In a high-stakes trial unfolding in US federal court in Delaware, former Apple executive Gerard Williams III took the stand to address a crucial question: Who

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.

Qualcomm Inc.’s chief executive officer told a jury that its business suffered when customers were misled by computer-chip designer Arm Holdings Plc about the companies’ licensing agreement for chip technology vital to the electronics ecosystem.

By Tom Hals and Max A. Cherney WILMINGTON, Delaware (Reuters) - 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,

Arm's legal dispute with Qualcomm 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.