Antitrust
David Marriott, a New York trial lawyer at Latham & Watkins LLP,, handles a broad range of matters in antitrust, intellectual property, and securities law. In April 2024, Marriott achieved a federal appeals court ruling for Mylan N.V. (now Viatris, Inc.), upholding a rare summary judgment that dismissed a class action claiming over $4bn in damages for alleged securities fraud. Among his ongoing mandates, Marriott is representing Live Nation in a monopoly lawsuit filed by the U.S. Department of Justice, 39 states, and the District of Columbia in New York federal court, seeking to break up Live Nation and Ticketmaster.
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David Marriott, a distinguished litigator, is renowned for his experience handling high-stakes disputes across federal and state courts and administrative agencies.
A recognized leader, David is a fellow of the American College of Trial Lawyers and the International Academy of Trial Lawyers. He also routinely receives accolades from the legal press for successfully representing clients in precedent-setting matters.
David leverages his trial skills and strategic acumen to guide clients in business-defining litigation involving:
- Antitrust
- Intellectual property
- Securities
- Environmental matters
- Complex commercial issues
David advises across a broad range of highly scrutinized industries, including technology, healthcare, pharmaceuticals, consumer products, and telecommunications.
In addition to his practice, David is an Adjunct Professor at New York University School of Law and a Lecturer in Law at Columbia University School of Law, where he teaches antitrust, intellectual property, and trial practice.
Before joining Latham, David was a partner at another leading law firm.
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