Lauren Tomasich

Lauren Tomasich

Deputy Co-Chair

Lauren is a Partner in the Osler litigation group and Co-Chair of the International Commercial Arbitration and ADR Group. Her corporate litigation practice has particular emphasis on class action defence, securities litigation, regulatory investigations and international commercial arbitration. She also regularly advises emerging and high growth companies facing unique issues in the technology space.

Lauren represents various companies facing class actions in a variety of circumstances, including claims of environmental property damages, securities, product liability and pensions and benefits. She has experience at all stages of a class proceeding, including certification motions, various procedural motions, a large common issues trial and appeal, and costs proceedings.

Lauren’s securities litigation practice involves expedited hearings before the Ontario Securities Commission, oppression claims and corporate governance matters. In the regulatory sphere, Lauren has experience with securities regulatory investigations involving multiple Canadian jurisdictions, and also in the cross-border context.

Lauren’s international commercial arbitration work has been primarily focused on the mining and resource industries. Lauren has experience with arbitrations under a variety of procedural rules, including as well as in ad hoc arbitrations.

Lauren has appeared at all levels of court in Ontario, and has spent some time with Osler’s Calgary office, during which time she appeared before the Alberta courts.