John L. Calcagni, III

John L. Calcagni, III is a seasoned criminal defense attorney with a strong background in trial advocacy across state, federal, and military courts. As a former military prosecutor and Special Assistant U.S. Attorney, he leverages his investigative expertise and courtroom experience to defend clients against serious criminal charges. His practice covers a wide range of cases, including violent crimes, drug offenses, sex crimes, white-collar crimes, and military court-martials, providing aggressive and strategic legal representation.

Attorney Calcagni’s legal education includes a Juris Doctor from Roger Williams University School of Law, magna cum laude, followed by further military legal training at the U.S. Army Judge Advocate General’s Legal Center and School. Before law school, he earned his Bachelor’s degree from Bryant University, cum laude. His strong academic foundation and military background have equipped him with the skills to handle complex legal matters effectively.

John L. Calcagni, III has defended clients against a broad range of criminal charges, including drug possession and trafficking, assault, firearms violations, fraud, and conspiracy. His ability to challenge prosecution evidence, negotiate favorable plea agreements, and secure not-guilty verdicts and reduced sentences has earned him a strong reputation in criminal defense. Licensed in Rhode Island, Massachusetts, New York, Connecticut, and Florida, he also practices before numerous U.S. District Courts, Courts of Appeals, and the U.S. Supreme Court.

Attorney Calcagni’s military service includes roles as Senior Defense Counsel and Deputy Regional Defense Counsel in the U.S. Army JAG Corps, where he represented service members in court-martial and administrative actions. This experience has given him a unique understanding of military law and criminal justice, making him a sought-after attorney for military personnel facing legal issues.

Known for his tenacity and commitment to justice, John L. Calcagni, III provides strong, strategic defense for clients facing criminal charges. Whether in state, federal, or military court, he works tirelessly to protect his clients’ rights and secure the best possible outcomes.

Law Office Affiliations

• Founding Attorney, Law Office of John L. Calcagni, III
• Member, Judge Advocate General’s Corps
• Member, U.S. Army Trial Defense Service, Senior Defense Counsel
• Member, U.S. Army Trial Defense Service, Deputy Regional Defense Council
• Member, Office of the Staff Judge Advocate
• Member, 10th Mountain Division (Light Infantry)

Licensed State

• Rhode Island
• New York
• Connecticut
• Massachusetts

Education

• Roger Williams University School of Law
  Juris Doctor (JD)
• Bryant University
  Bachelor’s degree

Awards & Badges