A more sensible idea would be to just disallow software patents and patents on business methods. Like in the European Union. Not patentable are: "discoveries,

A more sensible idea would be to just disallow software patents and patents on business methods. Like in the European Union. Not patentable are: "discoveries, scientific theories and mathematical methods; aesthetic creations; schemes, rules and methods for performing mental acts, playing games or doing business, and programs for computers; presentations of information."