Apple Asks Judge to Toss Masimo’s $634 Million Watch-Alerts Win

December 22, 2025, 7:02 PM UTC

Apple Inc. urged a California federal judge to overturn or sharply reduce a $634 million verdict, arguing no reasonable jury could find Apple Watch’s heart-rate alerts infringed Masimo Corp.’s expired patient-monitoring patent.

Apple asked the court to enter judgment of noninfringement or, failing that, order a new trial, in a filing Dec. 19 in the US District Court for the Central District of California. The tech giant argued the evidence couldn’t support the jury’s November finding that Apple Watch features alerting users to unusually high or low heart rates infringed US Patent No. 10,433,776, either literally or under the ...

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