Cowdery & Murphy, LLC
Call us at 860-278-5555
280 Trumbull Street, 22nd Floor
Hartford, Connecticut 06103

John P. D’Ambrosio

John P. D’Ambrosio represents clients in white collar, healthcare, professional licensing, personal injury and wrongful death, and commercial litigation matters.  He advises individuals and entities in complex cases involving the False Claims Act, healthcare fraud, non-compete violations, securities fraud, insider trading, unfair trade practices, civil RICO, bank fraud, tax evasion, contract disputes, potential pension revocation, and criminal restitution statutes.  He has defended clients in government enforcement actions involving the Department of Justice, the Connecticut Attorney General’s Office, the SEC, the U.S. Department of Health and Human Services, and the Federal Trade Commission.

Mr. D’Ambrosio often advises professionals in licensure and disciplinary proceedings.  He has secured favorable outcomes for doctors, dentists, and nurses in Department of Public Health investigations, and has helped healthcare professionals navigate Department of Social Services audits and the National Practitioner Data Bank reporting process.  He defends attorneys before both the Statewide Grievance Committee and the Superior Court, and represents pharmacists, accountants, real estate appraisers, and other professionals in Department of Consumer Protection investigations.

Mr. D’Ambrosio is the Chair of the Criminal Law Subcommittee of the Connecticut Bar Association’s Federal Practice Section.  In 2018, the Connecticut Law Tribune named him one of Connecticut’s “New Leaders in the Law,” and, since 2017, he has been named a Super Lawyers “Rising Star” in the areas of healthcare law and/or white collar criminal defense.  He currently sits on the Board of St. Bernard Catholic School in Enfield.

In 2006, Mr. D’Ambrosio graduated Phi Beta Kappa, magna cum laude, from the College of the Holy Cross.  He received his J.D., cum laude, in 2009 from St. John’s University School of Law, where he was Senior Articles Editor of the St. John’s Law Review and the Journal of Catholic Legal Studies.

Before joining Cowdery & Murphy in 2012 and becoming a Partner in 2018, Mr. D’Ambrosio was an associate at Cahill Gordon & Reindel LLP in New York City. There, Mr. D’Ambrosio’s practice focused on complex commercial, professional liability, and First Amendment litigation, and he participated in numerous internal corporate and governmental investigations. Before joining Cahill, Mr. D’Ambrosio worked at D’Ambrosio & D’Ambrosio, P.C., in Irvington, New York, where he represented insurance companies in a variety of civil matters.

Mr. D’Ambrosio is the author of “Department of Justice Intervenes in Qui Tam Action Against UnitedHealth Group,” released in 2017 by the American Health Lawyers Association, Fraud and Abuse Practice Group. He also co-authored “Tobacco Suit Challenges Graphic Warning Mandate,” an article published in 2011 by the American Bar Association, First Amendment & Media Litigation Committee.