"Why, you may well ask, is the denial of patent to Bernie Bilski for a method of managing weather-related risk in commodities making the software open source community jump up in joy? A particularly happy lot is the lobby campaigning against software patents in India. So what’s the link? Although the Bilski claim for a patent for a method to manage weather-related risk through commodities trading is not related to software, it has come to embody the madness of business method patents that has gripped the US in the past decade. The turning point came in 1998 when the US Court of Appeals for the Federal Circuit, the nation’s top patent court, upheld the Signature Financial Groups’ claim for a patent on a data processing system for mutual funds. It was that ruling which opened the floodgates to business method patents, many of which were for processes as absurd as Amazon.com’s one-click to buy goods on the Internet (this was quashed later), prompting industry giants such as IBM and Sun Microsystems to call a halt to the madness."