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Masimo Sued by Apple, New Activist Investor

Two lawsuits claim infringement, `unprecedented’ new bylaws

Masimo Corp. (Nasdaq: MASI), an Irvine-based maker of oximetry devices, was sued in two separate cases in Delaware by a new activist investor and Apple Inc., the world’s most valuable publicly traded company.

Apple (Nasdaq: AAPL) claimed Masimo has copied technology to make its new W1 watch. Masimo, while suing Apple in separate ongoing intellectual-property cases, “carefully studied Apple’s IP” to obtain confidential information, Reuters reported today, citing the lawsuit.

Masimo told Reuters in a statement that Apple’s lawsuits are “retaliatory” and “appear to be an attempt to avoid the court in which the parties have been litigating their dispute for the past three years.”

Separately, Politan Capital Management, which has garnered 8.8% of the company’s shares in recent months, said Masimo’s recent bylaw amendments “effectively preclude stockholders from nominating director candidates.”

“Many of the bylaw amendments are unprecedented among publicly traded companies,” Politan said in a statement.

Politan said these amendments include demanding the names of the nominating stockholders’ passive limited partners as well as their and their families’ investment holdings in the company’s competitors or counterparties to litigation, including stock holdings in companies like Apple and Medtronic PLC.

Politan said it asked the company for a board seat on Sept. 2 and a week later Masimo implemented what’s called a “poison pill” to thwart such actions.

Masimo said Politan is using “strongarm demands” and its founder, Quentin Koffey has never served on a corporate board and “has no experience in Masimo’s industry.”

Shares of Masimo were relatively unchanged at $134.90 and a $7.1 billion market cap.

 

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Peter J. Brennan
Peter J. Brennan
With four decades of experience in journalism, Peter J. Brennan has built a career that spans diverse news topics and global coverage. From reporting on wars, narcotics trafficking, and natural disasters to analyzing business and financial markets, Peter’s work reflects a commitment to impactful storytelling. Peter’s association with the Orange County Business Journal began in 1997, where he worked until 2000 before moving to Bloomberg News. During his 15 years at Bloomberg, his reporting often influenced financial markets, with headlines and articles moving the market caps of major companies by hundreds of millions of dollars. In 2017, Peter returned to the Orange County Business Journal as Financial Editor, bringing his heavy business industry expertise. Over the years, he advanced to Executive Editor and, in 2024, was named Editor-in-Chief. Peter’s work has been featured in prestigious publications such as The New York Times and The Washington Post, and he has appeared on CNN, CBC, BBC, and Bloomberg TV. A Kiplinger Fellowship recipient at The Ohio State University, he leads the Business Journal with a dedication to uncovering stories that matter and shaping the local business community and beyond.
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