By MacRumors Staff

Masimo Articles

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Apple Watch Pulse Oximetry Can Be Reactivated Through Software in 2028 or With Successful Appeal

Tuesday March 12, 2024 1:23 pm PDT by
Apple has been selling the Apple Watch Series 9 and Apple Watch Ultra 2 without the blood oxygen monitoring feature in the U.S. since mid-January, and while we've suspected Apple would be able to reintroduce pulse oximetry in models that lack it through a future software update, new information from the U.S. Customs and Border Protection (CBP) confirms that reactivation is indeed a possibility....
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Masimo CEO: Apple Watch Blood Oxygen Sensor is Not Reliable, Customers Are 'Better Off Without It'

Thursday January 18, 2024 11:04 am PST by
As Apple starts selling Apple Watch Series 9 and Ultra 2 models without the blood oxygen sensor enabled, Masimo CEO Joe Kiani confirmed to Bloomberg that there has been no chat with Apple about a possible settlement. According to Kiani, he has not spoken to anyone from Apple "personally" and no one from Apple has reached out about an agreement. He did say there have been court-ordered...
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Apple Updates Website to Highlight Removal of Apple Watch Blood Oxygen Feature

Wednesday January 17, 2024 10:58 pm PST by
As expected, Apple has updated its U.S. website to notify customers that the Blood Oxygen feature on the Apple Watch Series 9 and Apple Watch Ultra 2 is no longer included. Apple has added a banner to the store webpages related for both devices, and removed all mention of the feature in its product comparison tool. The change was spotted by developer Dylan McDonald. The modified Series 9...
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Apple to Sell Series 9 and Ultra 2 Watches Without Blood Oxygen Feature in U.S. Starting Tomorrow

Wednesday January 17, 2024 5:12 pm PST by
Apple Watch Series 9 and Apple Watch Ultra 2 models will be sold without the Blood Oxygen feature in the U.S. starting on January 18, according to 9to5Mac's Chance Miller, allowing Apple to avoid a sales ban on these models. On its online store in the U.S., this change will occur starting at 6 a.m. Pacific Time tomorrow. The report says these Apple Watch models will still include the Blood...
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Apple May Sell Series 9 and Ultra 2 Watches Without Blood Oxygen App in U.S. Amid Patent Dispute

Monday January 15, 2024 10:27 am PST by
Apple has readied modified Apple Watch models that "do not contain pulse oximetry functionality," medical technology company Masimo said in a document filed today with the U.S. Court of Appeals for the Federal Circuit. The filing, viewed by MacRumors, suggests that Apple will be removing the Blood Oxygen app from new Apple Watch Series 9 and Apple Watch Ultra 2 models sold in the U.S., at...
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ITC Wants Apple Watch Sales Ban Reinstated: 'Apple Presents a Weak and Unconvincing Case'

Wednesday January 10, 2024 12:53 pm PST by
The U.S. International Trade Commission (ITC) today formally opposed Apple's motion for the Apple Watch sales ban to remain paused for the duration of Apple's appeal. In a document filed with the U.S. Court of Appeals for the Federal Circuit, ITC lawyers said "Apple presents a weak and unconvincing case to invoke the extraordinary remedy of a stay pending appeal," adding that Apple's...
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Apple Watch Series 9 and Ultra 2 Once Again Available to Purchase From Apple's Online Store

Thursday December 28, 2023 6:58 am PST by
Following a ruling from the U.S. Court of Appeals staying the Apple Watch import ban, Apple has returned the Apple Watch Series 9 and the Apple Watch Ultra 2 to its online stores in the U.S., and they should also be available in some Apple retail stores. Apple on Tuesday filed an emergency request asking for the import ban to be paused while an appeal is under way. The appeals court...
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Apple Watch Series 9 and Ultra 2 Available in Apple Stores Starting Today, Online Sales to Resume Tomorrow

Wednesday December 27, 2023 1:28 pm PST by
Apple Watch Series 9 and the Apple Watch Ultra 2 are back in some of Apple's retail stores in the United States today, according to Bloomberg's Mark Gurman. Select stores will have availability today, while all stores will have the Apple Watch models back in stock by December 30. Online sales of the devices are set to resume tomorrow by 12:00 p.m. Pacific Time. Apple is able to begin selling ...
Apple Watch Series 9

Apple Watch Series 9 and Ultra 2 Sales Ban Paused by US Appeals Court

Wednesday December 27, 2023 7:49 am PST by
The ban on imports of Apple Watch Series 9 and Apple Watch Ultra 2 models has today been temporarily paused, meaning that the devices can now go back on sale for a short while longer in the United States. Apple filed an emergency request to the United States Court of Appeals following President Biden's decision to decline a veto on the sales ban, allowing it to take effect earlier this week. ...
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AliveCor Praises Apple Watch Ban Amid Its Own Health Tech Patent Dispute With Apple

