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.

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.