The applicants (Bernard L. Bilski and Rand Warsaw) filed a patent application (on 10 April 1997) for a method of hedging risks in commodities trading. Such patent claims are often termed business method claims. […] Bilski’-s method claim was patent-ineligible because it did not “transform any article to a different state or thing.” […]
It has been widely reported that the Bilski decision will call into question the validity of many already issued business method patents. […]
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Via our Jason Ruspini