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.

Arm and Qualcomm are battling over key intellectual property. The trial starts in a Delaware federal courtroom Monday.

Arm Holdings Plc’s legal dispute with Qualcomm Inc. is being argued before a federal jury in Delaware this week, pitting two of the world’s most influential chipmakers against each other in an intellectual property case that threatens to roil the technology industry.