A123 Takes Lithium Battery Patent Spat To Fed. Circ.

Law360, New York (October 28, 2009, 3:41 PM EDT) -- Lithium ion battery maker A123 Systems Inc. is taking its challenge to a district court judge's decision not to reopen a case in which it sought to have two patents licensed to Hydro-Quebec declared invalid to the U.S. Court of Appeals for the Federal Circuit.

A123 filed its notice of appeal Tuesday in the U.S. District Court for the District of Massachusetts, taking aim at Judge Joseph L. Tauro's Sept. 28 decision denying the plaintiff's bid to reopen the case.

A123 filed the suit against Hydro-Quebec...
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