Qualcomm and Arm face billion-dollar royalty trial over chip-testing tools in federal court

The current trial follows an earlier lawsuit Arm filed against Qualcomm in 2022, in which Qualcomm secured a key victory in 2024.
Qualcomm is a major supplier of chips for Android phones and is expanding into data-center chips, while Arm has also supplied chip-design technology to companies such as Nvidia.
Arm is owned by Japan’s SoftBank Group.
Qualcomm and Arm are heading back to Delaware federal court for a five-day trial over a dispute that could cost Arm billions in suspended royalty payments. Seeking Alpha reports that Qualcomm claims Arm withheld chip-testing tools and leaked confidential information about a threat to terminate a key license. The leak allegedly damaged Qualcomm's negotiations with Meta over chip supplies.
Qualcomm is seeking to pause royalty payments for up to five years — a remedy potentially worth billions. Judge Maryellen Noreika must first decide whether the contract even allows such a punishment. Arm denies any wrongdoing and argues that any harm to Qualcomm is speculative. The Economic Times notes the trial highlights growing tensions as Arm increasingly competes with the companies it once only supplied with chip-design technology.
Qualcomm's case rests on two main accusations. First, Trading View reports that Arm withheld chip-testing tools that Qualcomm was contractually entitled to receive under their licensing agreement. Second, Qualcomm claims Arm leaked a 2024 threat to terminate a critical license — damaging Qualcomm's position in high-stakes negotiations with Meta over supplying chips for data centers.
Arm pushes back on both counts. The company denies wrongdoing and frames any commercial harm as pure speculation. Arm also points out that Qualcomm has leaked confidential information about Arm itself. The judge must weigh these competing claims over five days in court, while also determining if the contract allows Qualcomm to stop paying royalties as punishment.
Beyond this trial, a separate court proceeding will examine whether Arm negotiated in good faith over Qualcomm's access to its next-generation chip technology. Their agreement runs through 2033, meaning this dispute could shape their relationship for years. The tension reflects a fundamental shift: Arm once only licensed designs to other companies. Now Arm competes directly with many of its long-time partners.
Qualcomm is a major supplier of chips for Android phones and is rapidly expanding into data-center chips — the exact market where Arm is also trying to grow. Arm's owner, Japan's SoftBank Group, has pushed the company to generate more revenue directly rather than just collect licensing fees from rivals.
This trial is a rematch. Arm filed its own lawsuit against Qualcomm back in 2022. Qualcomm won a key victory in that earlier case in 2024, giving it momentum heading into this new dispute. Both companies now face enormous financial stakes — royalty suspensions could drain billions from Arm's annual revenue, while a ruling against Qualcomm could force it to keep paying Arm while disputes simmer.
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