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Masimo files lawsuit over Apple's 'redesigned' blood oxygen monitoring feature
Masimo, the medical technology company whose lawsuit led to the temporary sales pause of the Apple Watch Series 9 and Ultra 2, has sued the US Customs and Border Protection.
This is just the latest update in the lengthy legal saga between Masimo and Apple, which started when the former sued the iPhonemaker in 2021, accusing it of infringing on several of its light-based blood oxygen monitoring patents. In order to circumvent the import ban for the devices, Apple removed the Blood Oxygen app for the watch models sold in the US. Masimo is now asking the court to put an injunction on UCBP's decision and, ultimately, to only allow imports of the devices if their blood oxygen-tracking function is disabled.
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