Apple Watch Blood Oxygen Feature Returns Following redesign
Apple Has Relaunched The Blood Oxygen Measurement Feature On Certain Apple Watch Models.
This Follows A Patent Dispute And Subsequent Suspension In The United States.

The Relaunched Feature Is Available On Apple Watch Series 9, Apple Watch 10, And Apple Watch Ultra 2 Devices.
Apple Initially Introduced The Blood Oxygen Feature In 2020.
The patent Dispute
The United States International Trade Commission (ITC) Ruled that Apple Infringed On Masimo’s Blood Oxygen Measurement Technology Patents.
This led To A ban On apple Watch Imports In The U.S.
The Redesigned Function
Apple Has Redesigned The Blood Oxygen Measurement Function To Address The Patent Concerns.
The New Method Uses Sensor Data From The Apple Watch, Processing The Calculation On A Paired iPhone.
Customs Approval
The U.S. Customs Service Has Approved The Redesigned Function.
They Believe The New Design Does Not Infringe On Masimo’s Patent.
Frequently Asked Questions
- What Apple Watch Models Have The Feature?
- The Blood Oxygen Feature Is Available On Apple Watch Series 9, Apple Watch 10, And Apple Watch ultra 2.
- What Happened With The Original Feature?
- The Original Feature Was Removed Due To A Patent Violation Ruling.
- How Is The New Feature Different?
- The New Feature Processes Data On The iPhone Rather Of Directly On The Watch, Addressing the Patent Concern.