{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Reviewing cached user-group information in connection with issuing a digital rights management (DRM) license for content", "item": "https://www.patentleaderboard.com/patent/6990502"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Reviewing cached user-group information in connection with issuing a digital rights management (DRM) license for content

US Patent 6990502 · Granted Jan 24, 2006

Estimated economic value: $27,353,000

Assignee

Inventors

View full patent text on Google Patents →