Attorneys for Arm , and Qualcomm grilled a former Apple executive on Tuesday about a key question for the future of the chip industry: Who owns the intellectual property built on top of Arm's computing architecture?

Qualcomm on Friday won a trial in a dispute with Arm Holdings over allegations it violated terms of its architecture license agreement (ALA) and technology license agreement (TLA) by taking over Nuvia and using its IP in its Snapdragon X processors for client PCs.

Lawyers for Arm Holdings and Qualcomm are set to make closing arguments on Friday in a case that could upend Qualcomm's push into the PC market with a chip meant to rival Apple and Intel on speed. An eight-person jury in a U.