The patent also contains a method claim, but it “recites a process of taking two data sets and combining them into a single data set,” the judges noted. “Without additional limitations, a process that employs mathematical algorithms to manipulate existing information to generate additional information is not patent eligible,” wrote the judges.

The language used seems like a fairly broad application of the new Section 101 law. If the logic is used by other appeals and district court judges, it suggests that the results from Alice v. CLS Bank could invalidate a wide range of software-based patents.

via Biggest “patent troll” slapped down hard by appeals court | Ars Technica.