Casey W. Halladay

Partner at McCarthy Tétrault LLP

Casey Halladay is distinguished as one of Canada’s leading competition lawyers, offering expertise in merger control, cartel defence, and antitrust litigation. His analytical approach to competition law is unmatched in the Canadian legal landscape, gained through extensive experience with top firms in Toronto, Washington, and London. Recognized globally, he was named one of the world’s top 40 competition lawyers under 40 (Global Competition Review, 2012) and one of Canada’s top 40 lawyers under 40 (Lexpert, 2012). Casey was a two-time finalist for the prestigious GCR worldwide “Lawyer of the Year – Under 40” Award (2014, 2013). His LLM thesis from Harvard Law School on competitor collaborations under the Sherman Antitrust Act earned recognition as a runner-up in the international Swope Antitrust Writing Competition.

Casey is admitted to practice law in Ontario, New York, and England & Wales. He maintains an active role in the Leadership of the ABA Section of Antitrust Law, notably serving on the governing Council of the section.

Year Call to Bar: 2002

Phone: (416) 601-4348

Email: [email protected]

This listing has not been claimed yet. Dear Casey W. Halladay, claim your free listing today to showcase your expertise, enhance your visibility, and attract more clients. Add detailed information, media, and client reviews while benefiting from valuable analytics and SEO advantages!

if you are Casey W. Halladay Claim your free listing today to manage your profile, showcase your expertise, boost visibility, and attract more clients with valuable SEO tools and analytics!