Lauren Tomasich

PartnerOsler, Hoskin & Harcourt LLPLitigation & Dispute Resolution

Lauren Tomasich is a partner in the Osler Litigation Group and a key contact for the Domestic and International Arbitration Group. Her commercial litigation practice has a particular focus on commercial arbitration, corporate and securities litigation and white-collar defence and enforcement proceedings. Lauren has significant experience with domestic and international arbitrations under a variety of procedural rules, including International Chamber of Commerce (ICC), London Court of International Arbitration (LCIA) and multiple ad hoc arbitrations. She also designs bespoke dispute resolution provisions in commercial agreements to facilitate effective dispute resolution at the front-end of a deal, and crafts procedural rules in ad hoc arbitrations to deal with unique circumstances.

Lauren is a partner in the Osler litigation group and a key contact for the Domestic and International Arbitration Group. Her commercial litigation practice has a particular focus on commercial arbitration, corporate and securities litigation and white-collar defence and enforcement proceedings. Lauren is also a member of the Osler Risk Management and Crisis Response Group, and has acted on teams conducting internal investigations, as well as in managing cross-border regulatory investigations involving parallel class actions.

Lauren has significant experience with domestic and international arbitrations under a variety of procedural rules, including International Chamber of Commerce (“ICC”), London Court of International Arbitration (“LCIA”) and multiple ad hoc arbitrations. She has acted on numerous significant and highly confidential arbitrations in the construction, infrastructure and mining and resource industries.

Lauren has a particular interest in leveraging arbitration procedure to have disputes adjudicated effectively with a view to strategic and business objectives. She designs bespoke dispute resolution provisions in commercial agreements to facilitate effective dispute resolution at the front-end of a deal, and crafts procedural rules in ad hoc arbitrations to deal with unique circumstances. For example, she has acted on matters where she has designed and negotiated unique arbitration procedures, including a highly confidential dispute arising from a private M&A transaction and an emergency arbitration for an online technology learning company. She is also very active in the arbitration community, sitting as the Chair of the Advocates’ Society Arbitration and Mediation practice group, on the board of the ADR Institute of Canada (“ADRIC”) and is a member of the ICC Canada Arbitration Committee.

Education

  • Osgoode Hall Law School, LL.B., 2007
  • University of Calgary, B.A. (with distinction), 2004

Bar Admission

  • Ontario, 2008

Experience

  • Vale (Inco) Limited in a class action trial, and the successful appeal of the trial decision (leave to appeal to the Supreme Court of Canada denied). Lauren also acted on various motions before, during and after the common issues trial including a decertification motion, a motion to disqualify one of the plaintiff’s expert witnesses, and a motion to amend the common issues subsequent to the close of trial
  • A large international mining company in an ad hoc arbitration in respect of various claims arising from the construction of a large-scale mineral processing facility
  • A large North American industrial chemical and services supplier in a confidential, international ad hoc arbitration in respect of a commercial dispute
  • The Canada Mortgage and Housing Corporation in class proceedings dealing with pension surplus and plan amendments, involving complex procedural issues
  • Magna International Inc. in opposing the application before the Ontario Securities Commission, brought by Staff of the OSC and intervening institutional shareholders in opposition to the company’s dual-class share capital reorganization
  • A CEO of a Canadian energy company in a joint investigation by the US Securities Exchange Commission and the Alberta Securities Commission, and related class proceedings
  • An online educational service provider in a confidential emergency ad hoc arbitration pertaining to a potential business critical service outage
  • An international energy company in a dispute between joint venture partners under the London Court of International Arbitration (LCIA) Rules

Associations

  • Canadian Bar Association
  • Ontario Bar Association
  • The Advocates’ Society (Arbitration and Mediation Practice Group Chair)
  • ADR Institute of Canada (ADRIC) Board member
  • American Bar Association
  • Young Canadian Arbitration Practitioners (YCAP)
  • Women’s White Collar Defense Association – Toronto Chapter Secretary