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The patent EP3393544 was granted to Fresenius Medical Care Deutschland on Jan 27, 2021. The application was filed on Dec 14, 2016 under application number EP16822930A. The patent is currently recorded with a legal status of "Revoked".

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 | Oct 22, 2021 | WINTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0623357 |
| INTERNATIONAL-SEARCH-REPORT | WO2004103442 |
| INTERNATIONAL-SEARCH-REPORT | WO2013074769 |
| INTERNATIONAL-SEARCH-REPORT | WO2013116660 |
| INTERNATIONAL-SEARCH-REPORT | WO2014162000 |
| OPPOSITION | DE3852504T |
| OPPOSITION | EP2606922 |
| OPPOSITION | US2007061089 |
| OPPOSITION | US2014299544 |
| OPPOSITION | US2015227293 |
| OPPOSITION | WO2014162000 |
| OPPOSITION | WO2017001556 |
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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Search/Exam
Dec 7, 2020
(Electronic) Receipt
Search/Exam
Dec 7, 2020
English translation of the claims
Search/Exam
Dec 7, 2020
French translation of claims
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Dec 7, 2020
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
Search/Exam
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Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Apr 26, 2019
Letter accompanying subsequently filed items
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Apr 26, 2019
Priority search results
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Feb 4, 2019
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Feb 4, 2019
Letter accompanying subsequently filed items
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Communication to designated inventor
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(Electronic) Receipt
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Jun 25, 2018
Request for entry into the European phase
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May 4, 2018
Information on entry into European phase
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Copy of the international search report
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Copy of the international search report
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Jun 29, 2017
Published international application - A1
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Mar 24, 2017
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(Electronic) Receipt
PCTRO
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Abstract
PCTRO
Dec 14, 2016
Claims
PCTRO
Dec 14, 2016
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