Qualcomm and Apple are currently in a heated back and forth of legalities. Not long ago, Qualcomm sued Apple over unpaid patent loyalties that Apple allegedly refuses to pay for. The lawsuit in question even called for a temporary ban of all Apple products that use Qualcomm's patents, mostly related to performance and battery efficiency in software and hardware. In an interview with Fortune Qualcomm CEO Steve Mollenkopf outlines that the whole dispute boils down to a contract with terms that the other party refuses to meet, in this case, the terms are monetary (i.e. Qualcomm's royalties...
Source: http://www.gsmarena.com/qualcomm_expects_that_apple_will_likely_end_up_settling_in_latest_dispute_over_unpaid_royalties-news-26246.php