In one of his typically brief opinions, Justice Clarence Thomas of the US Supreme Court today wrote for a unanimous Court striking down a generic software patent using a long-known loophole in the patent system for protecting an abstract idea simply by linking it to implementation on a computer.

The case, Alice Corp. v. CLS Bank Int., is one of the relatively few software patent-related cases the court has ever heard, and anti-software patent advocates are, as a result, unlikely to come away from the decision fully satisfied.

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