John L. Calcagni III

Military & Criminal Defense Attorney Representing Clients in RI, MA, CT, NY, and FL
  • Appeals & Appellate, Criminal Law, Domestic Violence...
  • Connecticut, Florida, Massachusetts, New York, Rhode Island
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John Calcagni is skilled at both criminal and civil litigation. He formerly served as a military prosecutor in the U.S. Army JAG Corps and Special Assistant U.S. Attorney with the U.S. Department of Justice. Military Defense Attorney Calcagni is admitted to practice in the United States Court of Appeals for the Armed Forces and the U.S. Army Court of Criminal Appeals, as well as the state and federal courts in Rhode Island, Massachusetts, New York, Connecticut, and Florida.

Mr. Calcagni prosecuted hundreds of crimes involving drug use, possession and distribution; simple and domestic assault; assault with deadly weapons; gang-related assault; manslaughter; murder; attempted murder; possession, manufacture and distribution of child pornography; solicitation of minors; child abuse; rape; carnal knowledge or statutory rape; weapons-related charges; burglary; breaking and entering; possession of bomb-making materials; terrorism-related offenses; fraud; identity fraud; larceny; destruction of property; financial crimes; traffic violations; driving while under the influence of alcohol or drugs; trespassing; conspiracy; and attempt-related offenses.

He now uses the extensive investigation and trial experience he acquired as federal prosecutor to represent his clients in Criminal Defense matters in State, Federal and Military Courts.

Mr. Calcagni is also an experienced civil litigator. He formerly belonged to a boutique civil litigation firm that specializes in representing Plaintiffs in Complex Personal Injury actions such as medical malpractice, motor vehicle accidents, nursing home negligence, and product liability.

Mr. Calcagni represented Plaintiffs in all aspects of civil litigation, both in discovery and at trial. His clients are well-served by his pretrial investigation, trial preparation and commitment to maximizing the value of each case for settlement or trial.

U.S. Army Judge Advocate General's Legal Center and School
Roger Williams University
J.D. / Law
Honors: magna cum laude
Bryant College
Honors: cum laude
Jurisdictions Admitted to Practice
New York
Rhode Island
1st Circuit
2nd Circuit
U.S. Army Court of Criminal Appeals
U.S. Court of Appeals for the Armed Forces
U.S. District Court for Eastern District of New York
U.S. District Court for Northern District of New York
U.S. District Court for Southern District of New York
U.S. District Court for the District of Columbia
U.S. District Court for the District of Connecticut
U.S. District Court for the District of Massachusetts
U.S. District Court for the District of Rhode Island
U.S. Supreme Court
Practice Areas
  • Appeals & Appellate
  • Criminal Law
  • Domestic Violence
  • DUI & DWI
  • Juvenile Law
  • Military Law
Social Media
Websites & Blogs
Contact & Map
1 Custom House Street
Suite 300
Providence, RI 02903
Telephone: (401) 351-5100