Dispute resolution
Having joined Latham & Watkins in August 2025, David Marriott continues to provide key advice to his clients on a range of business litigation matters, with a strong focus on antitrust cases. He is leading on the ongoing representation of Live Nation, continuing from his former firm, against an investigation from the DOJ alleging that the entertainment company has a monopoly in the concert promotion and ticketing markets. He is also the lead in the firm’s representation of Novo Nordisk against a range of claims from Pfizer alleging misconduct and monopolization of GLP-1 medications through the acquisition of life sciences startup Metsera.
Legal 500 Editorial commentary
Mentions
Profile
Position
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.
Content supplied by Latham & Watkins