Two subscription-free smart rings were just banned in the US - here's what comes next
Nina Raemont/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Oura won a patent dispute with Ultrahuman and RingConn. The competitors infringed on form factor patents, the ITC ruled on Aug. 21. Ultrahuman and RingConn smart rings can no longer be sold in the US. Oura secured a final legal victory in its patent dispute with Ultrahuman and RingConn last week. The US International Trade Commission's ruling asserts that the two competing smart ring brands infri