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EP 4 816 093 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24821501.4 (22) Date of filing: 29.11.2024

(51) International Patent Classification (IPC):  B01L 3/00(2006.01) (52) Cooperative Patent Classification (CPC): B01L 2200/0689; B01L 2300/042; B01L 2300/0681; B01L 2300/049; B01L 2200/026; B01L 3/5635; B01L 2300/047; B01L 3/50825 (86) International application number: PCT/GB2024/053007 (87) International publication number: WO 2025/114725 (05.06.2025 Gazette 2025/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 30.11.2023 GB 202318365 (71) Applicant: RapidX Bio Ltd Milton, Cambridge CB4 0WS (GB)

(72) Inventors: RAMMAL, Mohamad Cambridge Cambridgeshire CB4 0WS (GB) SAWHNEY, Nipun Cambridge Cambridgeshire CB4 0WS (GB) XU, Shuler Cambridge Cambridgeshire CB4 0WS (GB) CHAPELON, Emilien Victor Pierre Cambridge Cambridgeshire CB4 0WS (GB) RECK, Kieran Cambridge Cambridgeshire CB4 0WS (GB) BURGESS, Matthew Cambridge Cambridgeshire CB4 0WS (GB) (74) Representative: Crowell & Moring U.K. LLP  199 Bishopsgate London EC2M 3TY London EC2M 3TY (GB)