1CD FREEDMAN.Software and Computer-Related Business-Method Inventions:Must Europ Adopt American patent Culture.International Journal of Law and Information Technology,2000,8,(3).
2Anatoli Kalpakidou.Business Method Patents.Should they survive in Europe.International Journal of Law and Information Technology,2005,13,(2).
3Josh Lerner.Where Does State Street Lead?A First Look at Finance Patents,1971 ～2000.Harvard Business School,Boston,Nber Workong Paper Series,2000.
4http://www.uspto.gov,Examination Guidelines for Computer-related Inventions,1996 ; Business Method Patents Initiative:An Action Plan;American Inventors Protection Act (AIPA) of 1999;American Business Methods White Paper,2000;Business Method Patents Improvement Act of 2000.
