Stephan H. Trihey

Stephan H. Trihey is a seasoned partner with over 25 years of experience in resolving complex commercial and civil disputes. Representing a diverse clientele of individuals, small and medium-sized businesses, and national and international corporations, he has appeared before all levels of Quebec courts, the Federal Court of Canada, and arbitration tribunals. His extensive litigation experience allows him to provide strategic guidance at every stage of the dispute resolution process.

Recognized nationally for his contributions to the legal profession, Stephan is a member of several prestigious professional associations and holds the Trust and Estate Practitioner (TEP) designation. He is consistently ranked in Benchmark Litigation Canada for commercial litigation and in Best Lawyers for construction law. A sought-after speaker and writer, Stephan frequently addresses topics such as construction and real estate disputes, shareholder disputes, extraordinary remedies, and probate litigation.

Stephan holds a law degree from the Université de Montréal and has completed additional training in securities. Actively involved in the legal community, he regularly participates in conferences and contributes to legal publications. His dedication to mentoring up-and-coming professionals and supporting his peers is a testament to his enduring commitment to the advancement of the legal profession.

Updated Jan 2026

• Guardian Industries, a Koch company based in Auburn Hills,  Michigan, in a multi-million dollar bankruptcy and shareholder oppression dispute involving multiple parties before the Superior Court and the Court of Appeal of Quebec.
  
  
• Savage family of companies, headquartered in Utah, in connection with the recognition and enforcement of an arbitration award involving multi-jurisdiction and international law issues.
  
  
• A multinational steel and mining company before the International Court of Arbitration seated in New York City, regarding a contractual dispute valued at over $500 million relating to the performance of equipment procured at an iron ore facility in Northern Quebec.
  
  
• A prominent Canadian commercial real estate and property management company with assets around the globe in various commercial real estate, bankruptcy, injunction and construction related matters.

• Competition/antitrust
• Construction and real estate
• Insurance

• LL.B., Université de Montréal, 1997
• BSc., Université de Montréal, 1994
• Canadian Securities Course, Canadian Securities Institute (CSI)

• Bar of Québec
• Canadian Bar Association
• Lord Reading Law Society
• The Advocates’ Society