After a year-and-a-half in the court system, Nintendo announced today that it won a patent infringement case at the International Trade Commission brought forth by Technology Properties Limited LLC, Phoenix Digital Solutions LLC and Patriot Scientific Corp.

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In July 2012, the three patent-licensing companies filed a complaint against Nintendo for infringing upon their high-performance, low-cost microprocessor patents allegedy used in the company's handheld systems. But the trade commission found that Nintendo didn't infringe on any of the patents with its 3DS and DSi systems."We are very pleased with the commission’s determination, which confirmed the judge’s finding that Nintendo’s products do not infringe the asserted patent,” said Richard Medway, vice president and deputy general counsel at Nintendo of America. “Nintendo’s track record demonstrates that we vigorously defend patent lawsuits, including cases in the ITC, when we believe we have not infringed another party’s patent."Last month, IGN reported on how Nintendo must forfeit a percentage of 3DS sales to Tomita Technologies due to a lawsuit regarding the 3D stereoscopic display technology. Nintendo pays 1.82 percent of the handheld system's wholesale price to Tomita.

Evan Campbell is a freelance news writer who's currently enthralled with Steel Diver: Sub Wars. Check out what he's saying on Twitter.