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The patent EP3685131 was granted to Beckman Coulter on Sep 7, 2022. The application was filed on Sep 19, 2018 under application number EP18783245A. 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 |
|---|---|---|---|
| KARLHUBER | Jun 7, 2023 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US7128874 |
| INTERNATIONAL-SEARCH-REPORT | JP2013072727 |
| INTERNATIONAL-SEARCH-REPORT | US2013275054 |
| INTERNATIONAL-SEARCH-REPORT | WO2006066460 |
| INTERNATIONAL-SEARCH-REPORT | WO9942817 |
| OPPOSITION | JP2000046734 |
| OPPOSITION | JP2013072727 |
| OPPOSITION | JP4902582B |
| OPPOSITION | WO2006066460 |
| OPPOSITION | WO9942817 |
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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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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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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Examination started
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Amended description with annotations
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Search/Exam
Nov 10, 2020
Letter accompanying subsequently filed items
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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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(Electronic) Receipt
Search/Exam
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Request for entry into the European phase
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Information on entry into European phase
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Notification of the recording of a change
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Notification of the recording of a change
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Copy of the international search report
Search/Exam
Mar 28, 2019
Published international application - A1
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Dec 19, 2018
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PCTISA
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PCTISA
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PCTISA
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PCTISA
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Description
PCTISA
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PCTISA
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