Metso Minerals, Inc. v. Powerscreen International, No. 11-1572 (Fed. Cir. May 14, 2013)

From the Opinion

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Appellants Powerscreen International Distribution, Ltd., Powerscreen New York, Inc., and Emerald Equi p- ment Systems, Inc. (collectively “Powerscreen”), and Terex Corporation (“Terex”) appeal from a judgment of the United States District Court for the Eastern District of New York. That judgment was based on a jury verdict that Powerscreen had infringed U. S. Patent No. 5,577,618 (“the ’618 Patent”) owned by appellee Metso Minerals, Inc. (“Metso”), and its findin g that the asserted claims would not have been obvious.