Rambus, the company famous for lawsuits has now filed a complaint with the ITC (International Trade Commission) alleging patent infringement by nVidia according to EE Times.

This complaint covers nine different patents ranging from DDR all the way up to GDDR3 and is asking for an Exclusion Order to bar the import, sale for importation or sale after importation of products that infringe these patents.

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The accused products include Nvidia products that incorporate DDR, DDR2, DDR3, LPDDR, GDDR, GDDR2, and GDDR3 memory controllers, including graphics processors, and media and communications processors, Rambus said.

"We believe this action is necessary given Nvidia's continued willful infringement of our patents," said Tom Lavelle, senior vice president and general counsel at Rambus, in a statement.