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(11)

EP 3 738 056 A1

(12)

(43) Date of publication: 18.11.2020 Bulletin 2020/47 (21) Application number: 19710487.0 (22) Date of filing: 08.02.2019

(51) International Patent Classification (IPC):  G06F 17/24(2006.01) G06F 17/22(2006.01) (86) International application number: PCT/IB2019/051050 (87) International publication number: WO 2019/202411 (24.10.2019 Gazette 2019/43)

(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: 18.04.2018 US 201815956116 18.04.2018 US 201815956127 (71) Applicant: Dropbox, Inc. San Francisco, CA 94107 (US)

(72) Inventors: ROSE, Philip San Francisco, California 94107 (US) CHAO, Ed San Francisco, California 94158-2381 (US) TUNC, Kevin San Francisco, California 94107 (US) MOSENIFAR, Alessandra San Francisco, California 94158-2381 (US) FRADIN, Alexandra San Francisco, California 94107 (US) (74) Representative: Hibbert, Juliet Jane Grace et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)