Federal Circuit Remands DuPont Injunction Request

Law360, New York (May 14, 2008, 12:00 AM EDT) -- A patent battle between E.I. du Pont de Nemours & Co. and printing company MacDermid Inc. will rage on after the U.S. Court of Appeals for the Federal Circuit vacated and remanded a decision by the lower court to deny DuPont's request for a preliminary injunction.

The Federal Circuit said the district court had incorrectly determined that there was a substantial question of whether DuPont's claimed patent was valid based on an uncertainty over whether a non-provisional application was entitled to claim priority over a provisional...
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