Nokia, the world's biggest mobile phone maker, opened a new front in its battle with Apple yesterday by filing a lawsuit claiming that its rival's flagship iPhone infringed the Finnish company's patents.
The move sets the stage for a court battle between the industry leader and an upstart US rival whose iPhone is transforming the competitive landscape.
Smartphones are among the hottest sectors in consumer technology, as the mobile communications and computing industries converge to create a new category of devices.
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