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On Shaky Ground: The (Near) Future of Patents After Bilski

By Robert R. Sachs and Robert A. Hulse
November 21, 2008

Bernard Bilski did not intend to be a poster child for business method inventions. He filed his patent application more than a year before the Federal Circuit decided State Street Bank & Trust Co. v. Signature Financial Group, Inc., 149 F.3d 1368 (Fed. Cir. 1998), the decision that inspired a blizzard of business method patent applications. Bilski claimed a method of hedging commodity transactions by performing “transactions” between commodity providers, commodity consumers, and market participants who have counter-risk positions to the consumers. Bilski's patent claims are directed to one class of “business methods,” those pertaining to trading methods. The U.S. Patent and Trademark Office (“USPTO”) rejected Bilski's claims, as part of a larger overall policy shift to limit the scope of patentable subject matter. It was therefore no surprise that Bilski appealed to the Federal Circuit.

In re Bilski, ___ F.3d ___ (Fed. Cir. 2008), offered the Federal Circuit an opportunity to answer important questions about the scope of patentable subject matter. Superficially, the court did just that, setting forth a so-called “machine-or-transformation” rule as the “definitive test” for deciding whether a “process” claim is patentable subject matter under 35 U.S.C. '101. The court held that a process claim is patent-eligible if either: 1) it is tied to a particular machine or apparatus, or 2) it transforms a particular article into a different state or thing.

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