The USITC has started a new investigation looking at the Apple Watch, to see if the blood oxygenation sensing changes implemented earlier in 2025 still infringe patents held by medical tech company Masimo.
Apple Watch Series 9 versus Apple Watch Ultra 2
On Friday, the US International Trade Commission (ITC) issued an order to restart an investigation about Apple Watch, and the potential violation of Masimo’s patents. This time, the investigation is looking at Apple’s software work-around.
Back in 2023, the ITC found that the Apple Watch Series 9 and Apple Watch Ultra 2 models infringed Masimo’s patents over blood-oxygen measurement technology, and blocked their import.
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