David A. Wheeler says, “The US Court of Appeals for the Federal Circuit in Washington, DC just heard arguments in the Bilski case, where the appellant (Bilski) is arguing that a completely mental process should get a patent. The fact that this was even entertained demonstrates why the patent system has truly descended into new levels of madness. At least the PTO rejected the application.”
Wheeler goes on to explain why [patents on information is lunacy](http://www.dwheeler.com/blog/2008/05/09#bilski-information-is-physical)