OPPOSITION | DE202004016882U |
| OPPOSITION | DE3211895 |
| OPPOSITION | DE3320416 |
| OPPOSITION | DE3409457 |
| OPPOSITION | DE3911587 |
| OPPOSITION | DE8505923U |
| OPPOSITION | EP0530667 |
| OPPOSITION | EP0593102 |
| OPPOSITION | EP0715860 |
| OPPOSITION | EP2818152 |
| OPPOSITION | EP3017832 |
| OPPOSITION | FR2539034 |
| OPPOSITION | JPH09313597 |
| OPPOSITION | US2004267183 |
| OPPOSITION | US2005001110 |
| OPPOSITION | US2009182263 |
| OPPOSITION | US3515275 |
| OPPOSITION | US4991743 |
| OPPOSITION | US5954951 |
| OPPOSITION | US6039060 |
| OPPOSITION | WO0164262 |
| OPPOSITION | WO2009139878 |
| OPPOSITION | WO2013050689 |
| OPPOSITION | WO2013098779 |
| OPPOSITION | WO2015067359 |
| OPPOSITION | WO8810124 |
| OPPOSITION | WO9520985 |
| SEARCH | EP0715860 |
| SEARCH | EP2818152 |
| SEARCH | JPH09323597 |
| SEARCH | WO9520985 |
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
OPPO
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Document concerning representation
Search/Exam
Jul 27, 2020
Jul 22, 2020
Payment submission rejected
Search/Exam
Jun 18, 2020
Decision to grant a European patent
Search/Exam
May 27, 2020
(Electronic) Receipt
Search/Exam
May 27, 2020
English translation of the claims
Search/Exam
May 27, 2020
Filing of the translations of the claims
Search/Exam
May 27, 2020
French translation of claims
Search/Exam
May 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2020
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Intention to grant (signatures)
Search/Exam
Jan 24, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 24, 2020
Dec 19, 2019
Examination started
Search/Exam
Jul 23, 2019
(Electronic) Receipt
Search/Exam
Jul 23, 2019
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Amended description with annotations
Search/Exam
Jul 23, 2019
Amendments received before examination
Search/Exam
Jul 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 28, 2019
Jan 4, 2019
Notification of forthcoming publication
Search/Exam
Dec 12, 2018
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European search opinion
Search/Exam
Dec 12, 2018
European search report
Search/Exam
Dec 12, 2018
Information on Search Strategy
Search/Exam
Nov 29, 2018
Search started
Search/Exam
Sep 10, 2018
Communication to designated inventor
Search/Exam
Aug 13, 2018
Letter concerning the priority
Search/Exam
Aug 13, 2018
Priority document
Search/Exam
Jul 18, 2018
Abstract
Search/Exam
Jul 18, 2018
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Claims
Search/Exam
Jul 18, 2018
Description
Search/Exam
Jul 18, 2018
Designation of inventor
Search/Exam
Jul 18, 2018
Drawings
Search/Exam
Jul 18, 2018
Priority search results
Search/Exam
Jul 18, 2018
Request for grant of a European patent
Search/Exam