Bilski v. Kappos

The central legal question in Bilski v. Kappos is whether a method for hedging risk in the field of commodities trading qualifies as a patentable process under 35 U.S.C. § 101. The case specifically addresses the applicability of the 'machine-or-transformation' test as a standard for determining patentability.

The applicable rule established by the Supreme Court is that while the 'machine-or-transformation' test remains a useful tool for assessing patent eligibility, it is not the sole test. The Court reaffirmed that any process must also meet the criteria of being tied to a particular machine or apparatus, or transforming a particular article into a different state or thing.

In applying the rule to the facts of the case, the Court found that Bilski's claims did not meet the 'machine-or-transformation' test because they did not involve a specific machine or result in a transformation of physical materials. The Court noted that the methods described were abstract ideas, which are excluded from patent protection under § 101. Consequently, the Court emphasized that the mere implementation of a known business practice on a computer does not render it patentable.

Ultimately, the Supreme Court affirmed the judgment that Bilski's claims were not patentable, setting a precedent that abstract ideas are not patentable unless they are tied to a specific machine or transformed into a tangible item. This case has significant implications for the boundaries of patent eligibility, particularly in the realm of business methods and abstract concepts.