About O'Melveny & Myers LLP
O'Melveny & Myers LLP is a law firm founded in 1885 that describes itself as an international firm with about 800 lawyers. Wikipedia lists its headquarters in Los Angeles and its offices in California, Washington, D.C., New York City, Texas, and several cities in Asia and Europe. The firm's work spans litigation, transactions, and regulatory matters, and its corporate group handles M&A, capital markets, energy project finance and development, restructuring, corporate finance, tax, and fund formation. Its stated client base includes financial institutions, energy companies, airlines, life-sciences companies, and international manufacturers.
The firm's website lists its New York office at 1301 Avenue of the Americas, Suite 1700, New York, NY 10019, while some directories list Times Square Tower, 7 Times Square, as the address. The New York litigators work on commercial disputes, securities and financial institution litigation, white collar defense and regulatory enforcement, intellectual property, data privacy and cybersecurity, labor and employment, insurance litigation, antitrust, and appellate matters. The firm's own at-a-glance material lists offices in Austin, Century City, Dallas, Houston, Los Angeles, Newport Beach, New York, San Francisco, Silicon Valley, Washington, D.C., Beijing, Brussels, Hong Kong, London, Seoul, Shanghai, Singapore, and Tokyo.
| Type | Law firm |
|---|---|
| New York offices | New York, NY |
| Phone | 212-326-2000 |
| Website | omm.com |
| Registered NY attorneys | 150 |
Practice areas
Areas of work that O'Melveny & Myers 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 O'Melveny & Myers LLP.
Registered attorneys
Mark Mosley Suspended Helen Macdonald Suspended Michael Rosenthal Suspended Robert - Paul Sagner Suspended Andrew Frackman Currently registered John Rapisardi Currently registered Ulrich Wagner Suspended Junaid Chida Currently registered Jeffrey Kohn Currently registered Jonathan Rosenberg Currently registeredRegistration status can change at any time. Confirm any attorney's current status through the official New York Attorney Search.