Jeff Hammel is Co-Chair of Latham & Watkins' New York Litigation & Trial Department, and previously served as Global Co-Chair of the firm's Securities and M&A Litigation Practice for 10 years. He regularly represents Fortune 500 and other public companies, financial institutions, and officers and directors in their highest-stakes litigation matters.
Jeff is “acknowledged as one of the most experienced practitioners in the market” according to Legal 500 US. He was named as a 2025 MVP for Securities by Law360 and has also been recognized repeatedly in The American Lawyer’s “Litigator of the Week” columns and other publications.
In 2025, Jeff received significant media attention for winning three complete motions to dismiss three separate securities class actions in three different courts in one day. “Latham & Watkins Attorney Pulls a ‘Hat Trick,’ Winning Three Cases in One Day,” New York Law Journal, Mar. 31, 2025.
He is also co-author of a definitive treatise on securities litigation, Federal Securities Litigation, 3d Edition, 2015.
Jeff has delivered complete defense victories to clients in dozens of securities class actions throughout the United States, including:
Firm recognized by Law360 — an accolade the practice has earned five of the past seven years — in recognition of our work on high-profile and precedent-setting securities and M&A litigation.
Partner Jeff Hammel, Co-Chair of the New York Litigation & Trial Department, was named a 2025 Law360 Securities MVP for achieving a remarkable feat by securing three consecutive victories in different courts for three different clients across various industries, all within a single day.
The most of any law firm, the honorees were recognized for their work on market-leading transactions and high-stakes litigation and trial victories.