About Dontzin Kolbe & Fleissig LLP
Dontzin Kolbe & Fleissig LLP (DKF) is a trial litigation boutique based in New York, founded by Matthew S. Dontzin, who reports more than 30 years of practice. The firm's terms of use describe it as a New York limited liability partnership engaged in the practice of law. Its website says it represents banks, hedge funds, asset managers, high-net-worth individuals, artists, galleries, companies, and attorneys and law firms in their own disputes, on both plaintiff and defendant sides, in the United States and Europe.
The website lists practices including complex commercial litigation and trial practice, international litigation and cross-border disputes, banking and financial services, employment law, regulatory investigations and white collar matters, art law, executive compensation, and public interest litigation. The firm states that it maintains a public interest practice. The sources reviewed show a single New York office at 31 East 62nd Street, 7th Floor, New York, NY 10065, which matches its principal address in New York State filings.
| Type | Law firm |
|---|---|
| New York offices | New York |
| Phone | 212-717-2900 |
| Website | dkfllp.com |
| Registered NY attorneys | 6 |
Practice areas
Areas of work that Dontzin Kolbe & Fleissig 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 30, 2026). Attorney list from the New York State Unified Court System registration data. Not affiliated with Dontzin Kolbe & Fleissig LLP.
Registered attorneys
Matthew Dontzin Currently registered Ruben Perlmutter Currently registered David Fleissig Currently registered Jason Kolbe Currently registered Heidi Schumann Currently registered Tarek Roshdy Hassan Currently registeredRegistration status can change at any time. Confirm any attorney's current status through the official New York Attorney Search.