[JURIST] The US Court of Appeals for the Federal Circuit [official website] on Friday ruled [opinion, PDF] that an abstract idea is not patentable simply because it is tied to a computer system. Analysts say the ruling could have severe implications [IDG News report] on software and business method patents. In the case, CLS Bank v. Alice Corporation, plaintiff Alice's four software patents, US Patent Numbers 5,970,479 (the '479 patent), 6,912,510 (the '510 patent), 7,149,720 (the '720 patent) and 7,725,375...

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