{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9715520","patent":{"patent_number":"US-9715520","title":"Validity map-based tracking of user data updates","assignee":null,"inventors":[],"filing_date":"2013-12-20T00:00:00.000Z","publication_date":"2017-07-25T00:00:00.000Z","cpc_codes":["G06F"],"num_claims":20,"abstract":"A method and apparatus is disclosed for utilizing a validity map to indicate whether an overwriting data portion of user data is received. In the method and apparatus, a plurality of data portions of user data are received, whereby each data portion of the plurality of data portion may overwrite another data portion. A validity map may be utilized to indicate whether a data portion is an overwriting data portion. The validity map may be utilized for retrieving the data portion instead of the data portion being replaced."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Validity map-based tracking of user data updates","description":"A method and apparatus is disclosed for utilizing a validity map to indicate whether an overwriting data portion of user data is received. In the method and apparatus, a plurality of data portions of ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9715520","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-9715520","citation_suggestion":"Patentable. \"Validity map-based tracking of user data updates\" (US-9715520). https://patentable.app/patents/US-9715520","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9715520","json":"https://patentable.app/api/llm-context/US-9715520","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:15:56.760Z"}