Ahmuty, Demers and McManus, a civil defense litigation firm based in the greater New York and New Jersey area.The Firm of Ahmuty, Demers & McManus traces its origins to William R. Ahmuty, Jr., who commenced the practice of law in 1946. The Firm as it now exists was formed in 1983 when Philip J. McManus joined William R. Ahmuty, III and Henri A. Demers to form Ahmuty, Demers & McManus. The Firm has since grown to over 70 attorneys in multiple offices.