Arm is suing chip-maker competitor Qualcomm and its subsidiary Nuvia over alleged trademark infringement and a breach of certain licencing agreements.

According to a court filing – first obtained by The Register -- Nuvia used licensed Arm technology to build its custom processor cores. Arm claims Qualcomm did not obtain the necessary permission to transfer and use the licences it granted to Nuvia.

Arm stated in its court filing that it wants certain Nuvia CPU designs to be destroyed, and to receive "fair compensation”.

Commenting on the filing, Arm released the following statement: “Arm is filing this claim to protect Arm, our partners, and the unparalleled ecosystem we have built together.

“Arm and its partners have invested billions of dollars to create industry-leading intellectual property.

“Because Qualcomm attempted to transfer Nuvia licenses without Arm’s consent, which is a standard restriction under Arm’s license agreements, Nuvia’s licenses terminated in March 2022.”

It added: “Arm was left with no choice other than to bring this claim against Qualcomm and Nuvia to protect our IP, our business, and to ensure customers are able to access valid Arm-based products.”

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