Patents by Inventor Lance Lian

Lance Lian 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: 12423704
    Abstract: Techniques are disclosed for detecting risk via a server system that receives, based on user activity at a device, an indication of a trigger event corresponding to a potential electronic communication. After receiving the trigger event indication and prior to receiving an indication of initiation of the electronic communication, the system executes a set of computations for the communication, including performing a multi-hop query to a graph database storing a graphical representation of a plurality of communications and storing results of the execution. In response to initiation of the electronic communication, the system retrieves, using information corresponding to entities involved in the electronic communication, one or more portions of the results of executing the set of computations the database. The system determines, based on the retrieved results, whether to approve the electronic communication.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: September 23, 2025
    Assignee: PayPal, Inc.
    Inventors: Lance Lian, Haoran Zhang, Jiaxin Fang, Junshi Guo, Pengshan Zhang, Xia Zhang, Yu Zhang
  • Publication number: 20240144277
    Abstract: Techniques are disclosed for detecting risk via a server system that receives, based on user activity at a device, an indication of a trigger event corresponding to a potential electronic communication. After receiving the trigger event indication and prior to receiving an indication of initiation of the electronic communication, the system executes a set of computations for the communication, including performing a multi-hop query to a graph database storing a graphical representation of a plurality of communications and storing results of the execution. In response to initiation of the electronic communication, the system retrieves, using information corresponding to entities involved in the electronic communication, one or more portions of the results of executing the set of computations the database. The system determines, based on the retrieved results, whether to approve the electronic communication.
    Type: Application
    Filed: November 29, 2022
    Publication date: May 2, 2024
    Inventors: Lance Lian, Haoran Zhang, Jiaxin Fang, Junshi Guo, Pengshan Zhang, Xia Zhang, Yu Zhang