Toronto Commercial Litigation Lawyer for Complex Business Disputes
Strategic Advocacy for Complex Business DisputesCross-Border Litigation Between Canada and the USShareholder and Partnership DisputesInternational Arbitration and Commercial Resolution
Trusted Counsel for Canadian and US Businesses and Corporations – Practical, Strategic, and Resolution-Focused
Focused Practice for Commercial and Corporate Litigation
Ruzbeh Hosseini is a commercial litigation lawyer and Partner at Cambridge LLP in Toronto, Ontario. He holds the Qualified Arbitrator (Q.Arb) designation and Canada’s gold-standard credential in dispute resolution. His practice covers complex commercial and business disputes, including breach of contract, shareholder and partnership conflicts, corporate governance disputes, cross-border Canada–US litigation, construction disputes, debt collection and the enforcement of foreign judgments and arbitral awards in Canadian courts. Ruzbeh has appeared before the Ontario Superior Court of Justice and the Ontario Court of Appeal on behalf of businesses and corporations involved in high-stakes commercial disputes.
Partner-level experience. Client-focused results.
About Ruzbeh Hosseini
Ruzbeh Hosseini is a Toronto-based litigation lawyer and partner at Cambridge LLP, leading complex files within the firm’s Business and Cross-Border Litigation Groups. With extensive experience before the Ontario Superior Court of Justice and the Court of Appeal, he is the commercial litigation lawyer businesses and corporations trust with their most critical disputes.
His practice centres on commercial and corporate litigation, shareholder and partnership conflicts, construction disputes, corporate governance disputes and complex contract claims across Canada. As a commercial litigation attorney serving both Canadian and cross-border clients, Ruzbeh brings a practical, strategic approach to every file. As a Qualified Arbitrator (Q.Arb), Ruzbeh brings a practical, strategic, and assertive approach to every file, whether the matter resolves in the courtroom, at mediation, or through arbitration.
What Types of Business Disputes Do You Handle?
Ruzbeh Hosseini handles contract disputes, shareholder and partnership conflicts, corporate governance issues, commercial fraud, construction disputes, debt collection, mortgage enforcement and complex cross-border commercial matters between Canadian and US parties.
Should I Choose Litigation, Mediation, or Arbitration for My Business Dispute?
The right path depends on your contract terms, timelines, costs and desired outcome. Many business disputes benefit from a strategy targeting early resolution, which often favors arbitration or mediation. Ruzbeh Hosseini is a Qualified Arbitrator (Q.Arb) and advises clients on the most practical and cost-effective route for their specific dispute.
What Happens During a First Consultation with Ruzbeh Hosseini?
During the first consultation, Ruzbeh reviews the key facts, documents, risks and options in your dispute. You will leave with a clear preliminary strategy and recommended next step, so you understand your position and what the path forward looks like.
Strategic Insights – Legal Analysis – Expert Commentary
Latest News and Insights on Business Disputes
Timely analysis on commercial litigation, shareholder disputes, cross-border strategy, and the evolving landscape of business law in Canada and the US.
