Oura Files New Patent Lawsuit Against Ultrahuman, Challenging Ring Pro Sales in U.S.

Smart ring manufacturer Oura has initiated another patent infringement lawsuit against Indian competitor Ultrahuman, seeking to halt U.S. sales of the recently launched Ring Pro just months after the redesigned device re-entered the American market following an import ban. The complaint marks the latest escalation in a series of intellectual property disputes Oura has pursued against rival smart ring makers, including Samsung and RingConn.

Filed Thursday in a Texas federal court, the complaint alleges that Ultrahuman’s Ring Pro violates two Oura patents covering the device’s design and internal architecture, specifically its battery configuration and sensor integration. Oura is pursuing monetary damages and a permanent injunction to prevent further sales of the product.

Ultrahuman’s redesigned Ring Pro debuted in February and secured a favorable ruling from U.S. Customs and Border Protection in March, clearing the way for the Bengaluru-based startup’s return to the U.S. market. That decision reversed an import ban on the company’s previous Ring Air model, which took effect after Oura prevailed in a patent infringement case before the International Trade Commission (ITC) in August 2024.

“Ultrahuman has a history of copying Oura’s innovations, as demonstrated by the 2024 ITC ruling against the company,” an Oura spokesperson stated. “Ultrahuman introduced a redesigned ring but failed to address continued infringement of Oura’s patents, seeking instead to capitalize on our innovation and the market leadership we have built.”

Oura contends that the Customs ruling addressed only the patent at issue in the earlier dispute, not the two patents cited in the new lawsuit: D804,471 and 12,769,363. “To protect its patent rights, Oura is now forced to file this complaint of patent infringement,” the company said in its filing.

One of those patents, 12,769,363, was issued to Oura on October 20—just two days before the lawsuit was filed. It covers a smart ring design incorporating a curved battery, circuit board, magnets, and sensors within the device’s internal structure.

The complaint also names Texas-based electronics manufacturer SVTronics as a defendant. According to the filing, SVTronics produces the Ring Pro at a facility in Plano, Texas, allegedly under Ultrahuman’s direction and control. Both companies are accused of infringing Oura’s patents through the manufacture, importation, and sale of the device in the United States.

The legal conflict dates back to 2023, when Oura first sued Ultrahuman over the Ring Air, the product that established the Indian startup’s U.S. presence. A separate ITC case filed by Oura in 2024 resulted in the import ban enforced last year.

Ultrahuman is not the only competitor facing legal pressure from Oura. The company has also pursued patent claims against Samsung, RingConn, Circular, and Zepp Health. Several of those disputes have concluded with licensing agreements; RingConn and Circular agreed to pay royalties to continue selling their products.

The litigation coincides with continued growth in the smart ring sector. Research firm IDC projects global shipments will increase 12.8% this year to 4.9 million units, reaching approximately 6.3 million by 2030. While Oura remains a dominant player, Ultrahuman represents a growing competitive threat.

The lawsuit follows Oura’s recent decision to shelve a planned $2.2 billion initial public offering, citing market uncertainty. The company has continued expanding its feature set, most recently introducing new fitness metrics designed to help users assess how workouts affect cardiovascular health.

In September, Ultrahuman raised $70 million from investors including Qualcomm Ventures and Labcorp, valuing the startup at roughly $365 million. The company is also collaborating with Qualcomm on a next-generation smart ring capable of running more software on-device, aiming to expand beyond health and fitness tracking into areas such as AI-driven interactions and gaming.

Ultrahuman did not respond to a request for comment.

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