Is expert evidence a necessity in assisting the trier of fact?
Ontario, Canada
The following excerpt is from Stetson Oil & Gas Ltd. v. Stifel Nicolaus Canada Inc., 2013 ONSC 1300 (CanLII):
In determining whether expert evidence is a necessity in assisting the trier of fact, what is required is that the opinion be necessary in the sense that it provides information which is likely to be outside the experience and knowledge of a judge or jury. See R v. Mohan at para. 26.
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