Apple’s blood oxygen sensor on the Apple Watch is no longer under import ban threat in the U.S. The U.S. International Trade Commission shut down Masimo’s latest push on April 17, 2026, declining to review a judge’s finding that Apple’s redesigned feature sidesteps Masimo’s patents. Data collection happens on the watch. Processing shifts to a paired iPhone. Results show up in the Health app there—not on the watch face. This closes one front in a battle that started back in 2020. Masimo, a medical device maker, accused Apple of poaching its pulse oximetry tech for the Series 6 launch. Pulse oximeters shine light through skin to gauge oxygen saturation in blood, a staple in hospitals. Apple turned it consumer-grade. Masimo cried foul, filing suit in federal court and hauling the case to the ITC in 2021. Fast-forward to late 2023. The ITC ruled Apple infringed two Masimo patents. It slapped a limited exclusion order, blocking imports of Series 9 and Ultra 2 models. Apple pulled them from U.S.…