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EP 4 540 965 A1

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(43) Date of publication: 23.04.2025 Bulletin 2025/17 (21) Application number: 23729882.3 (22) Date of filing: 08.05.2023

(51) International Patent Classification (IPC):  H04L 9/32(2006.01) G06F 21/57(2013.01) H04L 9/40(2022.01) H04L 67/00(2022.01) (52) Cooperative Patent Classification (CPC): H04L 63/166; G06F 21/572; H04L 9/3268; H04L 9/3265; H04L 9/0894 (86) International application number: PCT/US2023/021291 (87) International publication number: WO 2023/244345 (21.12.2023 Gazette 2023/51)

(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: 14.06.2022 US 202263352223 P 22.03.2023 US 202318188438 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)

(72) Inventors: POP, Cristian Iuliu Redmond, Washington 98052-6399 (US) VAN SCHAIK, Michiel Redmond, Washington 98052-6399 (US) LOTITO, Arturo Redmond, Washington 98052-6399 (US) ROHERA, Mahesh Sham Redmond, Washington 98052-6399 (US) THOMAS, Benjamin Livesley Redmond, Washington 98052-6399 (US) ROTH, David John Redmond, Washington 98052-6399 (US) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)