John’s practice concentrates on civil litigation, business law, administrative law, appeals, and civil rights and civil liberties. For more than 20 years, John has tried cases large and small before judges and juries. He litigates regularly in federal and state courts as well as before state administrative agencies. John has extensive experience in civil and criminal litigation in a wide-range of areas. John is also an experienced appellate advocate. He has briefed and argued many cases before the Massachusetts Supreme Judicial Court, the Massachusetts Appeals Court, and the United States Court of Appeals for the First Circuit.
For a decade before founding Drohan, Hitt & Hadas LLC, John was a litigator in the Boston office of Cosgrove, Eisenberg & Kiley, P.C. John represented businesses, individuals, associations, nonprofits, governmental entities, and public officials in complex litigation and regulatory matters. John also frequently assisted businesses and business people concerning civil investigative demands (CID’s) under Mass. G.L. c. 93A from the Massachusetts Attorney General’s Office. Additionally, he also served as an outside administrative hearing officer for state agencies in complex regulatory proceedings. John also regularly provided opinion letters to clients on various issues of law. He also conducted risk assessments and consulted on compliance with state and federal civil rights laws, privacy laws (including the Massachusetts wiretap act) and the Massachusetts data protection and privacy law (G.L. cc. 93H and 93I).
In the decade before joining Cosgrove, Eisenberg & Kiley, John served in the Massachusetts Attorney General’s Office, where he was an Assistant Attorney General in the Government Bureau and Chief of Opinions followed by service in the Public Protection Bureau as Chief of the Civil Rights & Civil Liberties Division.
John also worked as a litigation associate in the Boston litigation firm of Donnelly, Conroy & Gelhaar, in the area of business litigation.
Prior to joining the Attorney General Office, John served as a law clerk and deputy chief law clerk to the Justices of the Massachusetts Superior Court and as a law clerk to the late Justice J. Harold Flannery of the Massachusetts Appeals Court.
John is a graduate of Oberlin College and the Oberlin Conservatory of Music and the Detroit College of Law (now Michigan State University College of Law) where he served as Editor-in-Chief of the Law Review. During law school, he worked in the United States Attorney’s Office in Detroit and the Wayne County Prosecutor’s homicide unit in Detroit.
John was selected as a 2019 Massachusetts Super Lawyer, an honor reserved for the top 5% of lawyers in Massachusetts.