MRI Patent Suit Tests Bounds Of Williamson

Law360, Boston (August 18, 2016, 7:46 PM EDT) -- Toshiba, Brainlab and other companies that stand accused of infringing a now-expired patent for MRI imaging on Thursday asked a federal judge in Boston for the first time to extend the Federal Circuit's Williamson decision to a step-and-function claim.

The Williamson v. Citrix Online LLC decision in 2015 eliminated the strong presumption that a claim is not a means-and-function claim if it lacks the phrase "means for." A means-and-function claim and a step-and-function claim both come from the same statute, the MRI defendants told U.S. District Judge Richard G. Stearns on Thursday during a three-hour claim construction hearing, so the decision...

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