Nokia Sues Apple for iPad For Five Patent Violations

Apple vs. NokiaNokia has sued Apple in the Federal District Court in the Western District of Wisconsin, accusing Apple of violating five “important” patents with the iPad. According to Nokia, the patents cover performance-enhancing techniques, methods that save physical space within devices, speech-enchancing technologies, and using “positional data in applications.”

“Nokia has been the leading developer of many key technologies in mobile devices” Paul Melin, General Manager, Patent Licensing at Nokia, said in a statement. “We have taken this step to protect the results of our pioneering development and to put an end to continued unlawful use of Nokia’s innovation.”

The iPad suit joins the legal battle between the two companies, with each alleging the other is violating a series of patents relating to smartphones. Today’s suit, however, brings the iPad into the fighting for the first time.

Shares in AAPL closed lower Friday, at $235.86, down $10.39 (-4.22%), on very heavy volume of 59.8 million shares trading hands.

Shares in Nokia (NOK) closed higher, at $10.75, up $0.09 (+0.84%), on heavy volume of 60.4 million shares trading hands.