Method Madness: Patenting Financial Inventions After 'State Street Bank'
Robert R. Sachs
March 15, 1999
In July 1998, the U.S. Court of Appeals for the Federal Circuit,in State Street Bank & Trust Co. v. Signature Financial Group Inc., 149 F.3d 1368 (Fed. Cir. 1998), held patentable Signature's mutual-fund system, overturning a legalistic framework.