Oura filed a fresh lawsuit accusing Ultrahuman’s Ring Pro of infringing two of its patents, a move that could reshape the competitive dynamics of the smart‑ring market.

The Finnish company claims the Ring Pro copies core sensor and data‑processing technologies that Oura patented years ago. Ultrahuman has not yet responded publicly, but the filing re‑opens a legal battle that began wi…

Oura’s complaint zeroes in on two specific patents covering the way a ring measures heart‑rate variability and translates that signal into sleep‑stage insights. Those patents underpin Oura’s claim to a premium segment…

For developers, the lawsuit is a warning shot. Wearable startups often iterate quickly, but the legal infrastructure around biometric patents is catching up. The Oura‑Ultrahuman clash illustrates how a single infringe…