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The patent EP3950959 was granted to DRK Blutspendedienst Baden Wrttemberg Hessen Gemeinntzige on Oct 25, 2023. The application was filed on Mar 24, 2020 under application number EP21191745A. 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 |
|---|---|---|---|
| SYNLAB HOLDING DEUTSCHLAND | Jul 23, 2024 | WACHINGER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | US2012039921 |
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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Means of redress
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General enquiry
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Decision to grant a European patent
Search/Exam
Sep 14, 2023
(Electronic) Receipt
Search/Exam
Sep 14, 2023
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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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
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Mar 22, 2023
Communication from the Examining Division
Search/Exam
Dec 5, 2022
(Electronic) Receipt
Search/Exam
Dec 5, 2022
Annex
Search/Exam
Dec 5, 2022
Letter accompanying subsequently filed items
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Annex to a communication
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Annex to the communication
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Sep 21, 2022
Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Amendments received before examination
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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Dec 28, 2021
Refund of fees
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European search opinion
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Dec 22, 2021
European search report
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Dec 22, 2021
Information on Search Strategy
Search/Exam
Dec 14, 2021
Search started
Search/Exam
Aug 17, 2021
Abstract
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Aug 17, 2021
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Claims
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Aug 17, 2021
Description
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Aug 17, 2021
Designation of inventor
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Aug 17, 2021
Drawings
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Aug 17, 2021
Request for grant of a European patent
Search/Exam