Arlen’s practice focuses on business litigation, with an emphasis on administrative and corporate commercial law. He regularly appears as counsel before all levels of court in Ontario, in trial, judicial review and appellate matters, and conducts regulatory hearings before various administrative tribunals. He also handles commercial arbitrations and mediations.

As part of his administrative law practice, Arlen has extensive experience handling significant regulatory hearings in the energy industry, including relating to infrastructure projects. This includes having conducted many hearings as lead counsel before the Ontario Environmental Review Tribunal regarding wind and solar energy projects and related judicial review and appeal proceedings.

Arlen has recently been involved in pending proceedings for electricity utilities before the Ontario Energy Board. In addition, he has managed hearings before a variety of other regulatory tribunals across a number of industries, including in licensing and disciplinary tribunal contexts.