Lauren Harper

Lauren Harper

Associate, Litigation

Contact Information

tel: 416.862.4288



Bar Admission

Ontario, 2016


University of Toronto, J.D.

Queen’s University, B. Sc. (Honours) Life Sciences





Lauren maintains a general civil and commercial litigation practice, with an emphasis on corporate and securities litigation, class action defence and commercial arbitration.

Lauren has significant trial and arbitration experience, including domestic, international, institutional and ad hoc arbitrations. She has experience defending privacy, securities, consumer, and product liability class actions. Her practice also includes a wide variety of corporate and commercial litigation, including, shareholder disputes, corporate governance and oppression claims. Lauren has represented clients in a broad range of industries including, financial institutions and mining, technology, automotive and pharmaceutical companies.

Prior to joining Osler as an articling student, Lauren obtained her J.D. at the University of Toronto.  

  • Trilogy

    Trilogy in its take-private of Indigo Books & Music

  • Aimia Inc.

    Lead investor in its strategic placement in Aimia

  • Facebook, Inc. in the successful dismissal of the plaintiff’s appeal from an order denying certification of a proposed class action

    GitHub Inc. in its class proceeding concerning an alleged data breach involving the information of credit card applicants

    Facebook, Inc. in the successful dismissal of certification of a proposed class action

    BP p.l.c. in the case of Kaynes v BP

    Husky Energy Inc. in its $23.6 billion agreement with Cenovus Energy Inc. to create a new integrated energy leader.

    A global mining company in a successful International Chamber of Commerce (ICC) arbitration in Tokyo, Japan, against a Japanese company seeking to rely on a force majeure clause in relation to the Tōhoku earthquake and tsunami, with nearly $1 billion in dispute.

    Dundee Kilmer Developments Limited Partnership, Dundee Realty Corporation and related companies in a high-stakes dispute with Catalyst.

    Mylan Pharmaceuticals ULC in defending proposed product liability class actions and other litigation across Canada.

    Teva Canada in defending proposed product liability class actions and other litigation across Canada.

    Shoppers Drug Mart Inc. in its defence of a franchise class action brought by two of its Associate-owners representing all Associates in Shoppers Drug Mart stores outside of Quebec.

  • Find More

  • Stephanie Fleur Couzin Medal in Mooting (2015)
  • Gordon Cressy Student Leadership Award (2015)
  • First Place Factums & Second Place Team Overall, Canadian Corporate Securities Moot (2014)

  • University of Toronto Moot Court Committee, Executive Member (2014-2015)
  • University of Toronto Students’ Law Society, Vice President (2014-15) 
  • Advocates for Injured Workers, Caseworker (2012-14)


  • Law Society of Ontario