Andy Boxall / Digital Trends

Apple has experienced another reverse in its bid to keep theApple Watch Series 9andUltra 2smartwatches on U.S. shelves . The U.S. Court of Appeals for the Federal Circuit has ruled that Apple should halt selling the two aforementioned smartwatches over a letters patent dispute related to the line of descent atomic number 8 measurement feature .

The company had requested that the court break the sale ban of its latest smartwatches , reportsBloomberg . The motor inn has refuse , ordering Apple to block up selling these smartwatches during a ban period that “ could last a year or more . ”

A person wearing the Apple Watch Series 9, showing the side of the watch.

Andy Boxall / Digital Trends

Earlier this week , Apple come up with aplan to sell the Series 9 and Ultra 2 smartwatches with the beat oximetry ( roue O chroma stratum measurement ) system disabled . The company even started shipping such units to its retail electric receptacle , but apprise them not to sell these immediately as it waited for some relief .

It seems Apple will have to go ahead with that plan and sell units on which the pulse oximetry system has been handicap by a software lock . It ’s a disappointing res publica of affairs for Apple , as line of descent oxygen level psychoanalysis is one of the marquee features of its latest crop of smartwatches .

The watches face a ban in the U.S. late last year following a U.S. International Trade Commission ( ITC ) ruling that Apple ’s blood atomic number 8 sensing element infringed on Masimo ’s patents . The irregular abide on a sales ban elevation at 5 p.m. ET on January 18 , 2024 , according to judicature document .

At the center of the snag is Masimo , a medical tech company that has alleged that Apple infringed on patent tech . The company was reportedly in touch with Apple even before the first Apple Watch came out . However , no deal was ink between the two .

Apple allegedly poach talent from Masimo and , old age later , served up the feature of speech on its sixth - multiplication smartwatch in 2020 . A lengthy legal battle result , wherein Apple manage to shrug off some of the allegations leveled against it , but over the retiring duo of years , multiple courts havefound Apple guilty of violating patent police .

In the backwash of the modish setback , all new Apple Watch Series 9 and Ultra 2 unit of measurement sell in the U.S. will have their blood oxygen level measuring organization disabled via a software update . However , the motor lodge opinion wo n’t affect be units already in the hands of customers , and they will continue to provide the pulse oximetry feature .