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HELSINKI, Finland (AP) - Nokia Corp., the world's largest mobile phone maker, said Thursday it has filed a countersuit against Qualcomm Inc. in a patent infringement fight.
The companies have been disputing royalty payments since a 2001 agreement expired this year.
Qualcomm sued Nokia in a Wisconsin court on April 2. With its new action in the same court, Nokia said it does not believe its products infringe Qualcomm's patents, and it filed counter assertions claiming six Nokia patents were touched by Qualcomm chipsets. The company is seeking damages and an injunction against those chipsets.
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