Published at LXer:

What kinds of software—if any—deserve a patent?It's a basic question, and one that many thought would be resolved by now, especially since the issue came up in the US Supreme Court's 2010 Bilski decision. But Bilski left the legal landscape more confusing and fractured. This was illustrated in dramatic fashion last year, when the nation's top patent court, the US Court of Appeals for the Federal Circuit, practically split apart at the seams trying to decide if four patents on financial software held up. The Alice Corp. v. CLS Bank case resulted in ten judges writing seven different opinions and resolving nothing.

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