Éric Vallières

Éric Vallières is a leading Canadian aviation lawyer and co-leader of McMillan’s Aviation Group, known for his strong expertise in both aviation and competition law. His broad litigation practice includes class actions, international arbitration, and cross‑border disputes, and he has served as lead counsel for multiple Fortune 500 companies in antitrust, product liability, misleading advertising, and consumer protection matters. He regularly appears before all levels of Québec courts, the Federal Court, the Supreme Court of Canada, and various specialized tribunals.

Éric has played a key role in several landmark Supreme Court of Canada cases, including matters involving indirect purchaser rights, competition law powers, and bankruptcy-related tax issues. His international arbitration work spans major bodies such as the ICC, ITU, ICAO, UNCITRAL, and IATA’s Travel Agency Commissioner.
He has acted for IATA in significant proceedings involving Swissair, Mexicana, CStar, Instrubel, and NAV CANADA, and advises a wide range of aviation clients, including Cathay Pacific, Turkish Airlines, American Airlines, Air France‑KLM, and Corsair.

Beyond aviation, Éric serves clients in real estate, banking, public markets, telecommunications, media, and entertainment. His competition law work includes advising on alleged price‑fixing, potential abuses of dominance, merger disputes, and compliance issues. He has also represented real estate organizations and brokers in commercial and disciplinary matters, including appearances before parliamentary commissions.

Éric is a frequent speaker in Canada and internationally on class actions, aviation law, commercial litigation, antitrust, and bankruptcy.