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(11)

EP 4 420 339 A1

(12)

(43) Date of publication: 28.08.2024 Bulletin 2024/35 (21) Application number: 22803409.6 (22) Date of filing: 13.10.2022

(51) International Patent Classification (IPC):  H04M 3/22(2006.01) H04M 3/42(2006.01) H04W 4/12(2009.01) H04W 12/128(2021.01) H04M 7/00(2006.01) H04L 51/212(2022.01) H04M 3/436(2006.01) H04W 12/126(2021.01) H04L 9/40(2022.01) (52) Cooperative Patent Classification (CPC): H04M 3/42382; H04M 3/436; H04M 3/2254; H04M 7/0093; H04M 2201/18; H04M 2203/6027; H04L 63/1466; H04W 4/12; H04W 12/128; H04L 51/212; H04M 3/42059; H04M 3/42102; H04L 51/58; H04L 63/18; H04L 63/1425; H04W 12/72; H04W 12/088 (86) International application number: PCT/US2022/046573 (87) International publication number: WO 2023/069302 (27.04.2023 Gazette 2023/17)

(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: 18.10.2021 US 202117504025 (71) Applicant: AB Handshake Corporation Miami, FL 33130 (US)	(72) Inventor: OKHRIMENKO, Sergei St. Petersburg 198578 (RU) (74) Representative: Cohausz & Florack  Patent- & Rechtsanwälte Partnerschaftsgesellschaft mbB Bleichstraße 14 40211 Düsseldorf 40211 Düsseldorf (DE)