Casey Halladay

Casey, with a distinguished academic background from the University of Ottawa and Harvard Law School, has emerged as a formidable force in the realm of competition law, marked by his bar admissions in Ontario, New York, and as a Solicitor in England and Wales. His expertise spans a broad spectrum, including competition/antitrust and foreign investment, competition litigation, dispute resolution, white-collar defense, investigations, and class actions, making him a vital asset to clients navigating complex legal landscapes in retail, consumer markets, and across US, international, and Japanese markets.

Renowned for his creative solutions to intricate legal challenges, Casey's approach is characterized by a blend of passionate advocacy and analytical precision, always with a keen eye on pragmatic, business-centric outcomes. His reputation as one of Canada's leading competition lawyers is built on a solid foundation of experience with top firms in Toronto, Washington, and London, where he honed his skills in merger control, cartel defense, unilateral conduct, and competition litigation.

Casey's accolades in cartel defense are particularly noteworthy, having defended clients in over 15 Competition Bureau criminal investigations, including landmark cases that set new precedents. His strategic prowess is also evident in his defense of competition class actions, where his leadership in coordinating national defense strategies has led to striking out claims, defeating certification, and negotiating successful discontinuances for his clients.

In the realm of merger control, Casey's advisory role on the Competition Act treatment of over 200 transactions demonstrates his critical role in securing antitrust clearance for industry-transforming deals. His international experience, including significant Phase II matters in Europe and the United States, along with coordinating global merger clearances, underscores his comprehensive understanding of global competition law.

Casey's scholarly contributions, including his LLM paper being a finalist in the Swope Antitrust Writing Competition, reflect his deep engagement with the theoretical underpinnings of competition law. His leadership roles within the ABA Section of Antitrust Law, including serving on its governing Council, and his recognition by leading legal directories, further attest to his esteemed position in the field.

Fluent in multiple languages, Casey's global perspective and linguistic skills enhance his ability to navigate international legal environments, offering clients a unique advantage in complex cross-border matters. Recognized by Chambers Global, Chambers Canada, and The Canadian Legal Lexpert Directory as a leading lawyer in competition/antitrust law, Casey's blend of legal acumen, strategic insight, and dedication to client success sets him apart as a distinguished practitioner in the competitive legal landscape.