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.

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.

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

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'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.