(19)

(11)

EP 4 381 512 A1

(12)

(43) Date of publication: 12.06.2024 Bulletin 2024/24 (21) Application number: 22761904.6 (22) Date of filing: 04.08.2022

(51) International Patent Classification (IPC):  G16B 20/20(2019.01) G16B 40/20(2019.01) (52) Cooperative Patent Classification (CPC): G16B 20/20; G16B 40/20 (86) International application number: PCT/US2022/074523 (87) International publication number: WO 2023/015244 (09.02.2023 Gazette 2023/06)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 05.08.2021 US 202163229797 P (71) Applicant: Grail, LLC Menlo Park, CA 94025 (US)	(72) Inventors: SINGH, Pranav Parmjit Menlo Park, California 94025 (US) VENN, Oliver, Claude Menlo Park, California 94025 (US) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)