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The patent EP3241577 was granted to Fresenius Medical Care Deutschland on Nov 18, 2020. The application was filed on Apr 27, 2007 under application number EP17172400A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 AVITUM | Aug 17, 2021 | WINTER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE10011208 |
| OPPOSITION | DE4240681 |
| OPPOSITION | EP1295617 |
| OPPOSITION | EP1457218 |
| OPPOSITION | JPH0368371 |
| OPPOSITION | US2002017489 |
| OPPOSITION | US2006079826 |
| OPPOSITION | US5776345 |
| OPPOSITION | WO02062454 |
| OPPOSITION | WO9640320 |
| OPPOSITION | WO9920376 |
| SEARCH | DE10011208 |
| SEARCH | DE4240681 |
| SEARCH | US5776345 |
| SEARCH | WO9640320 |
| SEARCH | WO9920376 |
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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Description
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Decision to grant a European patent
Search/Exam
Oct 6, 2020
(Electronic) Receipt
Search/Exam
Oct 6, 2020
English translation of the claims
Search/Exam
Oct 6, 2020
French translation of claims
Search/Exam
Oct 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2020
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Intention to grant (signatures)
Search/Exam
Jun 9, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 9, 2020
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(Electronic) Receipt
Search/Exam
Feb 13, 2020
Amended claims with annotations
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Feb 13, 2020
Claims
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Feb 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2020
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Annex to the communication
Search/Exam
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Communication from the Examining Division
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Annex to the communication
Search/Exam
Jan 24, 2019
Communication from the Examining Division
Search/Exam
Jan 17, 2019
Examination started
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Apr 12, 2018
(Electronic) Receipt
Search/Exam
Apr 12, 2018
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Amended claims with annotations
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Amended description with annotations
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Apr 12, 2018
Amendments received before examination
Search/Exam
Apr 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2017
Oct 18, 2017
Refund of fees
Search/Exam
Oct 11, 2017
Notification of forthcoming publication
Search/Exam
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European search opinion
Search/Exam
Sep 19, 2017
European search report
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Sep 19, 2017
Information on Search Strategy
Search/Exam
Sep 8, 2017
Search started
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Jul 14, 2017
Communication to designated inventor
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May 23, 2017
Abstract
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Claims
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May 23, 2017
Description
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May 23, 2017
Designation of inventor
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May 23, 2017
Drawings
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May 23, 2017
Priority search results
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May 23, 2017
Request for grant of a European patent
Search/Exam
Dec 12, 2007