Patent No. EP4400048 (titled "Blood Collection Tube Holder With Single Needle") was filed by Retractable on Dec 14, 2018. The application was issued on Sep 10, 2025.

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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