Apple’s legal battle with Qualcomm is getting even worse

Apple is currently locked in a bitter legal battle with Qualcomm, one of the major chip suppliers for the iPhone. The case relates to the royalties Qualcomm charges for the use of its patents; Apple claims they're unfairly pricey, and has stopped paying Qualcomm for the time being. Qualcomm, as you can imagine, isn't thrilled about this.
In the latest development, Apple has argued in a court filing that Qualcomm's business model is illegal and involves licensing patents that aren't even valid.As