A method, apparatus and system for securely providing material to a licensee of the material are described. In each, at least one license key is provided, preferably along with a license including usage rights for requested content or material to the licensee. The material requested and licensed by the...http://www.google.com/patents/US7299209?utm_source=gb-gplus-sharePatent US7299209 - Method, apparatus and system for securely providing material to a licensee of the material
