Federal Circuit: Neomagic v. Trident Microsystems

NeoMagic v. Trident Microsystems (Fed. Cir. 2004) (04-1046)(NONPRECEDENTIAL).

NeoMagic sued Trident for infringement of its patent covering a graphics engine/memory integrated circuit (U.S. Patent No. 5,703,806). After construing the claims in a Markman hearing, the Delaware District Court dismissed the suit on summary judgment based, holding that the claims were not infringed as a matter of law. In a first appeal, the Federal Circuit remanded based on improper claim construction.

After a second summary judgment dismissal for noniningringement, the case appeared before the Federal Circuit again. This time, the Appellate Panel affirmed the dismissal, holding that the dismissal was proper because Trident’s products did not have a “second power supply” as recited in the claims.

Full Case PDF.