https://www.theregister.co.uk/2018/08/01/qualcomm_intel_modem_specs/

Qualcomm, as part of its patent battle against Apple, claims Intel went back on its word by failing to produce technical documents and code covering how its latest radio frequency components are being used in Apple's 2018 iPhones.

So the San Diego, California-based chip designer filed a motion in its home state to force Intel to hand over what it has supposedly agreed to provide.