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?

Williams said that while his team started with Arm architecture, the Nuvia final designs included "one or less than one percent" of Arm technology. But he acknowledged that contract language could support Arm's version. To counter Arm's claims, Qualcomm's attorney stressed Nuvia's design independence of chips.

The chief executive of Arm on Monday downplayed the company's ambitions to become a chip supplier in its own right at a trial against Qualcomm, a major customer that pays Arm an estimated hundreds of millions of dollars per year.

Courts can be critical to resolving contract and intellectual property disputes like Arm vs Qualcomm. Tirias Research using Stable Diffusion. With testimony from additional expert

Arm Holdings and Qualcomm will face off in a U.S. District Court in Delaware today for the start of what's expected to be a week-long trial.