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The patent EP3400872 was granted to Nexcom on Nov 2, 2022. The application was filed on Aug 10, 2017 under application number EP17185786A. 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 DEUTSCHLAND | Jul 7, 2020 | HERRMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | JP2010187927 |
| OPPOSITION | US2004249293 |
| OPPOSITION | US2011054352 |
| OPPOSITION | US2011208071 |
| OPPOSITION | US2012179053 |
| OPPOSITION | US2016022157 |
| OPPOSITION | US6533729 |
| OPPOSITION | WO2012163738 |
| OPPOSITION | WO2013178313 |
| OPPOSITION | WO2015185202 |
| OPPOSITION | WO2015200718 |
| OPPOSITION | WO2018183558 |
| SEARCH | US2009088686 |
| SEARCH | US2011137210 |
| SEARCH | WO02069805 |
| SEARCH | WO2006064433 |
| SEARCH | WO2014094173 |
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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Oct 7, 2022
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Oct 21, 2019
Sep 12, 2019
Decision to grant a European patent
Search/Exam
Aug 23, 2019
Filing of the translations of the claims
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Aug 23, 2019
French translation of claims
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Aug 23, 2019
German translation of the claims
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May 2, 2019
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Intention to grant (signatures)
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May 2, 2019
Text intended for grant (clean copy)
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May 2, 2019
Mar 27, 2019
Examination started
Search/Exam
Dec 12, 2018
Priority search results
Search/Exam
Dec 12, 2018
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Oct 17, 2018
Notification of forthcoming publication
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Mar 26, 2018
(Electronic) Receipt
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Mar 26, 2018
Letter concerning fees and payments
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Mar 26, 2018
Feb 23, 2018
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European search opinion
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Feb 23, 2018
European search report
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Feb 23, 2018
Information on Search Strategy
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Feb 12, 2018
Search started
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Nov 6, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Nov 6, 2017
Communication to designated inventor
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Aug 28, 2017
Letter concerning the priority
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Aug 28, 2017
Priority document
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Aug 10, 2017
Abstract
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Aug 10, 2017
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Claims
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Aug 10, 2017
Description
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Aug 10, 2017
Designation of inventor
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Aug 10, 2017
Drawings
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Aug 10, 2017
Request for grant of a European patent
Search/Exam