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Arm to Appeal Court Ruling Upholding Qualcomm’s Victory in Licensing Dispute

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Arm announced on Tuesday that it will appeal a U.S. federal court decision that upheld Qualcomm’s jury victory in a long-running dispute over processor licensing rights, marking the latest escalation in a case with major implications for the semiconductor industry.

The dispute centers on central processor units (CPUs) designed by Qualcomm’s subsidiary Nuvia, which Arm claimed were produced using its technology without proper authorization. In 2023, a Delaware federal jury ruled that Qualcomm’s CPUs were properly licensed under an existing agreement with Arm, handing a key win to the U.S. chipmaker.

The jury sided with Qualcomm on two of three counts, while deadlocking on the third, leading Judge Maryellen Noreika to declare a mistrial on that issue. Arm later sought to have the favorable verdicts for Qualcomm overturned or to secure a new trial, but the judge rejected both requests.

“Arm remains confident in its position in its ongoing dispute with Qualcomm and will immediately file an appeal seeking to overturn the judgment,” the British chip designer said in a statement.

Qualcomm welcomed the decision, framing it as a validation of its innovation rights.

“Our right to innovate prevailed in this case, and we hope Arm will return to fair and competitive practices in dealing with the Arm ecosystem,” said Ann Chaplin, Qualcomm’s general counsel.

The ruling underscores tensions between Arm’s new licensing model and major semiconductor firms that depend on its architecture. Arm provides fundamental chip technology used in processors made by Qualcomm, Apple, and MediaTek, which power billions of smartphones and connected devices worldwide.

The appeal sets the stage for a closely watched legal battle that could influence how chipmakers access and use Arm’s core intellectual property in future CPU designs.

Jury Deliberates in Arm-Qualcomm Trial Following Closing Arguments

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The high-stakes license dispute between U.K.-based Arm Holdings and U.S. chipmaker Qualcomm has entered jury deliberations after closing arguments were presented on Thursday in a Delaware federal court. The case hinges on whether Qualcomm and Nuvia, a startup it acquired for $1.4 billion in 2021, violated Arm’s intellectual property license agreements.

The outcome of the trial could significantly impact Qualcomm’s expansion into the PC market, where it seeks to compete with Apple and Intel with its high-performance chips designed for AI-driven laptops.

Closing Arguments

Qualcomm’s legal team argued that neither Qualcomm nor Nuvia breached their contract with Arm, accusing the British company of using the lawsuit as leverage to exert control over smartphone chipmakers. Qualcomm attorney Karen Dunn warned the jury that a ruling in Arm’s favor could set a dangerous precedent, forcing Qualcomm to destroy its recently launched chips and threatening similar licensing agreements with other partners.

“You can bet the world is watching here,” Dunn emphasized, framing Arm’s actions as an overreach intended to stifle competition.

Arm’s attorney Daralyn Durie, however, dismissed these claims as irrelevant distractions, urging jurors to focus solely on whether Qualcomm and Nuvia violated their contractual obligations. Durie argued that Arm lawfully terminated its agreement with Nuvia in 2022 after finding the startup in breach, thereby requiring Nuvia to destroy technology based on Arm’s intellectual property.

“The decision to go ahead and use all this stuff without a license, that was their choice,” Durie stated, asserting that Qualcomm knowingly took a risky path.

Key Points of Contention

The dispute revolves around the termination of Nuvia’s license and its implications for Qualcomm’s chip designs. Qualcomm maintains that the Nuvia-developed technology at issue was created independently from Arm’s IP, while Arm claims otherwise.

Arm attorneys contend that Qualcomm aimed to save up to $1.4 billion annually by leveraging Nuvia’s designs under a less expensive licensing structure. Qualcomm countered by alleging Arm misled it into disbanding its internal design team, thereby increasing reliance on Arm’s technology before raising royalty rates by as much as 400%.

Additionally, Qualcomm cited internal Arm documents that it claims reveal plans to enter the chipmaking business, a move Qualcomm says undermines their longstanding partnership. Arm CEO Rene Haas denied these allegations during the trial.

Jury Deliberations

The jury deliberated for three and a half hours on Thursday but did not reach a verdict. Deliberations will resume Friday morning.

The trial, which began Monday, has broader implications for the semiconductor industry and Arm’s business model. Arm has characterized Qualcomm’s actions as an unprecedented violation of licensing norms that could disrupt its established practices of licensing technology to chipmakers globally.

The case underscores the growing tensions between major players in the semiconductor industry as competition intensifies in emerging markets like AI and advanced computing.

 

Arm and Qualcomm Clash Over Chip Design Ownership in U.S. Court Trial

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In a pivotal U.S. federal court trial this week, Arm and Qualcomm are locked in a high-stakes legal battle over the ownership of intellectual property (IP) related to chip designs based on Arm’s architecture. The dispute, taking place in Delaware, is critical for Qualcomm’s ambitions in the laptop market, where it is supporting partners like Microsoft to regain ground lost to Apple after the company introduced its custom chips.

The Core of the Dispute

At the heart of the legal conflict is who owns the intellectual property built on top of Arm’s computing architecture. Arm’s architecture competes with Intel’s and is widely used in smartphones, laptops, and data centers. While major companies like Apple design their own cores based on Arm’s architecture, Arm also provides off-the-shelf core designs for smaller firms like MediaTek. The crux of the case lies in whether Nuvia, a company acquired by Qualcomm for $1.4 billion in 2021, had the right to transfer its computing core designs to Qualcomm.

Key Legal Testimony

The companies disagree on whether Nuvia’s core designs, created by Gerard Williams—former Apple engineer and Nuvia founder—are derivatives of Arm’s architecture. Arm’s attorneys argue that the licensing agreement covers Arm technology, including “derivatives” and “modifications” made from it. During the trial, Arm’s attorney, Daralyn Durie, grilled Williams on the contractual language, asking him to acknowledge that Nuvia’s work was a derivative of Arm’s technology. Williams, however, denied this interpretation, stating, “I wouldn’t say that, but I’m not a legal expert.”

Impact on Qualcomm’s Plans

Qualcomm’s attorneys, meanwhile, emphasized how minimal Arm’s technology was in Nuvia’s final chip designs. Williams estimated that less than 1% of Nuvia’s final designs contained Arm’s technology. This assertion could significantly impact Qualcomm’s ongoing business strategy, particularly as the company seeks to expand into laptops, a market currently dominated by Apple’s custom chips. Qualcomm currently pays Arm approximately $300 million annually for its architecture, but evidence introduced at trial suggested that Arm executives believed they were missing out on $50 million annually due to Qualcomm’s acquisition of Nuvia.

Next Steps in the Trial

The trial could conclude with a jury verdict as soon as this week. Qualcomm’s CEO, Cristiano Amon, is also expected to testify, which could further influence the outcome of the case. The final decision may have significant ramifications for the future of chip design, especially in the rapidly evolving laptop and mobile markets.