A U.S. International Trade Commission judge found Nvidia violated...
A U.S. International Trade Commission judge found Nvidia violated three Rambus memory-related patents in a decision that could result in an import ban of some Nvidia graphics chips, Rambus said late Friday. Nvidia graphics ICs are used in PCs…
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sold by Hewlett-Packard, Dell and other companies. Judge Theodore Essex ruled Nvidia infringed three of five Rambus patents at the heart of a complaint filed with ITC in November 2008. The patents are “valid, enforceable and infringed,” Essex said. Nvidia is “disappointed” that three of the patents were found valid, General Counsel David Shannon said in a statement. The patents are being reexamined by the Patent and Trademark Office and will be brought before the ITC for a “full review” of Essex’s decision, Shannon said. Nvidia was one of many defendants in a case that also names HP, Asustek Computer, MSI Computer, Pine Technology Holdings and others. Rambus sued Nvidia in July 2008 in U.S. District Court, San Jose, Calif., alleging the chipmaker violated 17 patents granted between 2001 and 2007, according to court documents. Among these patents was one covering a method for operating a memory controller device granted in April 2007 and another for a memory device having a programmable register issued in June 2004. Nvidia responded filing an federal antitrust suit against Rambus in North Carolina in 2008.