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(11)

EP 4 552 287 A1

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(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23736531.7 (22) Date of filing: 07.06.2023

(51) International Patent Classification (IPC):  H04L 9/40(2022.01) H04L 67/10(2022.01) (52) Cooperative Patent Classification (CPC): H04L 63/0823; H04L 67/10 (86) International application number: PCT/US2023/024632 (87) International publication number: WO 2024/010664 (11.01.2024 Gazette 2024/02)

(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: 08.07.2022 US 202263359619 P 18.08.2022 US 202217820617 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)

(72) Inventors: ROSS, Yevgeniya Redmond, Washington 98052-6399 (US) PADMANABHAN, Prasanna Chromepet Redmond, Washington 98052-6399 (US) LIU, Derek Xianyang Redmond, Washington 98052-6399 (US) WILLSON, Zachary Cole Redmond, Washington 98052-6399 (US) ZAVERY, Amar Dinesh Redmond, Washington 98052-6399 (US) GOEL, Somesh Redmond, Washington 98052-6399 (US) (74) Representative: CMS Cameron McKenna Nabarro Olswang LLP  Cannon Place 78 Cannon Street London EC4N 6AF London EC4N 6AF (GB)