Katelyn Johnstone

T 416 956 5092 F 416 598 3730
E kjohnstone@lolg.ca

Katelyn is developing a broad litigation practice. Before joining Lax O’Sullivan, Katelyn clerked at the British Columbia Court of Appeal and split her summer between a leading New York firm and a leading Toronto firm. 

Katelyn graduated from the University of Toronto Faculty of Law in 2021, where she also completed a Certificate in Aboriginal Legal Studies. She was an active mooter in law school, a member of the Moot Court Committee, and both a participant and coach for the Laskin Moot. Katelyn completed her undergraduate studies at McMaster University in the Arts and Science program with a combination in English and Cultural Studies.


  • Called to the Ontario Bar, 2022
  • Clerkship: British Columbia Court of Appeal
  • J.D., University of Toronto Faculty of Law, 2021
  • Honours B.A. in Arts & Science and English & Cultural Studies, McMaster University, 2018