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The patent EP3773790 was granted to Baxter on Oct 11, 2023. The application was filed on Apr 4, 2019 under application number EP19718048A. 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 | Jul 11, 2024 | HERRMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE102015010467 |
| INTERNATIONAL-SEARCH-REPORT | US5336173 |
| INTERNATIONAL-SEARCH-REPORT | US5445610 |
| INTERNATIONAL-SEARCH-REPORT | WO2009148987 |
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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Decision to grant a European patent
Search/Exam
Aug 31, 2023
(Electronic) Receipt
Search/Exam
Aug 31, 2023
French translation of claims
Search/Exam
Aug 31, 2023
German translation of the claims
Search/Exam
Aug 31, 2023
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
May 12, 2023
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
Dec 20, 2022
Document concerning representation
Search/Exam
May 6, 2021
(Electronic) Receipt
Search/Exam
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Amended description with annotations
Search/Exam
May 6, 2021
Amendments received before examination
Search/Exam
May 6, 2021
Letter accompanying subsequently filed items
Search/Exam
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Letter which had not been notified
Search/Exam
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Letter which had not been notified
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
Search/Exam
Oct 19, 2020
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(Electronic) Receipt
Search/Exam
Sep 29, 2020
Matter concerning the application
Search/Exam
Sep 29, 2020
Request for entry into the European phase
Search/Exam
Aug 14, 2020
Information on entry into European phase
Search/Exam
Dec 5, 2019
Nov 14, 2019
Copy of the international search report
Search/Exam
Nov 14, 2019
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Published international application - A2
Search/Exam
Oct 8, 2019
ISR: cited documents
PCTISA
Oct 8, 2019
ISR: cover sheet
PCTISA
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(Electronic) Receipt
PCTISA
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Abstract
PCTISA
Apr 15, 2019
Annex
PCTISA
Apr 15, 2019
Claims
PCTISA
Apr 15, 2019
Description
PCTISA
Apr 15, 2019
Drawings
PCTISA
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