{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8542325","patent":{"patent_number":"US-8542325","title":"Color changing contact lenses","assignee":null,"inventors":[],"filing_date":"2011-11-27T00:00:00.000Z","publication_date":"2013-09-24T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F"],"num_claims":10,"abstract":"The present invention generally relates to contact lenses. Specifically, this invention relates to contact lenses that change color based on one or more stimuli. The present application provides for a color changing contact lens that can change its color based on one or more stimuli. The color changing contact lens is constructed of an inner layer, an outer layer and a supply of liquid crystal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Color changing contact lenses","description":"The present invention generally relates to contact lenses. Specifically, this invention relates to contact lenses that change color based on one or more stimuli. The present application provides for a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8542325","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-8542325","citation_suggestion":"Patentable. \"Color changing contact lenses\" (US-8542325). https://patentable.app/patents/US-8542325","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8542325","json":"https://patentable.app/api/llm-context/US-8542325","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:04:35.420Z"}