{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9639877","patent":{"patent_number":"US-9639877","title":"eBook citation enhancement","assignee":null,"inventors":[],"filing_date":"2012-07-06T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G06Q"],"num_claims":26,"abstract":"Electronic content items such as electronic books are enhanced by identifying citations within the content items, identifying sources of the objects of the citations, and associating the citations with such sources so that readers of the content items can easily purchase or otherwise obtain the citation objects. The citations may be updated as new products become available or information related to the products changes over time."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"eBook citation enhancement","description":"Electronic content items such as electronic books are enhanced by identifying citations within the content items, identifying sources of the objects of the citations, and associating the citations wit","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9639877","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-9639877","citation_suggestion":"Patentable. \"eBook citation enhancement\" (US-9639877). https://patentable.app/patents/US-9639877","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9639877","json":"https://patentable.app/api/llm-context/US-9639877","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:20:37.191Z"}