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Jack Arseneault has tried numerous cases in New Jersey courts. He has also represented major corporations, corporate board chairpersons, CEOs, brokers, doctors, lawyers, judges, accountants, federal agents, and state and local police in various matters, including RICO disputes, securities and antitrust violations, mail fraud, environmental offenses, and espionage.

Jack’s practice is primarily devoted to litigation, although he also practices land use and redevelopment law. While the majority of his litigation practice is in the state and federal courts in New Jersey, he has also handled cases in the Southern and Eastern Districts of New York as well as the Districts of Pennsylvania, Maryland, Georgia, Florida, Alabama, Texas and California.

Following a federal clerkship, Jack joined Robinson, Wayne, Levin, Riccio & LaSala, where he became a partner.  He left Robinson in 1989 to start his own practice with his long-time partner, David Fassett, in a litigation boutique located in Chatham, New Jersey.

Jack has been featured since 1993 in The Best Lawyers In America, published by Woodward and White, and is listed in the National Directory of Criminal Defense Lawyers. He is a founding trustee of the Association of Criminal Defense Lawyers of New Jersey, a past trustee of the Criminal Law Section of the New Jersey State Bar Association and one of the first out-of-state members admitted to the prestigious New York Council of Defense Lawyers.

Jack has been a frequent lecturer on legal issues in the business arena, particularly securities law, bank fraud, health care fraud, political corruptions and racketeering. He is frequently asked to lecture to bar groups on trial tactics and techniques and is a repeat lecturer for the Federal Bureau of Investigation on defense perspectives in political corruption cases. Jack also co-authored New Jersey Evidentiary Foundations, a treatise that comprehensively reviews the New Jersey Supreme Court’s adoption of the Federal Rules of Evidence and provides a practical approach for trial lawyers in recognizing and applying appropriate evidentiary doctrines.

Jack received his J.D. from Seton Hall University School of Law in 1979, where he was a Member of the Seton Hall Legislative Journal (1978-79 academic year), and his B.A. from Assumption College in 1973.  He served as a judicial law clerk to the Honorable Harold A. Ackerman, United States District Court for the District of New Jersey, from 1979 to 1980.

From 1992 to 1998, Jack served on the Board of Trustees of Newark Renaissance House, Inc. Renaissance House operates residential, outpatient and infant mental health programs.

He is a former Board Member of The Hope Chest Scholarship Foundation, and of Oak Knoll School.


  • New Jersey
  • U.S. District Court – District of New Jersey
  • U.S. District Court – Southern District of New York
  • U.S. District Court – Eastern District of New York
  • Third Circuit Court of Appeals
  • Second Circuit Court of Appeals
  • U.S. Tax Court
  • United States Supreme Court


  • Association of Criminal Defense Lawyers of New Jersey
  • New Jersey State Bar Association
  • American Bar Association
  • National Association of Criminal Defense Lawyers
  • New York Council of Defense Lawyer
  • Fellow of the American Bar Foundation