---
title: "The U.S. Trade Commission restarts the Apple Watch import investigation involving patent disputes over blood oxygen measurement functionality"
type: "News"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/news/265976424.md"
description: "The United States International Trade Commission has restarted its investigation into the import of Apple Inc.'s Apple Watch, involving a patent dispute with Masimo Corporation. The investigation will examine whether the redesigned Apple Watch still infringes on Masimo's blood oxygen measurement technology patents. The commission plans to complete the investigation within six months. Masimo has accused Apple of poaching its employees to steal technology. In 2023, the commission found that the Apple Watch infringed on Masimo's patents and banned its import. Apple reintroduced the updated version of the technology after removing the relevant features"
datetime: "2025-11-14T18:56:43.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/265976424.md)
  - [en](https://longbridge.com/en/news/265976424.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/265976424.md)
---

> 支持的语言: [English](https://longbridge.com/en/news/265976424.md) | [繁體中文](https://longbridge.com/zh-HK/news/265976424.md)


# The U.S. Trade Commission restarts the Apple Watch import investigation involving patent disputes over blood oxygen measurement functionality

The U.S. International Trade Commission decided on Friday to initiate a new procedure to determine whether the updated Apple Watch (AAPL.US) should be banned from import due to patent disputes, primarily investigating the patent conflict between Apple and medical monitoring technology company Masimo.

The Commission stated that the new investigation will examine whether Apple's recently redesigned Apple Watch, which was modified to circumvent a previous import ban, still infringes on Masimo's patents related to blood oxygen measurement technology. The Commission plans to complete the investigation within six months.

Masimo accused Apple of poaching its employees to steal pulse oximetry technology. In 2023, the Commission found that Apple's Series 9 and Ultra 2 watches infringed on Masimo's patents and banned their import. Apple had removed the blood oxygen measurement feature to avoid the ban but reintroduced the updated version of the technology after receiving approval from U.S. Customs in August this year

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