Interest is making Apple's payout to Masimo much larger

Apple is being ordered to pay an extra $184 million to Masimo as part of the Apple Watch blood oxygen sensor trial, as an interest payment on top of the existing $634 million fine.
A sensor on an Apple Watch Series 11
In November 2025, Masimo was awarded $634 million in compensation, after a federal jury agreed heart rate notification features and the Apple Watch workout mode violated its patents. Eleven months later, Apple has to pay even more.An October 5 ruling by Federal Judge James Selina r