Oura, the Finnish health wearable startup, is suing one of its biggest rivals, claiming it copied its ring device and accessed proprietary information. The Oulu-based company, which makes the Oura Ring health tracking device and has raised more than €140 million, has filed legal action against Indian company Ultrahuman. In a lawsuit filed in a court in Texas in early September, Oura accuses Ultrahuman of violating its patents and accessing proprietary information through ex-Oura employees and investors to develop its competing smart ring product. Oura, which is valued at over €2 billion, has one million users of its ring and…
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