Strategic Advocacy for Complex Business DisputesCross-Border LitigationShareholder DisputesInternational Arbitration

Trusted counsel for high-stakes commercial litigation, shareholder disputes, and cross-border enforcement. Practical, strategic, and resolution-focused.

15+ Years Experience

Dedicated to resolving complex legal disputes

Partner at Cambridge LLP

Backed by an award-winning, pre-eminent law firm

Qualified Arbitrator (Q.Arb)

Gold-standard training for strategic resolution

Proven Courtroom Advocate

Appeared before the Ontario Superior Court & Court of Appeal.

Areas of Expertise

A Focused Practice for Complex Disputes

Commercial & Business Litigation

Resolving complex breach of contract issues, joint venture breakdowns, franchisee claims, and other corporate disputes.

Resolving your most complex business disputes

Shareholder & Partnership Disputes

Strategic counsel for partnership conflicts, minority shareholder oppression remedies, and buy-out disputes.

Canada-US litigation & judgment enforcement

Cross-Border & International Disputes

Specialized expertise in enforcing foreign judgments in Canada, international arbitration, and managing Canada-US business litigation.

Protecting your corporate & partnership interests

Construction Litigation

Representing owners, contractors, and suppliers in all facets of construction law, including lien claims, delay disputes, and breach of trust.

Counsel for lien, contract, and delay claims

Partner-Level Experience, Client-Focused Results

About Ruzbeh Hosseini

Ruzbeh Hosseini is a 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, Ruzbeh is the advocate clients trust with their most critical disputes.

His practice is focused on high-stakes commercial litigation, with specific expertise in shareholder/partnership conflicts, construction litigation, and complex contract disputes. As a Qualified Arbitrator (Q.Arb), Ruzbeh provides a practical, strategic, and assertive approach to dispute resolution, whether in the courtroom, mediation, or arbitration.

Learn More About Ruzbeh

Strategic Insights – Legal Analysis – Expert Commentary

latest news & insights

Timely commentary and strategic analysis on the evolving challenges in commercial, cross-border, and shareholder litigation.