Calling The Treating Experts Witness: Concerns and Considerations

Thomson Rogers personal injury lawyers Sloan Mandel and Deanna Gilbert presented at the Ontario Bar Association (OBA) Professional Development – Anatomy of a Trial: Demonstrations and Debriefs from May 10-11, 2018, on “Calling The Treating Experts Witness: Concerns and Considerations.”

The presentation focused on the following themes and topics:

• The Push For Impartiality
• The Court As Gatekeeper
• The Treating Expert & The Debate Over Impartiality
• The Scope Of The Treating Expert’s Testimony
• Pre-Trial Considerations Re: Treating Experts
• Reports
• Oral Testimony
• Intra-Trial Considerations Re: Treating Experts
• Proving The Treating Expert’s Credentials
• Post-Trial Considerations Re: Treating Experts
• +more

On August 6, 2025, the article was cited in R. v. Lam, 2025 ONSC 4541 (CanLII) (see paragraph 9).

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