Canada: Litigation, Mediation & Arbitration

The Federal Court’s June 12, 2026 decision in Minister of National Revenue v KPMG Canada LLP, T-139-26, is a significant ruling on the limits of privilege assertions by third-party tax advisors in the context of CRA audits.

The British Columbia Supreme Court decision in Lewis v. WestJet Airlines Ltd. (2025 BCSC 1565) clarifies the circumstances under which accountants' work may be protected by legal privilege.

The Ontario Superior Court of Justice recently addressed whether written submissions filed by real estate agents in response to regulatory complaints are protected from disclosure in civil litigation.

La Cour suprême du Canada a confirmé que le lieutenant-gouverneur du Nouveau-Brunswick doit être fonctionnellement bilingue, établissant que l'égalité réelle des langues officielles exige...

Lenczner Slaght continues its dominance in Canadian litigation, earning top rankings and prestigious awards while welcoming new talent. The firm's Commercial List Year in Review offers comprehensive data analysis spanning five years of decisions, examining critical developments in insolvency, shareholder disputes, and securities law.

Lenczner Slaght continues its dominance in Canadian litigation, earning top rankings and prestigious awards while welcoming new talent.

The Canada Revenue Agency possesses extraordinarily broad collection powers when it comes to unremitted GST/HST, even while taxpayer appeals remain pending before the Tax Court of Canada. A recent TCC decision reveals the stark limitations on judicial intervention in CRA collection activities and highlights critical differences between GST/HST and income tax collection mechanisms. Understanding these distinctions proves essential for taxpayers facing GST/HST assessments, as the window for effective legal in

In Resler v. Anglin, 2026 SCC 23, the Supreme Court of Canada held that an unsuccessful provincial election candidate may continue his civil action in misfeasance in public office against Alberta’s Chief Electoral...

The U.S. tariff refund process faces a critical legal challenge as the Trump Administration appeals a court order requiring refunds of approximately US$166 billion in duties collected under now-invalidated emergency tariffs.

In January 2025, former Federal Minister of Health, the Honourable Mark Holland, released a Letter to provinces and territories on the importance of upholding the Canada Health Act – 2025. We wrote about it here.

In Sienna v. Duckett, 2025 ONCA 867, the Court of Appeal allowed the plaintiffs leave to amend their claim against the Attorney General of Canada relating...

Plea-bargain agreements form an integral part of our criminal justice system as they aide the amicable resolution of criminal cases. These agreements are not foreign in labour matters...