Patents by Inventor Roger E. Brill

Roger E. Brill 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).

  • Liquidity analysis system and method
    Patent number: 7912775
    Abstract: A liquidity analysis system and method are disclosed for monitoring, analyzing and reporting on liquidity generated in a market or in a market center. The reports generated by the liquidity engine may be used for many differing purposes, including analyzing the effectiveness of market makers, the proportionate re-distribution of market data fees or as the basis for a liquidity generation financial incentive program.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: March 22, 2011
    Assignee: Archipelago Holdings, Inc.
    Inventors: Roger E. Brill, Jennifer L. Drake