A method for minimizing the potential for unauthorized use of digital information, particularly software programs, digital content and other computer information, by verifying user access rights to electronically transmitted digital information. A second computer system transmits requested digital information...http://www.google.com.au/patents/US6041411?utm_source=gb-gplus-sharePatent US6041411 - Method for defining and verifying user access rights to a computer information
Method for defining and verifying user access rights to a computer information