Sales of some Apple Watch models to halt in US amid patent dispute – National |

Apple on Thursday suspended online sales of two popular Internet-connected watch models in the U.S. after losing a last-ditch effort to resolve a patent dispute that blocks it from using some of the device's technology.

Apple Watch Series 9 and Ultra 2 became unavailable to order online at 3pm ET as the company followed through on a plan to halt sales of them due to a legal battle over an intellectual property claim filed by medical technology company Masimo.

The International Trade Commission rejected Apple's bid for an injunction in late October that would have blocked the company from using some of the technology behind the blood oxygen-sensing feature on the Series 9 and Ultra 2 watches.

Click to play video: Tech Talk: Apple's Latest Gadgets

Tech Talk: Latest Apple Gadgets

Hurt by the ruling, Apple has decided to stop selling two models of the watch in the United States to comply with the ITC ruling, which will now take effect unless the Biden administration revokes it by Christmas.

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Although the suspension of online sales took effect Thursday afternoon, the devices are scheduled to remain on store shelves until Sunday. The less sophisticated Apple Watch will remain available in the US after Christmas Eve. Previously purchased Apple Watches equipped with blood oxygen are not affected by the ITC order.

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Apple told Global News that sales of these models will stop only in the US, not Canada.

Wedbush Securities analyst Dan Ives estimates that Apple's holiday season sales could fall between $300 million and $400 million if the two watch models are pulled from the US market in the last week of the year as a result of the patent dispute.

With files from Global News' Sean Preville and Nicole Gibilini

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