About Duane Morris LLP
Duane Morris LLP is a multi-office law firm that states it has more than 900 attorneys in offices across the United States and abroad. Its New York office serves domestic and international clients, from large multinational companies to closely held businesses, and works with many industries, including financial services and insurance. The practice areas listed on the firm's New York office page include complex litigation and alternative dispute resolution, financial markets, private equity, capital markets, mergers and acquisitions, public, project and municipal finance, and tax.
In 2025 the firm consolidated its New York operations into a Manhattan building at 22 Vanderbilt Avenue, bringing together attorneys from its former Times Square office and from the Satterlee Stephens offices on Park Avenue that joined after a 2020 merger. The firm's June 2025 announcement said about 200 lawyers and professionals would occupy two floors there. The New York office is listed at 22 Vanderbilt Avenue, and the firm's website publishes a main New York phone number.
| Type | Law firm |
|---|---|
| New York offices | New York |
| Phone | (212) 692-1000 |
| Website | duanemorris.com |
| Registered NY attorneys | 138 |
Practice areas
Areas of work that Duane Morris LLP describes on its own website. They describe the organization as a whole, not the practice of any individual attorney listed below.
Organization profile based on its official website and public sources (reviewed October 29, 2026). Attorney list from the New York State Unified Court System registration data. Not affiliated with Duane Morris LLP.
Registered attorneys
Charles Ognibene Suspended Lisa Spiegel Suspended Brett Popolow Suspended Gregory Duffy Suspended Jamie Gross Suspended Robert Hasday Currently registered Paul Powers Currently registered Paul Brown Currently registered Thomas Newman Currently registered Jerome Levy Currently registeredRegistration status can change at any time. Confirm any attorney's current status through the official New York Attorney Search.