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(11)

EP 4 500 774 A1

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(43) Date of publication: 05.02.2025 Bulletin 2025/06 (21) Application number: 23712928.3 (22) Date of filing: 09.03.2023

(51) International Patent Classification (IPC):  H04L 9/00(2022.01) H04L 9/40(2022.01) G16B 50/00(2019.01) (52) Cooperative Patent Classification (CPC): H04L 9/50; H04L 63/0421; G16B 20/20; G16B 50/40; H04L 9/3247; H04L 9/3263; H04L 9/3231; H04L 2209/42 (86) International application number: PCT/GB2023/050562 (87) International publication number: WO 2023/187312 (05.10.2023 Gazette 2023/40)

(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: KH MA MD TN (30) Priority: 28.03.2022 GB 202204375 28.03.2022 US 202217705525 28.03.2022 US 202217705548 28.03.2022 US 202217705560 (71) Applicant: Veiovia Limited York, Yorkshire YO10 5DD (GB)

(72) Inventors: TEODOR, Roxana Iuliana York (GB) ASHTON, Peter York (GB) LYON, Remy York (GB) FAYYAZ SHAHANDASHTI, Siamak York (GB) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)