Marcus Thornton
Partner
New York
Practice areas
Education
Certifications
Marcus Thornton is a trial lawyer and white-collar defense specialist with nearly three decades of experience in federal and state courts. He has represented Fortune 500 executives, financial institutions, and public officials in high-profile matters.
Marcus served as an Assistant U.S. Attorney in the Southern District of New York, where he prosecuted complex securities fraud and public corruption cases. He brings that prosecutorial insight directly to the defense of the firm's clients.
His practice spans securities enforcement, antitrust investigations, healthcare fraud, and complex commercial litigation.
Bar Admissions
- California (2003)
- Massachusetts (2006)
Court Admissions
- U.S. Court of Appeals for the Second Circuit
- U.S. Court of Appeals for the Ninth Circuit
Notable Matters
- Defended Fortune 100 client in multi-district antitrust class action
- Advised SPAC on $1.1B de-SPAC merger and PIPE financing
Cases
- Coastal Holdings v. Vanguard Capital, 2023 WL 1184422 (Del. Ch.)
Professional
- New York State Bar Association
- Federal Bar Council
Community
- Habitat for Humanity NYC — Volunteer Counsel
- Legal 500 US — Leading Lawyer (2023)
- Best Lawyers in America (2022–2024)
- Super Lawyers — Top 100 New York Metro (2023)
Articles
- "The Quiet Revolution in Section 220 Books-and-Records Demands", Del. J. Corp. L. (2023)
- "Privacy by Design in M&A Due Diligence", IAPP Privacy Advisor (2023)
Presentations
- Speaker, "Generative AI and Attorney Work-Product", ABA Tech Show 2024