The Apple Watch‘s blood oxygen sensor has been at the center of what feels like a never-ending tennis match of legal back-and-forth.
In 2020, the Apple Watch Series 6 launched with the sensor that measures your blood’s oxygen saturation (SpO2), which is how much oxygen red blood cells pick up from your lungs and transport to the rest of your body. That same year, global medical technology company Masimo filed a lawsuit claiming that Apple’s sensor infringed its patents. In 2023, the US International Trade Commission sided with Masimo and imposed an import ban on Apple Watch Series 9 and Ultra 2 models.
However, on Friday, the ITC declined Masimo’s request for another import ban on the Apple Watch and said it wouldn’t review a preliminary ruling finding that the redesigned Apple Watch doesn’t infringe Masimo’s patents. This is a major win for Apple.
Unless Masimo decides to appeal the decision, Apple can
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