The U.S. Supreme Court took a step today towards limiting patent infringement cases, at least ones involving "method" patents (i.e., ones that describe a process rather than a device, design, or other patentable subject matter).

Kinds of infringement

Patent infringement may take different forms:

• "Direct" infringement under 35 U.S.C. 271(a).
• "Inducement" of infringement under

…