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The week’s main development is a fresh patent suit from Oura against Ultrahuman, this time aimed at the redesigned Ring Pro that Ultrahuman launched to return to the US market after the Ring Air import ban. Oura is asking for damages and a permanent injunction, and one of the two patents it relies on was issued only two days before the complaint was filed.
Oura v Ultrahuman and SVTronics: new patent suit targets the Ring Pro
Ouraring Inc. has filed a patent infringement complaint against Ultrahuman Healthcare and SVTronics in the US District Court for the Eastern District of Texas. The suit was reported on 22 October 2026. SVTronics is a Texas electronics manufacturer that, according to the complaint, makes the Ring Pro at a facility in Plano under Ultrahuman’s direction. Oura alleges that the Ring Pro infringes US Patent No. D804,471, a design patent, and US Patent No. 12,769,363, which was issued on 20 October 2026 and is reported to cover a smart ring with a curved battery, a circuit board, magnets and sensors. Oura seeks damages and a permanent injunction barring sales of the ring.
The two companies have been in dispute since 2023. Oura’s earlier case at the US International Trade Commission led to an import ban on the Ring Air, which remains on sale outside the US. Ultrahuman launched the redesigned Ring Pro in February 2026 and obtained a favourable ruling from US Customs and Border Protection in March. Oura’s position, as reported, is that the customs ruling dealt only with the patent from the earlier dispute and not with the two patents now asserted. Ultrahuman’s chief executive, Mohit Kumar, has said the company will contest the claims, that no court order affects the Ring Pro and that the ring remains available to US customers. The case is at the complaint stage and no ruling has been made.
For athletes, nothing changes immediately: the Ring Pro is still on sale in the US and a permanent injunction could only follow a finding of infringement, which in a district court case typically takes well over a year. If Oura were to succeed, US buyers could lose access to a second Ultrahuman ring, which would narrow the choice of subscription-free smart rings. Owners of an existing Ring Pro would not ordinarily be affected by a sales injunction, although support and replacement units could become harder to obtain.
Evidence: Confirmed by two reports. Source: US District Court for the Eastern District of Texas, reported by Bloomberg Law, reported from around the web
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Last Updated on 27 October 2026 by tfk the5krunner
Small things I always use
- Garmin 90-degree charging adapter: Charges your Garmin from any USB-C cable. Essential when travelling. I use one.
- Body Glide: The blue anti-chafe stick swimmers and runners carry. I use it.
- Speedo earplugs: Fewer ear infections and no cold-water dizziness. I use them.
- Dryrobe Advance: My winter changing robe for open-water swims. I use one. A cheaper option is the AONYIYI changing robe.
- Maurten: Race fuel that stays easy on the stomach. I use them.
- Beet It Sport nitrate shots: Beetroot shots I take in the days before a race. I use them.
- Garmin charging puck: The quickest way to top up before a session. I use one.
- Injinji: Toe socks that stop rubbing, so you run more. I use them.
- Ultimate toe protectors: Stop black toenails on long runs. They work. I use them.
- Compressport R2 v2 calf sleeves: My calf sleeves of choice. I use them.
- Cellucor C4: My pre-workout before hard sessions.
- TPU tubes: Schwalbe Aerothan, Tubolito and Pirelli SmarTube. Light, tiny spares. I use all three.
- G8 insoles: Adjustable insoles that are good. I use them.
- Cycplus Cube: A 97g electric pump that gets a road tyre rideable in two minutes. I carry one. 5% off with code THE5KRUNNER.
Watches and sensors
- Polar H10: My daily driver for waking HRV.
- Polar Verity Sense: My backup arm-worn HR sensor.
- Nomad bedside charger: Charges my iPhone and Apple Watch overnight. I use it, and many of their bands.
- Train.Red: The best muscle oxygen sensor I’ve used.
- Tymewear: Accurate heart rate and reliable ventilatory zones. I use it to pace endurance rides over an hour.
- Garmin Forerunner 970: A pro-grade triathlon watch. I use this.
- Apple Watch Ultra 4: My daily smartwatch. No phone needed on rides.
- Garmin Fenix 9 Pro: I’ve just bought one.
On the bike
- Continental GP5000 for everyday riding, and Aero 111 on the front for special occasions.
- Helmets: Specialized S-Works Evade 3 for road riding, and Rudy Project Wing for TT-style races. I use both.
- Ravemen FR300: A front light that mounts under your Garmin or Wahoo. I use one.
- Wahoo TRACKR Radar: I use it on one bike and Varia on the other. They perform the same.
- Garmin Varia RTL515: Radar that warns you of cars from behind. I use this model.
- Wahoo ELEMNT Roam 3: The bike computer that’s easy to use. I use mine on most rides.
- Favero Assioma Pro RS2: Accurate power pedals that swap easily between bikes. I use this model.
Home and indoor training
- NPE Runn: Makes my basic treadmill smart, sending more accurate speed and distance to my watch and Zwift. I use it.
- Google Wifi: Keeps Zwift connected in my pain cave. I use it.
- Apple TV 4K: Zwift on the big screen. I use two.
- Google Nest Doorbell (wired, 2nd gen): My video doorbell, running in both Google Home and Apple Home. I use it.
Health, recovery and sleep
- FreeStyle Libre 3 Plus: Shows how my blood sugar responds to diet.
- hDrop: Measures my sweat loss in summer and indoors.
- Fourth Frontier Zone: Checks my heart under load in hard sessions.
- Oura Ring 5: My partner’s recovery tracker of choice.
- Eight Sleep: A cooling mattress cover my partner and I use nightly.
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tfk is the founder and author of the5krunner, an independent endurance sports technology publication. With 20 years of hands-on testing of GPS watches and wearables, and competing in triathlons at an international age-group level, tfk provides in-depth expert analysis of fitness technology for serious athletes and endurance sport competitors. See the gear tfk uses. ID
