Windows on Arm PCs are closely tied to Qualcomm's Snapdragon processors, which will be overhauled with technology acquired from a company called Nuvia. But a suit by Arm against Nuvia throws a ...

Arm Holdings Plc is canceling a license that allowed longtime partner Qualcomm Inc. to use Arm intellectual property to design chips, escalating a legal dispute over vital smartphone technology.

Losing the suit against Arm would likely deal a huge blow to Qualcomm’s ambitions in the personal-computer market, where its plans to deploy Nuvia’s Arm-compatible CPU core IP as early as 2023 ...

In its suit, Arm is seeking the destruction of certain Nuvia designs, an injunction against trademark infringement, and compensation.

The legal case started with Qualcomm’s 2021 acquisition of Nuvia, designer of the Phoenix datacenter chip, which used Arm’s v8.7-A instruction set.