Patents Examined by Pierre F. Elisca
  • Patent number: 5892900
    Abstract: The present invention provides systems and methods for electronic commerce including secure transaction management and electronic rights protection. Electronic appliances such as computers employed in accordance with the present invention help to ensure that information is accessed and used only in authorized ways, and maintain the integrity, availability, and/or confidentiality of the information. Secure subsystems used with such electronic appliances provide a distributed virtual distribution environment (VDE) that may enforce a secure chain of handling and control, for example, to control and/or meter or otherwise monitor use of electronically stored or disseminated information. Such a virtual distribution environment may be used to protect rights of various participants in electronic commerce and other electronic or electronic-facilitated transactions.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: April 6, 1999
    Assignee: InterTrust Technologies Corp.
    Inventors: Karl L. Ginter, Victor H. Shear, W. Olin Sibert, Francis J. Spahn, David M. Van Wie