Two Rambus patents invalidated after ITC wins

"Two patents that chip designer Rambus (RMBS.O) used to win patent lawsuits against Nvidia Corp (NVDA.O), Hewlett-Packard (HPQ.N) and others have been declared invalid by the U.S. Patent and Trademark Office, according to legal documents."

Commission Affirms NVIDIA Violated Rambus Patents

The International Trade Commission has announced its findings in the NVIDIA/Rambus patent infringement lawsuit and it's not the sort of ruling Team Green would've preferred. The commission found NVIDIA to be in violation of three Rambus patents. The trade panel also granted an injunction Rambus had requested, which theoretically prevents NVIDIA and the various companies attached to the lawsuit (Asus, HP, Palit, and MSI among others) from selling products that contain the infringing IP. This last bit sounds more ominous than it actually is; there's a 60-day window before the injunction takes effect and NVIDIA believes it has other options.

Rambus wins Nvidia patent dispute

Rambus has scored a victory in its protracted legal battle with Nvidia. The US International Trade Commission ruled against Nvidia, declaring Rambus' patents valid and concluding Nvidia infringed three Rambus patents.

The patents were used in Nvidia's memory controllers, which were coupled with Nvidia GPUs and other processors.

Nvidia violated 3 patents

Rambus Inc., which designs memory chips, said Friday that an administrative judge for the U.S International Trade Commission has ruled that graphics chip maker Nvidia Corp. has violated three of its patents.

The initial determination of patent infringement may be reviewed. The judge also ruled that Nvidia did not violate two other patents.

Rambus first filed a patent complaint with the ITC in November 2008, requesting an investigation into Nvidia products. Rambus asked the ITC to stop the importing and sale of Nvidia products that it said infringed on nine of its patents.

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