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.Arm, based in the UK,

Arm has taken its feud with Qualcomm to the next level, two years after filing a lawsuit against its former close partner. According to Bloomberg, the British semiconductor company has canceled the architecture license allowing Qualcomm to use its intellectual property and standards for chip design.

Chip firm Arm is cancelling an architectural license agreement that allows Qualcomm to use its intellectual property to design chips, a person familiar with the matter said, amid an ongoing legal battle between the two companies.