Robert Wisner

McMillan - Ontario


Brookfield Place, Suite 4400
181 Bay Street
Toronto, ON, M5J 2T3

+1 416 865 7127

Litigation Star



Practice area:


Robert Wisner is a litigation partner at McMillan LLP and its co-leader, International Arbitration & Cross-Border Litigation. His practice focuses on international dispute resolution and corporate litigation.  Robert has argued numerous cases before arbitral tribunals seated in venues throughout Canada, the United States, Asia and Europe.  He has also appeared at all levels of court in Ontario and other Canadian jurisdictions. Many of Robert’s cases have involved matters of international law,including disputes relating to foreign investment protection, the jurisdiction of Canadian courts and the enforcement of arbitral awards and foreign judgments. He has also handled a wide range of disputes relating to corporate governance, shareholder remedies or complex commercial contracts, including M&A, joint venture, shareholder, supply and services agreements. Legal directories have consistently recognized Robert’s work in international arbitration, cross-border business litigation and disputes relating to the global mining sector.  Many of Robert's clients are involved in the mining, energy, aviation, infrastructure or telecommunications sectors.  He has assisted clients seeking litigation financing as well as leading litigation funders conducting due diligence on potential claims.

Updated March 2022