Natalie D. Kolos


[email protected]

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Natalie has appeared as lead counsel at trials and appeals at all levels of court in Ontario and practises in civil litigation, including:

  • Insurance law;
  • Municipal and police liability;
  • Occupiers' liability;
  • Defamation claims;
  • Public authority litigation; and
  • Tort litigation for large institutional clients and public sector organizations.

She advises and defends municipalities and other public sector clients on negligence actions including:

  • Claims for property damage;
  • Non-repair of roadways;
  • Sidewalks and private property;
  • Motor vehicle accidents; and
  • Water and sewage systems.


  • Acted for a school board in successfully responding to two applications for judicial review which alleged the applicants' rights to freedom of expression were infringed: Burjoski v. Waterloo Region District School Board, 2023 ONSC 6506 and Ramsay v. Waterloo District School Board, 2023 ONSC 6508
  • Successfully obtained a trial judgment dismissing a claim alleging negligent investigation, malicious prosecution and breach of Charter claim against a police service and investigating officers: McCormack v. Evans, 2023 ONSC 4340
  • Acted for a municipality in a summary judgment motion to dismiss a claim for failure to comply with the 10-day notice requirement: Psaila v. Kapsalis and City of Toronto, 2021 ONSC 1308, aff'd 2022 ONCA 37.
  • Acted for defendants in defamation actions in which successful anti-SLAPP motions were brought to dismiss the claims: Hotspot Auto Parts v. Thompson, 2022 ONSC 3637; Mondal v. Evans-Bitten, 2022 ONSC 809, aff'd 2023 ONCA 523; and Volpe v. Wong-Tam, 2022 ONSC 3106
  • Successfully appealed a refusal to grant summary judgment in a claim alleging negligent investigation against police: G.S. v. Toronto Police Services Board, 2022 ONSC 3621.
  • Brought a successful Rule 21 motion on behalf of insurance broker defendants confirming pleadings were an abuse of process and barred by res judicata: National Industries Inc. v. Kirkwood, 2022 ONSC 937, aff'd 2023 ONCA 63
  • Successfully had a claim dismissed against police defendants alleging negligent investigation and defamation: Supreme Auto Group Inc. v. Chief William Blair, 2020 ONSC 1223

Beyond our Walls

Professional Involvement

  • Member, Ontario Bar Association
  • Member, The Advocates' Society

Awards & Recognitions

  • Recognized in the 2022 edition of Lexpert Special Edition: Litigation.
  • Recognized in the 2022 edition of The Canadian Legal Lexpert Directory (Litigation - Commercial Insurance)

Bar Admission & Education

  • Ontario, 2011
  • LLB, Faculté de droit Osgoode Hall de l'Université York, 2010
  • BA, Université de Western Ontario, 2007