Fed. Circ. Revives ArcelorMittal Patent In Infringement Suit

Law360, New York (November 30, 2012, 8:59 PM EST) -- The Federal Circuit on Friday overturned a jury verdict invalidating an ArcelorMittal SA patent on steel used in car making and ordered a new trial over its claims against AK Steel Corp.

A three-judge panel said a new trial was necessary because an error in the district court's claim construction precluded the jury from considering evidence related to the commercial success of ArcelorMittal's cold-rolled commercial steel products.

The additional evidence could have allowed ArcelorMittal to overcome the jury's determination that the asserted claims in its U.S....
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