I disagree. While as a general rule a determination of professional negligence requires expert evidence, external indicators of reasonable conduct, such as custom, industry practice, and statutory or regulatory standard, may be used to discover the standard: Krawchuk v. Scherbak, 2011 ONCA 352 at paras 131-132.
"The most advanced legal research software ever built."
The above passage should not be considered legal advice. Reliable answers to complex legal questions require comprehensive research memos. To learn more visit www.alexi.com.