Wednesday December 27, 2023 4:11 am PST by
Health technology company AliveCor has praised the International Trade Commission (ITC)'s ban on sales of the Apple Watch Series 9 and Apple Watch Ultra 2 in the United States. AliveCor, like Masimo, accuses Apple of violating its patents related to heath technology used in the Apple Watch. While Masimo's fight focuses on the Apple Watch's blood oxygen sensing capabilities, AliveCor contends ...
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Apple Watch Import Ban Now Official, Apple Appeals Decision

Tuesday December 26, 2023 6:18 am PST by
Apple is now officially unable to sell the Apple Watch Series 9 and Apple Watch Ultra 2 in the United States as the International Trade Commission's import ban has become final. This morning, the Biden administration announced that it would not veto the ban. The Office of the United States Trade Representative said that after "careful consultations" it was opting not to reverse the ITC's...
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ITC Denies Apple's Request for a Stay on Looming Apple Watch Import Ban

Wednesday December 20, 2023 12:03 pm PST by
The U.S. International Trade Commission today denied Apple's motion to stay a looming Apple Watch ban while Apple files for appeal [PDF via The Verge], which means one avenue avoiding a pause in sales has been exhausted. Apple filed the appeal on October 30, aiming to prevent an import ban from going into effect while an appeal was underway, but the ITC said no to the request. The ITC has...
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Masimo CEO on Looming Apple Watch Ban: 'These Guys Have Been Caught With Their Hands in the Cookie Jar'

Tuesday December 19, 2023 11:16 am PST by
Masimo CEO Joe Kiani does not believe that Apple will be able to solve its patent infringement issues with software, reports Bloomberg. In an interview with Bloomberg TV, Kiani said that a software solution won't work because Masimo patents cover hardware, not software. "I don't think that could work -- it shouldn't -- because our patents are not about the software," said Kiani. Apple is...
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Potential Apple Watch Ban Issued by U.S. Trade Tribunal in Masimo Patent Battle

Friday October 27, 2023 3:32 am PDT by
The U.S. International Trade Commission (ITC) on Thursday ordered a ban on Apple Watch imports into the country after finding that Apple violated pulse oximetry company Masimo's patents with the devices (via Reuters). The ban is now subject to presidential review, so it does not take effect immediately, and Apple can take the ban to the U.S. Court of Appeals for the Federal Circuit after...
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Apple's Trade Secret Battle With Masimo Over Pulse Oximetry Technology Ends in Mistrial

Monday May 1, 2023 4:25 pm PDT by
The latest legal dispute between Apple and pulse oximetry company Masimo today ended in a mistrial, reports Bloomberg. The jury overseeing the case was not able to come to a final decision in its deliberations, causing U.S. district judge James Selna to declare a mistrial. Six jurors wanted to decide in favor of Apple, but one juror held strong for Masimo, leading to an impasse. Earlier this ...
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Apple Poached Employees and Used Underhanded Tactics to Steal Trade Secrets, Alleges Masimo

Tuesday April 18, 2023 3:02 pm PDT by
Apple's legal battle with pulse oximetry company Masimo has been taking place over the course of the last two weeks, but we've heard little about it. The judge overseeing the case sealed some parts of the trial, but legal affairs journalist Meghan Cuniff, who has been following the dispute, today shared some details on what the two sides are arguing over in court. For a refresher, Masimo has ...
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Apple Watch Infringed Masimo's Pulse Oximetry Patent, US Judge Rules

Tuesday January 10, 2023 10:57 pm PST by
Apple infringed on one of medical technology company Masimo's pulse oximeter patents when it launched Apple Watch models that use light sensors to measure the amount of oxygen in the blood, an International Trade Commission (ITC) judge ruled on Tuesday. Masimo, which designs pulse oximetry devices, has been embroiled in an ongoing battle with Apple over several health capabilities found in...
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Pulse Oximetry Company Masimo Wants the Apple Watch Series 6 Banned

Wednesday June 30, 2021 9:55 am PDT by
Medical device company Masimo is embroiled in an ongoing legal battle with Apple over several of the health capabilities available in the Apple Watch, and now Masimo wants the Apple Watch Series 6 banned, reports Bloomberg. Masimo today filed a new patent infringement lawsuit with the United States International Trade Commission, which asks the ITC to halt imports of the Apple Watch Series...
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Pulse Ox Company Masimo Accuses Apple of Delaying Legal Battle to Sell More Apple Watches

Tuesday September 29, 2020 1:36 pm PDT by
Back in January, medical device company Masimo levied a lawsuit against Apple, accusing the company of stealing trade secrets and improperly using Masimo inventions related to health monitoring in the Apple Watch. Masimo is known for its pulse oximetry devices, and Apple just recently debuted the Apple Watch Series 6 with blood oxygen monitoring capabilities. Following the launch of the...