Tech
Oura sues rival Ultrahuman again, threatening its U.S. smart ring comeback
Readthrough summary
Smart-ring maker Oura has sued Ultrahuman again in federal court in Texas, claiming its redesigned Ring Pro infringes two patents covering design, battery and sensors. Oura wants damages and a permanent ban on sales, just months after the Ring Pro got a favorable customs ruling that let Ultrahuman back into the U.S. following an earlier import ban.
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