• LL.B., University of New Brunswick, Fredericton
  • B.C.S., University of New Brunswick, Fredericton

Areas of Practice

  • Civil Litigation
  • Corporate/Commercial Law
  • Personal Injury


John’s courtroom work ranges from personal injury files involving catastrophic injuries to complex medical malpractice actions to commercial disputes involving dozens of parties. He takes pride in the success of his clients.

In addition to his varied civil litigation practice, John advises corporate organizations on all matters. These organizations range from multinational groups to regional enterprises. He is routinely called upon to advise these clients in such areas as restructuring, refinancing, labour issues, and dispute resolution.

John also takes pride in his extensive IT background and the use of technology in his practice. The benefit to his clients is seen from documentary collection and processing, to discovery on e-data issues, and finally to efficient and effective presentation in the court room.


  • Saint John Law Society
  • New Brunswick Law Society
  • Canadian Bar Association
  • Council of Canadian Administrative Tribunals


  • Member, Saint John Substandard Properties Appeal Committee
  • Past Exam Invigilator, Department of Post-Secondary Education, Training and Labour
  • Past Chair, New Brunswick Wildlife Council
  • Past Member, Assessment and Planning Appeal Board
  • Past Chair (Alternate), Psychiatric Patient Review Board


  • R. Gillis, Q.C., J. Gillis. “New Brunswick” in Campbell, ed, Legal Aspects of Doing Business in North America, 2nd ed. (Juris Legal information, 2011
  • J.D. Roy, J. Gillis, C. Fawcett. What Physicians Need to Know about the New Brunswick Personal Health Information Privacy and Access Act. Telehealth Law, (2010-11) 10.
  • Rodney J. Gillis, Q.C., John Gillis.  Bullet Proofing Your Witness, APTLA – Fundamentals of Litigation Conference, July, 2006.

John C. Gillis

Address90 King Street, Saint John, NB
Telephone(506) 634-3600 ext. 302


NameJessica Pitre
Telephone(506) 634-3600 ext. 570