Patents by Inventor Malcolm Lockhart

Malcolm Lockhart has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7392523
    Abstract: Systems and methods consistent with the present invention ensure software integrity by associating each software component to be included in a federation with a distinct unique identifier. A subset of the identifiers corresponding to any two software components should match for the federation to be accepted.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: June 24, 2008
    Assignee: Symantec Corporation
    Inventors: George Herbert Stahl, Malcolm Lockhart
  • Publication number: 20060041748
    Abstract: A system and method for data rights management across multiple data rights management architectures is disclosed. The system and method solves the problems posed by multiple incompatible data rights management architectures. In particular, a data rights management clearing house is provided that generates permits, permit classes, and enables content packaging across multiple data rights management architectures. Consumers may acquire rights to content packaged with different data rights management architecture from the single data rights management clearing house. Additionally, the system and method enables content packagers to package content with multiple data rights management architectures. Finally, the data rights management clearing house provides consumers with a single location from which to manage data access rights and restore data access rights that have been lost.
    Type: Application
    Filed: August 10, 2005
    Publication date: February 23, 2006
    Applicant: Microsoft Corporation
    Inventors: Malcolm Lockhart, D. Grimes, Ranjiv Sharma, Neal Musselwhite