Patents by Inventor Li-qian Liu

Li-qian Liu 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).

  • Software deactivation based on a deactivation time period
    Patent number: 8479307
    Abstract: A method, an apparatus and a system perform software deactivation based on a deactivation time period. In some embodiments, a method includes receiving a communication from a first client machine to deactivate a license of a software product that was previously activated on the first client machine. The method also includes determining a specified time period of deactivation. The method includes deactivating the license of the software product from the first client machine responsive to a determination that the license was previously activated on the first client machine during the specified time period of deactivation.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: July 2, 2013
    Assignee: Adobe Systems Incorporated
    Inventors: Xuejun Xu, Katherine Koch Nadell, Li-qian Liu, Nobuo Griffin, Vivek Misra, Shyam Sunder Vijay
  • Software deactivation based on a deactivation time period
    Patent number: 7900246
    Abstract: A method, an apparatus and a system perform software deactivation based on a deactivation time period. In some embodiments, a method includes receiving a communication from a first client machine to deactivate a license of a software product that was previously activated on the first client machine. The method also includes determining a specified time period of deactivation. The method includes deactivating the license of the software product from the first client machine responsive to a determination that the license was previously activated on the first client machine during the specified time period of deactivation.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: March 1, 2011
    Assignee: Adobe Systems Incorporated
    Inventors: Xuejun Xu, Katherine Koch Nadell, Li-qian Liu, Nobuo Griffin, Vivek Misra, Shyam Sunder Vijay
  • Single binary software license distribution
    Patent number: 7831517
    Abstract: A system receives a serial number for software to be installed on a computer system and decodes the serial number to identify a license type associated with the software. The system obtains a license configuration corresponding to the license type associated with the software and communicates with a licensing server based on the license configuration for production of an authorization code to allow operation of the software on a computer system. The system receives an authorization code from the licensing server allowing operation of the software on the computer system.
    Type: Grant
    Filed: October 24, 2006
    Date of Patent: November 9, 2010
    Assignee: Adobe Systems Incorporated
    Inventors: Shyam Sunder Vijay, Digby Grant Horner, Xuejun Xu, Li-qian Liu