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Intellectual Property

Nov. 6, 2025

Apple, Masimo face off over patent for heart rate technology

Attorneys for Apple and Masimo opened a trial Wednesday over allegations Apple's Watch infringes Masimo's heart rate monitor patent, with each side disputing whether the technology qualifies as a medical or consumer device

Apple, Masimo face off over patent for heart rate technology
U.S. District Judge James V. Selna

Trial started Wednesday in a long-running trade secrets litigation between Apple Inc. and Masimo Corp. over allegations that Masimo's patent for heart rate monitoring technology was infringed for use in Apple Watch products.

Appearing on behalf of Apple, Joseph J. Mueller of Wilmer Cutler Pickering Hale and Dorr LLP in Boston, Massachusetts said in his opening statement that Masimo's patent does not apply to the Apple Watch because the watch is a consumer product, not a pa...

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