Red Hat and Rackspace face down a patent troll

Red Hat and Rackspace Hosting have announced that they have won the dismissal of a patent suit by Uniloc USA. Uniloc was asserting patent #5,892,697, which relates to the handling of floating-point numbers. "In dismissing the case, Chief Judge Leonard Davis found that Uniloc's claim was unpatentable under Supreme Court case law that prohibits the patenting of mathematical algorithms. This is the first reported instance in which the Eastern District of Texas has granted an early motion to dismiss finding a patent invalid because it claimed unpatentable subject matter."

Update: see Groklaw for analysis and the text of the decision.

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