Sega Corporation's Sonic the Hedgehog franchise will be exclusive to Nintendo's Wii U home console and Nintendo 3DS portable system. Nintendo Global President Satoru Iwata announced the details of a new partnership with SEGA during a new Nintendo Direct video announcement on May 17, 2013. Sonic Lost World is a new action platforming game, and more information about it will be announced before the E3 2013 video game trade show begins on June 11, 2013.

The United States Court of Appeals for the Federal Circuit upheld Nintendo's victory in a patent infringement case brought by Motiva, LLC against Nintendo at the International Trade Commission. The Court of Appeals agreed with the ITC that Motiva had failed to satisfy the agency's domestic industry requirement. The ITC had also ruled that Nintendo did not infringe Motiva's patents.

Nintendo Co. Ltd. reported consolidated and non-consolidated earnings results for the full year ended March 31, 2013. For the full year, on consolidated basis, the company reported net sales of ¥635,422 million compared to ¥647,652 million a year ago. Operating loss was ¥36,410 million compared to operating income of ¥37,320 million a year ago. Ordinary income was ¥10,482 million compared to ordinary loss of ¥60,863 million a year ago. Income before income taxes and minority interests was ¥10,197 million compared to loss before income taxes and minority interests of ¥60,877 million a year ago. Income before minority interests was ¥7,168 million compared to loss before minority interests of ¥43,217 million a year ago. Net income was ¥7,099 million or ¥55.52 per share compared to net income of ¥43,204 million or ¥337.86 per share a year ago. Net cash used in operating activities was ¥40,390 million compared to ¥94,955 million a year ago. Purchase of property, plant and equipment was ¥5,788 million compared to ¥19,979 million a year ago. Return on equity was 0.6% compared to negative return on equity of 3.5% a year ago. For the full year, on non-consolidated basis, the company reported net sales of ¥607,696 million compared to ¥531,709 million a year ago. Operating loss was ¥35,859 million compared to ¥34,702 million a year ago. Ordinary income was ¥23,038 million compared to ordinary loss of ¥56,665 million a year ago. Net income was ¥14,028 million or ¥109.70 per share compared to net income of ¥37,923 million or ¥296.56 per share a year ago. The company declared dividend of ¥100.00 per share for the full year ended March 31, 2013 compared to dividend of ¥100.00 per share for the full year ended March 31, 2012. The company expects to pay dividend of ¥260.00 per share for the full year ended March 31, 2014. For the full year ending March 31, 2014, the company expects consolidated net sales of ¥920,000 million, operating income of ¥100,000 million, ordinary income of ¥90,000 million and net income of ¥55,000 million or ¥430.10 per share.