{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8494921","patent":{"patent_number":"US-8494921","title":"Methods, systems, and products for electronic purchases","assignee":null,"inventors":[],"filing_date":"2011-01-07T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["G06Q","G06Q","G06Q","G06Q","G06Q"],"num_claims":20,"abstract":"Methods, systems, and products facilitate electronic purchases. An electronic shopping cart is received at a server associated with a first merchant. The electronic shopping cart is inspected for an item selected for purchase from a different merchant. If the first merchant can offer better terms for the item, the server sends a recommendation to a customer to remove the item from the electronic shopping cart and to add a substitute item offered by the first merchant. If the customer approves, then the server replaces the item in the electronic shopping cart with the substitute item associated with the first merchant."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods, systems, and products for electronic purchases","description":"Methods, systems, and products facilitate electronic purchases. An electronic shopping cart is received at a server associated with a first merchant. The electronic shopping cart is inspected for an i","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8494921","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-8494921","citation_suggestion":"Patentable. \"Methods, systems, and products for electronic purchases\" (US-8494921). https://patentable.app/patents/US-8494921","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8494921","json":"https://patentable.app/api/llm-context/US-8494921","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:48:49.654Z"}