Rambus Is Dealt Patent Setback

A U.S. appeals court dealt a blow to Rambus Inc.–and its share price–as it vacated the chip technology company’s win in a patent case against Hynix Semiconductor Inc.

In addition, the U.S. Court of Appeals for the Federal Circuit ordered the trial court to again look at whether Rambus wrongly destroyed documents in the Hynix case.

In a separate case involving Micron Inc., the appeals court determined Rambus had wrongly destroyed documents and ordered the trial court to examine again whether that destruction justifies dismissing Rambus’s patent claims against Micron. Micron initially won a dismissal because the trial court said Rambus’s claims were unenforceable because of the document destruction.

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