Evan Barz

Evan Barz

Associate, Litigation

Contact Information


tel: 416.862.4209



Evan is a member of Osler’s Regulatory, Indigenous and Environmental group, and is a member of Osler’s Litigation Department.

Evan’s regulatory practice involves advising businesses regarding matters related to the environment and environmental laws, including waste diversion, environmental permitting, transportation of dangerous goods, renewable energy projects, contaminated site remediation, toxic substances regulations and general environmental regulatory compliance. He also assists clients through the environmental aspects of commercial transactions, including mergers and acquisitions, land transactions, and debt and equity offerings.

Evan also maintains a commercial litigation and dispute resolution practice with a particular emphasis on environmental and land litigation. He has considerable experience conducting environmental litigation, including civil actions, administrative tribunal proceedings, and defence of prosecutions.  Evan provides advice on land use planning matters and regularly appears before the Ontario Land Tribunal regarding Planning Act appeals.  

He also advises landowners and authorities on expropriations, including advising on expropriation strategy and preparing required documents in accordance with the Ontario Expropriations Act and the Ontario Energy Board Act.

Evan graduated with honours from the J.D. program at the University of Ottawa’s Faculty of Law. He previously obtained an Honours Bachelors of Education degree at Queen’s University and an Honours Bachelor of Arts degree at the University of Ottawa. Prior to joining Osler, he worked as a secondary school teacher in an Ontario school board.

  • Kinder Morgan Canada Limited

    Syndicate of underwriters co-led by CIBC World Markets Inc., Scotia Capital Inc., RBC Dominion Securities Inc. and TD Securities Inc. in connection with the $250 million public offering

  • Wataynikaneyap Power Transmission Project

    A syndicate of lenders in connection with the $1.9 billion Wataynikaneyap Power Transmission Project

    • Advising a world leading construction company in disputes resulting from several projects related to a significant Ontario transit project
    • Representing an Ontario construction company engaged on public infrastructure projects in its insolvency proceedings under the Companies Creditors Arrangement Act
    • Representing a full service Ontario construction company in disputes involving construction liens and trusts
    • An American products distributor regarding cross-border general environmental regulatory compliance
    • Wholesale and retail supplier of agricultural products in its successful defence of a prosecution under provincial pesticides legislation
    • A land developer in a complaint to the Ontario Energy Board regarding a breach of an electricity distributor’s distribution obligations
    • A Canadian corporation in its defence of regulatory or quasi-criminal charges
  • Find More

  • Chambers Canada: Canada’s Leading Lawyers for Business: Recognized in Environmental Law

  • Law Help Ontario, Duty Counsel Volunteer 

  • Law Society of Upper Canada
  • Ontario Bar Association
  • Canadian Bar Association