Region: U.S. | International
Lawyer Image

Leon B. Kellner

Listed in Best Lawyers since 2008

Perkins Coie LLP

Leon Kellner is a partner in the firm's Insurance Recovery practice and is ranked in the 2005 - 2011 editions of Chambers USA as a leading individual in the Insurance: Policyholder (Nationwide and the District of Columbia) categories. Leon's practice focuses on complex insurance coverage matters on behalf of policyholders. Leon has considerable trial and arbitration experience, having represented numerous FORTUNE 500 companies, including companies such as CSX Transportation Inc.; Ashland Inc.; Foster Wheeler Corporation; and Hercules Inc. in connection with insurance coverage for asbestos claims. He also has represented companies such as NL Industries Inc.; Dryvit Systems Inc.; and Radiator Specialty Company in connection with insurance coverage for other product liability claims. He has recovered well in excess of a billion dollars for his clients and currently represents a federal agency in an environmental coverage dispute involving over $1 billion in estimated cleanup costs.

From 1985 to 1988, Leon was U.S. Attorney for the Southern District of Florida. During his tenure as U.S. Attorney, he was responsible for 10% of all the federal indictments returned in the United States, including some of the largest drug-related cases. Leading indictments for which he was responsible include that of General Manuel Antonio Noriega, the Medellin Drug Cartel and more than 40 Miami police officers. Additionally, Leon’s office was responsible for the indictment of the principals of ESM, a government securities brokerage house whose activities resulted in the collapse of one of the largest state banks in Ohio.


  • Listed in Benchmark Litigation’s Guide to America’s Leading Litigation Firms and Attorneys as a Local Litigation Star in Insurance
  • Listed in Washington D.C. Super Lawyers
  • Ranked as "Leading Individual" by Chambers USA: America's Leading Lawyers for Business for Insurance: Policy Holder, 2005 - 2013; Dispute Resolution: Policyholder, 2013 - 2014

Client Comments

  • "Leon Kellner is a very effective and cost-conscious insurance coverage lawyer. Leon has a great ability to simplify the issues and develop and execute an effective and successful solution."

    Thomas Knapp
    Sucampo Pharmaceuticals

Write a client comment


700 Thirteenth Street, NW
Washington, DC 20005-3960
Phone: 202-654-6253
Firm Phone: 202-654-6200

Practice Areas

  • Insurance Law


  • University at Buffalo, The State University of New York (BA)
  • Harvard University (J.D.) (1971)

Bar Admissions

  • The District of Columbia Bar
  • The Florida Bar
  • New York State Bar Association

Organizations & Affiliations

  • American Bar Association — Member
  • Florida Bar Association — Member
  • District of Columbia Bar Association — Member