{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11521213","patent":{"patent_number":"US-11521213","title":"Continuous authentication for digital services based on contactless card positioning","assignee":null,"inventors":[],"filing_date":"2019-07-18T00:00:00.000Z","publication_date":"2022-12-06T00:00:00.000Z","cpc_codes":["G06Q","G06F","G06K","G06Q","G06Q","G06Q","H04L","H04L","H04L","H04L","H04W","H04W","G07F","H04L","H04L"],"num_claims":20,"abstract":"Various embodiments are generally directed to continuous authentication of a user to a digital service based on activity of a contactless card positioned proximate to a computing device on which the digital service operates. For example, a series of periodic status messages may be provided between a client device and the contactless card to verify whether the contactless card remains active, wherein authorization to access the digital service continues while the contactless card is active, and terminates when the contactless card is inactive."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Continuous authentication for digital services based on contactless card positioning","description":"Various embodiments are generally directed to continuous authentication of a user to a digital service based on activity of a contactless card positioned proximate to a computing device on which the d","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11521213","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11521213","citation_suggestion":"Patentable. \"Continuous authentication for digital services based on contactless card positioning\" (US-11521213). https://patentable.app/patents/US-11521213","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11521213","json":"https://patentable.app/api/llm-context/US-11521213","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T07:01:19.751Z"}