Prior to being appointed Superior Court Justice he was a partner at Eberts Symes Street Corbett & Pinto where he specialized in the area of civil litigation.
According to BNA Act (1867), S.93 Catholic schools in Ontario were guaranteed special protections to operate according to their religious beliefs free of governmental interference.
Mr Corbett argued that the school, which received public funding, was obligated to obey laws outlawing discrimination, including the Canadian Charter of Rights and Freedoms.
In 2005, 2 years after David Corbett was appointed Canadian Superior Justice, Mr Hall dropped his pending court case.
Director Larry Peloso created a one-hour documentary on the case entitled Prom Fight: The Marc Hall Story.