
What you need to know
- Ultrahuman has sued Oura in India, accusing the Oura Ring 4 of ripping off its patented smart ring tech.
- The dispute centers on sleep tracking, circadian tools, and women’s health features that Ultrahuman says it pioneered.
- Unlike Oura’s subscription-heavy model, Ultrahuman pushes “no paywall” health data and modular add-ons called PowerPlugs.