This week the Ontario Court of Appeal released a much awaited decision in the case of Westerhof v. Gee Estate. The appeal raised the question of whether or not the Rules of Civil Procedure allowed only experts engaged by or on behalf of a party to provide opinion evidence for a case; OR whether the Rules ought to be construed more broadly such as allowing ALL witnesses with special knowledge to provide opinion evidence. This later group is much broader broader and could include treating doctors (family doctors) who have not been formally retained by either party to the litigation to provide their opinion evidence.
In order to better understand this case, it’s important to understand what happened in 2010. That year, the Rules of Civil Procedure were amended to create Rule 53.03 which set out requirements, and also set out that an expert must sign a specific form called an Acknowledgement of Expert’s Duty Form (Form #53). Continue reading →