Ultrahuman Sues Oura in Delhi High Court Over Smart Ring Patents


Indian health-tech startup Ultrahuman has filed a lawsuit against Finnish wearable maker Oura in the Delhi High Court, escalating the global dispute over smart ring patents. The move comes months after Oura pursued legal action against Ultrahuman in the United States.

Counterattack After US Setback

Oura first sued Ultrahuman in Texas in late 2023, alleging patent infringement and unfair competition. The Finnish company claimed that Ultrahuman copied the design and internal architecture of its Oura Ring, including sensors, battery placement, and overall housing structure.

In April 2025, the US International Trade Commission (ITC) delivered an initial ruling in Oura’s favor, finding that Ultrahuman and Chinese rival RingConn had violated several Oura patents. This raised the possibility of an import ban on Ultrahuman’s smart rings in the US market (Economic Times, Wareable).

Ultrahuman, however, rejected the ruling and pointed out that the US Patent Trial and Appeal Board (PTAB) had already questioned the validity of at least one Oura patent.

Delhi High Court Battle

On August 22, 2025, Ultrahuman struck back by filing its own patent infringement case against Oura in Delhi. The company argued that Oura is misusing patents—particularly those acquired from Motiv, a US wearable company—to suppress competition in India.

Ultrahuman accused Oura of attempting to “weaponize” intellectual property rights in order to restrict fair competition in the fast-growing smart ring market.

Growing Market, Rising Conflicts

Smart rings are emerging as a major segment in wearable technology, offering health tracking, sleep monitoring, and fitness insights in compact form factors. With the market expected to expand rapidly, companies are fiercely defending their intellectual property portfolios.

Oura, which popularized the category with its Oura Ring, has been aggressively protecting its patents against rivals. Ultrahuman, on the other hand, has positioned itself as an Indian challenger brand with a growing global presence.

What Lies Ahead

The Delhi High Court case adds a new front to the ongoing global battle. If the court sides with Ultrahuman, it could limit Oura’s ability to enforce its patents in India—one of the fastest-growing markets for wearables.

Meanwhile, the ITC’s final ruling in the US, expected later this year, could determine whether Ultrahuman faces restrictions in exporting its smart rings to America.

The legal fight highlights how intellectual property disputes are shaping the future of wearable tech and could determine which brands dominate the global smart ring industry.

Delhi Court Orders ₹290 Crore Security in Patent Battle

In a landmark development in India’s intellectual property (IP) litigation landscape, the Delhi High Court has directed South Korean telecom equipment maker Ace Technologies Corp. to deposit ₹290 crore as interim security in an ongoing patent infringement suit filed by Canadian company Communication Components Antenna Inc. (CCA).

The single-judge bench of Justice Saurabh Banerjee issued the order citing the need to secure the plaintiff’s interests in the absence of any mutual legal enforcement treaty between India and South Korea.

Background of the Dispute

The legal battle stems from allegations by CCA that Ace Technologies unlawfully manufactured and supplied advanced beamforming antenna systems to Reliance Jio Infocomm Ltd, violating CCA’s Indian patent covering next-generation multi-beam antenna technologies. These patented systems are critical for optimizing signal strength and reducing interference in mobile networks.

CCA claims its proprietary designs were copied by Ace and sold on a large scale to Jio, thereby infringing on its intellectual property. The plaintiff is seeking ₹1,160 crore in damages.

Court’s Observations

Justice Banerjee relied on earlier court findings and observed that a prima facie case of infringement had already been made in earlier hearings and upheld by the Division Bench and the Supreme Court of India. The court noted that Ace’s financial health had deteriorated, with a 65% drop in market capitalization, and it had no significant presence or assets in India.

These concerns led the court to invoke Section 151 of the Code of Civil Procedure, granting it inherent powers to pass any orders necessary to serve the ends of justice. The ₹290 crore deposit is in addition to the previously secured ₹75 crore, bringing the total security amount to ₹365 crore, reportedly the highest ever in an Indian patent lawsuit.

Patent at the Heart of the Case

CCA’s patent relates to beamforming antenna technology, used in cellular base stations for targeted signal delivery. The company alleges Ace’s antennas replicate these patented designs, offering similar functionality and configurations, thereby infringing on their exclusive rights.

Next Phase of the Case

The Delhi High Court has directed the parties to proceed to the recording of evidence, marking the next critical stage of the trial. The court emphasized that this financial security was crucial to ensure that the plaintiff’s claim does not become unenforceable in the future due to the defendant’s foreign status and lack of assets in India.

This article is based on publicly available information and court documents regarding the Delhi High Court’s proceedings in the patent infringement case between Communication Components Antenna Inc. and Ace Technologies Corp. The details presented are for informational and journalistic purposes only and do not constitute legal advice or opinion. Readers are encouraged to consult official court records or legal experts for more specific interpretations.