Angus has been active in class action defence work since 1997 representing large corporations in the consumer and health science products, securities, power generation, manufacturing and educational sectors. Over the years he has acted for the Trustee of the Estate of Bre-X Minerals Ltd., the University of Toronto, Ontario Power Generation, Novopharm, BMW Canada, Aurelian Resources, Kaba Ilco, Hitachi-LG, Samsung, Husqvarna Canada, Tokai Rika and various school boards in a wide variety of different class actions.

Mr McKinnon has appeared before all levels of court in Ontario and before the Supreme Court of Canada. In addition to those class action matters that have come before the Courts, Mr. McKinnon regularly advises clients in respect of threatened class action proceedings. He has advised a prominent national franchisor that was threatened with a class action by its franchisees, foreign lenders considering loans to companies targeted by securities class actions and investors and shareholders in companies threatened by class actions.