Court Says Unocal Didn’t Infringe Patent
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Unocal Corp., mired in a patent battle with five of the world’s biggest oil companies over clean-burning fuel, did not steal the idea from a smaller company, a federal appeals court said.
El Segundo-based Unocal was accused of infringing a patent for clean-burning fuel owned by inventor William Talbert and his Talbert Fuel Systems Patents Co. The U.S. Court of Appeals for the Federal Circuit on Tuesday upheld a lower court’s dismissal of the suit on grounds that Unocal’s technology has different characteristics.
Unocal shares fell 5 cents to $34.83 on the NYSE.
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