Qualcomm suing Apple over use of mobile tech in iPhone

San Francisco

QUALCOMM Inc is suing Apple Inc for patent infringement, the latest volley in an increasingly bitter legal battle over whether Apple should pay for Qualcomm technology used in the iPhone.

The chipmaker claims that Apple infringes six patents covering various aspects of mobile phone technology. Qualcomm is also asking the US International Trade Commission in Washington to stop versions of the iPhone that aren't built with its chips from entering the country.