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The patent EP3461515 was granted to B Braun Avitum on Feb 24, 2021. The application was filed on Sep 25, 2018 under application number EP18196481A. 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 |
|---|---|---|---|
| FRESENIUS MEDICAL CARE | Nov 24, 2021 | NORDMEYER | - |
| FRESENIUS MEDICAL CARE | Nov 24, 2021 | NORDMEYER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102014111732 |
| OPPOSITION | EP0898974 |
| OPPOSITION | EP0980686 |
| OPPOSITION | EP1144024 |
| OPPOSITION | EP1444997 |
| OPPOSITION | EP1615680 |
| OPPOSITION | EP2442845 |
| OPPOSITION | US2011009800 |
| OPPOSITION | WO2007115802 |
| OPPOSITION | WO2016150916 |
| SEARCH | DE102014111732 |
| SEARCH | EP0898974 |
| SEARCH | EP0980686 |
| SEARCH | US2011009800 |
| SEARCH | US6702774 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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General enquiry
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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General enquiry
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Claims
Appeal
Dec 20, 2023
Description
Appeal
Dec 20, 2023
Description
Appeal
Dec 20, 2023
Description
Appeal
Dec 20, 2023
Description
Appeal
Dec 20, 2023
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
Aug 10, 2023
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(Electronic) Receipt
Appeal
Jun 12, 2023
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Notice of appeal
Appeal
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OPPO
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Description
OPPO
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Mar 8, 2021
Feb 23, 2021
Document concerning representation
Search/Exam
Jan 28, 2021
Decision to grant a European patent
Search/Exam
Jan 7, 2021
(Electronic) Receipt
Search/Exam
Jan 7, 2021
English translation of the claims
Search/Exam
Jan 7, 2021
Filing of the translations of the claims
Search/Exam
Jan 7, 2021
French translation of claims
Search/Exam
Jan 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2020
Sep 3, 2020
Sep 3, 2020
Intention to grant (signatures)
Search/Exam
Sep 3, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 3, 2020
Jul 23, 2020
Examination started
Search/Exam
Oct 2, 2019
(Electronic) Receipt
Search/Exam
Oct 2, 2019
Oct 2, 2019
Amended claims with annotations
Search/Exam
Oct 2, 2019
Amendments received before examination
Search/Exam
Oct 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2019
Mar 6, 2019
Notification of forthcoming publication
Search/Exam
Feb 11, 2019
Feb 11, 2019
European search opinion
Search/Exam
Feb 11, 2019
European search report
Search/Exam
Feb 11, 2019
Information on Search Strategy
Search/Exam
Jan 28, 2019
Search started
Search/Exam
Nov 16, 2018
Communication to designated inventor
Search/Exam
Oct 24, 2018
Letter concerning the priority
Search/Exam
Oct 24, 2018
Priority document
Search/Exam
Sep 25, 2018
Abstract
Search/Exam
Sep 25, 2018
Sep 25, 2018
Claims
Search/Exam
Sep 25, 2018
Description
Search/Exam
Sep 25, 2018
Designation of inventor
Search/Exam
Sep 25, 2018
Drawings
Search/Exam
Sep 25, 2018
Priority search results
Search/Exam
Sep 25, 2018
Request for grant of a European patent
Search/Exam