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(11)

EP 3 935 538 A1

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(43) Date of publication: 12.01.2022 Bulletin 2022/02 (21) Application number: 20714782.8 (22) Date of filing: 27.02.2020

(51) International Patent Classification (IPC):  G06F 21/53(2013.01) G06F 21/83(2013.01) G06F 21/57(2013.01) G06F 21/84(2013.01) (52) Cooperative Patent Classification (CPC): G06F 21/84; G06F 21/53; G06F 21/57; G06F 21/83 (86) International application number: PCT/US2020/020243 (87) International publication number: WO 2020/185417 (17.09.2020 Gazette 2020/38)

(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: 08.03.2019 US 201916297162 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)	(72) Inventors: THALER, David Garfield, III Redmond, Washington 98052-6399 (US) THOM, Stefan Redmond, Washington 98052-6399 (US) TELFER, Brian Clifford Redmond, Washington 98052-6399 (US) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)