Huawei Technologies Co. Ltd., Samsung Electronic Co. USA, Nintendo Co. Ltd. and others will have to go back to district court to face patent infringement claims on computer processor speed technology, but the patent owner still faces an uphill battle.
The U.S. Court of Appeals for the Federal Circuit ruled March 3 that the trial court made a mistake in interpreting the claim language in U.S. Patent No. 5,809,336, which improves microprocessor performance by allowing the system speed to change independently of the memory interface speed (Tech. Props. Ltd. LLC v. Huawei Techs. Co. Ltd., Fed. Cir., 16-1306, 3/3/17
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