A federal jury in California ruled Friday that Apple must pay medical device maker Masimo $634 million for infringing its oxygen monitoring technology patent.
Reuters reports The jury found that the Apple Watch’s exercise mode and heart rate notifications featured Masimo’s patent.
“This is a significant win in our ongoing efforts to protect innovation and intellectual property, which is essential to our ability to develop technologies that benefit patients,” Masimo said. in the statementSee rank-. “We remain committed to defending our IP rights moving forward.”
An Apple spokesperson told Reuters that the company plans to appeal the verdict, adding a single patent in this case in 2022, and specifically for historic monitoring technology from the past. “
TechCrunch has reached out to Apple for additional comment.
The legal partnership between Masimo and Apple focuses on pulse oximetry, which uses optical sensors to detect blood flow. Masimo has accused Apple hiring employees – including medical officers – and infringing patents on pulse technology.
The US International Trade Commission by Masimo in 2023, bans Apple from importing apple watches with oxygen monitoring features – that is why Apple watches have not supported in recent years.
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Then Apple announced in August this year Introducing new versions of these new features It is designed to circumvent these restrictions, with blood oxygen readings measured and calculated on the user’s paired iPhone, rather than Apple’s own watch.
Massimo from Suit US customs and border patrol To approve the import of the Apple watch with the implementation of new blood oxygen, when Apple has asked the appeals court to overturn the import ban.
Apple Field Milked, Win a Minimum Payout of $250 When the jury found that Masimo had infringed on Apple’s design patent.

