Unocal sues Valero for alleged infringement of RFG patents

A subsidiary of Unocal Corp. has sued Valero Energy Corp., San Antonio, for alleged infringement of its reformulated gasoline patents.Unocal is asking 5.75¢ for each gallon of gasoline produced by the alleged infringement, with the total to be tripled as punishment for "willful infringement."Unocal claimed, "Valero has said openly that it made fuels covered by Unocal's patents in complete disregard for Unocal's intellectual property rights. Unocal has repeatedly invited Valero to negotiate a licensing agreement, but Valero has refused to have any discussions."In its lawsuit filed in US District Court in Los Angeles, Unocal asked that the court force Valero to buy a license an...

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