After being sued by Oura, sensible ring maker Ultrahuman is suing proper again, alleging an identical violation.

Ultrahuman, which has related well being and health monitoring capabilities as its competitor, filed a patent infringement lawsuit towards Finland-based Oura in India’s Delhi Excessive Courtroom on Thursday.

“Oura has blatantly copied Ultrahuman’s superior mental property together with ladies’s well being options, circadian well being instruments, and glucose monitoring platform thereby benefiting from Ultrahuman’s funding in public well being with out a license to take action,” Ultrahuman alleged in a press release asserting the lawsuit.

It is the newest salvo within the authorized battle of the smart rings.

Oura sued Ultrahuman and RingConn for patent infringement within the U.S., saying the rivals copied key options equivalent to its curved battery to suit the ring form and superior sensors. Oura claims its opponents bought Oura rings to reverse engineer them and examine their internal workings. The U.S. Worldwide Commerce Fee (ITC) initially ruled in favor of Oura’s infringement claims, however a last resolution remains to be to return.

In response to the brand new go well with in India, an Oura spokesperson mentioned in a press release to Mashable, “Ultrahuman’s lawsuit in India has no advantage and is a blatant try and distract from their decisive U.S. defeat. The Worldwide Commerce Fee dominated unequivocally that Ultrahuman infringed on ŌURA’s mental property, blocking all of their sensible rings—and parts—from the U.S. market by way of exclusion and cease-and-desist orders.”

Earlier this yr, Ultrahuman argued that sure parts of its sensible ring have really been round for years, and Oura solely just lately secured the patent to tackle opponents. “This isn’t a dispute over years of secret R&D,” Ultrahuman said in a blog post in regards to the lawsuit. “It’s a few very current patent buy now being wielded to restrict the alternatives ring-wearers like you’ve…”

Ultrahuman’s lawsuit towards Oura facilities round a patent granted by the India Patent Workplace that the corporate says protects the distinctive sensible ring structure of its Ring AIR smart ring. It alleges that Oura’s Ring 4 infringes on this patent by copying these protected components and additional taking advantage of this with a subscription-based service.

“Corporations that replicate Ultrahuman’s breakthroughs solely to lock them behind necessary subscriptions are anti-innovation and anti-consumer,” the press launch continued.

UPDATE: Aug. 22, 2025, 2:06 p.m. EDT This story has been up to date with a press release from Oura.