Oura Files New Suit Over Ring Pro, Citing Patent Granted Two Days Prior

Oura has filed a new lawsuit in a federal court in Texas to block US sales of the Ultrahuman Ring Pro. The complaint argues that the wearable device infringes on two specific Oura patents related to its design and internal components. Oura is seeking monetary damages and an injunction to stop the sale of the product in the United States.

The legal dispute began last year when Oura won a case against Ultrahuman over the Ring Air. A US International Trade Commission ruling found that the Ring Air violated several Oura patents, leading to a ban on its sale in the US market. The product continues to be available in Europe and other regions. Following that loss, Ultrahuman redesigned its hardware for the US market.

Ultrahuman, based in India, introduced the Ring Pro with changes intended to avoid the previous intellectual property issues. The redesigned model received approval from US Customs and Border Protection earlier this year. That agency concluded the new ring did not infringe on the specific patent under review at that time. However, Oura disputes that the changes were sufficient to protect its rights.

In a blog post, Oura stated that the claim of non-infringement is false. The company wrote that the new ring still incorporates many of its patented innovations. Oura noted that the device continues to infringe its intellectual property despite the modifications made by Ultrahuman.

One of the patents cited in the new suit, number 12,769,363, was granted just two days before the complaint was filed. TechCrunch reported on this timing. The patent broadly covers a smart ring design that includes a housing, a battery, and specific internal components. Oura also named SVTronics as a defendant in the lawsuit. SVTronics is a company in Plano, Texas, that builds the US version of the Ring Pro under Ultrahuman's direction.

Ultrahuman has stated it will contest the action and that the Ring Pro remains on sale in the US. A spokesperson told Engadget that the redesign has already undergone independent review in the United States. The company pointed out that Customs and Border Protection cleared the device earlier. The spokesperson added that Oura chose to assert different patents, including the one issued just before the suit, and that Ultrahuman will defend its position vigorously.

This case adds to a period of increased legal activity for Oura. The company recently announced a partnership with the US military that uses a Palantir hosting environment. It is also engaged in a prolonged patent fight with Samsung. Samsung sued Oura in 2024 over the Galaxy Ring, and Oura later filed a counter-suit. As of this summer, that dispute remained unresolved.