Stieber Berlach
Douglas Treilhard
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Douglas Treilhard

Tel: 416.594.4693

Whether in court or in settlement negotiations, Douglas fashions meticulous analysis into forceful advocacy.

Biography

DOUGLAS TREILHARD is a versatile civil litigator whose practice encompasses personal injury defence, class actions, professional liability and all aspects of insurance law. He has appeared before all levels of court in Ontario.

Whether in court or in settlement negotiations, Douglas fashions meticulous analysis into forceful advocacy. Clients appreciate his responsiveness, clear advice and single-minded dedication to their interests.

Douglas joined Stieber Berlach after practising for several years in each of Ottawa and Thunder Bay and articling as a judicial law clerk for the Superior Court of Justice in Toronto. In law school, he was an editor for the Queen’s Law Journal, a student caseworker with Queen’s Legal Aid, a research assistant for two professors, and the recipient of numerous academic awards.

Representative Work

  • Successful defence of evidentiary motion largely turning on hearsay issues during multi-week trial of industrial nuisance claim: Tri-Star Disaster Recovery Inc v Triple M Metal Inc, 2026 ONSC 2335
  • Successful defence of real estate appraisers in motion to certify class action against them: McDowell v Fortress Real Capital Inc, 2026 ONSC 1147
  • Successful defence of right to trial by jury in personal injury action: Emamnazar v Reid, 2026 ONSC 2062
  • Successful defence of accident benefit insurer’s entitlement to separate trial in context of multiple tort actions commenced by same claimant: Gandara v Aviva Canada Inc, 2023 ONSC 2006
  • Successful discovery motions compelling personal injury plaintiff to produce additional documents, answer refused questions and attend further examination for discovery: King v Intact, 2017 ONSC 1647; Issa v Kesserwani, 2019 ONSC 981; Issa v Kesserwani, 2021 ONSC 6314
  • Successful defence of homeowner in occupiers’ liability case turning on whether occupier having any duty to supervise or provide safety equipment to tradesmen performing work on the premises: Osmond v Watkins, 2017 ONSC 5729 (aff’d 2018 ONCA 386)

Publications

  • “Wrongly Decided: The Court of Appeal Undermines Civil Juries in Louis v Poitras”, May 2, 2021 (CanLII)
  • “Letter: Article on Prejudgment Interest Missed a Key Point”, November 9, 2015 (Law Times)

Education

  • Queen’s University, J.D., 2013
  • Queen’s University, B.A. (Hons), 2010
  • Admitted to the Ontario Bar, 2014