Nvidia and Samsung have accused each other of infringing patents used in mobile devices, with Nvidia first filing suit against Samsung and chipmaker Qualcomm in September.
Nvidia last month accused Samsung and Qualcomm of ripping off its graphics patents in devices such as the Galaxy Note Edge, Galaxy Note 4 and Galaxy S5 smartphones.
Apple just lost a $533 million patent case to Smartflash this week, and now Ericsson is likewise suing the company in a patent dispute.
The Santa Clara, Calif., company posts another strong quarter to end its fiscal year and hints at big gaming news early next month.
In a new suit with the US International Trade Commission, Samsung asks the agency to bar from the US dozens of Nvidia devices, graphics cards and processors.
The Korean electronics giant countersues Nvidia, and drags Nvidia customer Velocity Micro into the fight.
Creative Kingdoms had sued the company, saying the Wii U Remote used the same technology as its "magic wands," thus violating its patents.
The U.S. International Trade Commission says its ruling, which could result in a ban of some Samsung devices in the U.S., will come next week.
The chipmaker is accusing Samsung and Qualcomm of infringing its patents related to the company's core graphics technology.
A new program will soon require companies to prove they have well-established U.S. production, licensing, and research before being able to bring a patent case before the commission.