Page last updated at 17:43 GMT, Tuesday, 29 December 2009

Nokia says most Apple products violate its patents

Nokia allege that Apple has infringed many of its patents

Nokia has ramped up its legal fight against Apple, arguing that almost all of its products infringe Nokia patents.

Nokia, the world's largest phone maker, filed its new complaint with the US International Trade Commission (ITC).

The Finnish phone maker alleges that Apple is using patented technologies to "create key features in its products", including iPods and iPhones.

In October Nokia sued Apple, saying that the company's popular touchscreen iPhone infringed 10 of its patents.

Apple told the BBC that it would not comment on Nokia's latest legal move.

However, the US firm recently countered by filing its own lawsuit against Nokia, saying the phone maker had copied certain aspects of the iPhone and infringed 13 of its patents.

The new complaint to the ITC relates to seven patents related to "user interface, as well as camera, antenna and power management technologies".

Nokia told Reuters that the firm expected the ITC to decide whether to pursue the case in around 30 days.

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