David A. Koenigsberg

of counsel


dkoenigsberg@mbkklaw.com
Rye Brook: (914) 949-0222

Biography

David Koenigsberg is the False Claims Act practice leader at Menz Bonner Komar & Koenigsberg LLP and during his career has represented relator-whistleblowers and the United States in cases that have resulted in government recoveries of over a billion dollars.

David has been practicing law for over 42 years and has been litigating False Claims Act cases for over 34 years, the last 26 years of which has been in private practice where he has focused his practice on representing relators in whistleblower litigation, including Federal False Claims Act litigation.

Education

  • J.D., Fordham University School of Law, 1982
    Fordham Urban Law Journal, Commentary Editor

  • B.A., Williams College, 1978
    Cum Laude

Jurisdictions Admitted to Practice

  • New York, 1983

  • United States District Court for the Southern District of New York

  • United States District Court for the Eastern District of New York

  • United States District Court for the Northern District of New York

  • United States Court of Appeals for the Second Circuit

  • United States Supreme Court

Professional & Bar Association Memberships

  • Association of the Bar of the City of New York

  • New York State Bar Association

  • Westchester County Bar Association

  • AV rated by Martindale-Hubbell Legal Directory

  • Certified Volunteer Mediator, U.S. District Court, Southern District of New York

Former Associations

  • U.S. Attorney's Office, S.D.N.Y

    • (1990 - 1999)

  • Dewey Ballantine

    • (1986 - 1990)

  • Whitman & Ransom

    • (1982 - 1984)

  • Hon. Peter K. Leisure

    • United States District Judge

    • Southern District of New York

    • Law Clerk (1984 - 1986)