Oura sues Plano factory and Ultrahuman to halt Ring Pro sales in Texas

Oura has filed a patent infringement lawsuit in federal court in Texas, naming SVTronics and Ultrahuman as defendants. The suit targets the Ring Pro, a smart ring Ultrahuman launched after a previous product was barred from US sales. Oura claims the new device violates two of its patents related to internal components and design.

The company is seeking monetary damages and a court order to stop Ultrahuman from selling the Ring Pro in the United States. One of the patents cited in the complaint, number 12,769,363, was granted only two days before the filing. That patent covers a smart ring housing, battery, and specific internal parts. Oura argues the Ring Pro still uses these patented innovations despite a recent redesign.

This legal action follows a dispute from last year involving Ultrahuman's earlier model, the Ring Air. The US International Trade Commission ruled that the Ring Air infringed several Oura patents. That decision led to a ban on US sales of the Ring Air, though the device remains available in Europe. Ultrahuman subsequently redesigned the product, creating the Ring Pro, which received approval from US Customs and Border Protection earlier this year.

Oura disputes the effectiveness of that redesign. In a blog post, the Finland-based company stated that Ultrahuman claimed the new version no longer infringed their patents, a claim Oura called false. The company wrote that the Ring Pro continues to incorporate many of its patented innovations. SVTronics, a manufacturer in Plano, Texas, builds the US version of the Ring Pro under Ultrahuman's direction.

Ultrahuman, which is based in India, said it will contest the lawsuit. A spokesperson told Engadget that the redesign has already undergone independent review in the United States. Customs and Border Protection concluded in an earlier proceeding that the Ring Pro did not infringe the specific patent considered at that time. The spokesperson noted that Oura is now asserting different patents, including the one issued just two days before the suit was filed.

The Ring Pro remains on sale in the US market. This case adds to a period of intense legal scrutiny for Oura. The company recently announced a partnership with the US military that utilizes a Palantir hosting environment. It is also engaged in a prolonged patent battle with Samsung, a dispute that began in 2024 when Samsung preemptively sued Oura over the Galaxy Ring.