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(11)

EP 4 825 033 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 25716783.3 (22) Date of filing: 21.03.2025

(51) International Patent Classification (IPC):  H04L 67/10(2022.01) H04L 9/40(2022.01) H04L 47/125(2022.01) (52) Cooperative Patent Classification (CPC): H04L 47/125; H04L 67/10; H04L 45/037; H04L 45/04 (86) International application number: PCT/GB2025/050613 (87) International publication number: WO 2026/176167 (27.08.2026 Gazette 2026/35)

(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: 18.02.2025 GB 202502370 (71) Applicant: Skyscanner Technology Limited London W1D 4AL (GB)	(72) Inventors: WILLIAMS, Alex London W1D 4AL (GB) HUTCHESON, William London W1D 4AL (GB) RUINA, Matteo London W1D 4AL (GB) CLARK, John London W1D 4AL (GB) CHAUDY, Georges London W1D 4AL (GB) (74) Representative: Langley, Peter James  Origin Limited Twisden Works Twisden Road London NW5 1DN London NW5 1DN (GB)