Try our Advanced Search for more refined results

Masimo Corporation et al v. Apple Inc.

  1. March 18, 2026

    Apple Took Masimo IP But No Remedy Warranted, Judge Says

    A California federal judge determined Apple misappropriated two out of five of Masimo Corp.'s asserted trade secrets related to pulse oximetry technology for its smartwatches, but found Masimo's requests for an injunction and attorney fees unwarranted, according to a December bench trial ruling that was unsealed this week.

  2. February 10, 2026

    Apple Again Pushes To Escape Masimo's $634M IP Verdict

    Apple is doubling down on its bid to have U.S. District Judge James V. Selna relieve it from a jury's $634 million infringement verdict in litigation over its Apple Watch, saying Masimo Corp. relied on an improper and "shifting" definition of a dispositive term.

  3. January 26, 2026

    Masimo Chafes Against Apple's Bid To Duck $634M IP Verdict

    Masimo has urged a California federal court to turn down Apple's request for relief from its $634 million trial loss in the companies' patent infringement fight over the Apple Watch, arguing that the company has made "extraordinarily untimely" attempts to change the meaning of "patient monitor."

  4. December 22, 2025

    Apple Seeks To Overturn $634M Masimo Patent Verdict

    Apple has urged a California federal judge to grant its combined motion for judgment or a new trial for its $634 million trial loss over a Masimo patient monitor patent, arguing that no reasonable jury could have reached the verdict and that the tech giant was "severely prejudiced" by erroneous court rulings.

  5. December 19, 2025

    The Top Patent Damages Of 2025

    The largest patent verdict of the year was Apple's $634 million loss against Masimo, and juries issued eight other nine-figure verdicts in 2025 — many of which were against Samsung.

  6. November 14, 2025

    Apple Hit By $634M Verdict Over Masimo Health Tech Patent

    A California federal jury on Friday awarded Masimo Corp. more than $634 million from Apple Inc. following an eight-day trial, finding that certain Apple Watches infringed one of Masimo's pulse oximetry patents with a feature that warns users if they have an abnormal heart rate. 

  7. November 05, 2025

    Masimo Tells Jury It's Owed $749M In Apple Watch IP Fight

    An attorney for Masimo Corp. told a California federal jury during opening statements Wednesday that Apple Inc.'s smartwatch uses his client's groundbreaking patent in the device's feature that warns about an abnormal heart rate, and that Apple should pay up to $749 million for the infringement.

  8. October 28, 2025

    Apple Spared From Some Masimo Patent Claims Before Trial

    A California federal judge issued a mixed ruling in Masimo's case claiming Apple infringed its patents covering pulse oximetry technology for smartwatches, dismissing certain infringement theories but preserving other parts of the case for next week's trial.

  9. February 03, 2025

    Apple Seeks Bench Trial Win In Masimo's Trade Secret Suit

    Apple Inc. urged a California federal judge Monday to issue a bench trial ruling that it didn't steal Masimo Corp.'s pulse oximetry technology for its smartwatches, arguing no actual trade secrets were at issue and that it used its own independently developed innovations to create the blockbuster product.

  10. January 10, 2025

    Masimo, Apple Fight Over Watch IP In Post-Bench Trial Briefs

    Masimo and Apple have submitted dueling briefs to a California federal judge following a trade secret retrial over health sensing technology in Apple's smartwatches, with Masimo maintaining Apple poached its employees to steal its intellectual property and Apple contending Masimo failed for years to "back up their spurious claims" of misappropriation.