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Kaeleigh Kuzma

Kaeleigh Kuzma

Partner, Competition/Antitrust & Foreign Investment

Key Contact: Competition/Antitrust

Contact Information

tel: 416.862.6407



Kaeleigh’s practice involves analyzing the competitive implications of mergers, strategic alliances and joint ventures; the preparation of pre-merger filings under the Competition Act; providing advice on the conspiracy and other criminal and civil provisions of the Competition Act, including matters relating to domestic and international investigations and prosecutions, undertaking and managing internal investigations, and assisting companies in real-time to respond to investigations by the Competition Bureau and other regulators; assessing and developing competition law compliance programs; and advising on foreign investment matters under the Investment Canada Act. Kaeleigh represents clients across a broad range of industries including: energy and mining; manufacturing; entertainment; and real estate.

  • Entertainment One

    Entertainment One in its US$4 billion announced acquisition by Hasbro

  • Concert Infrastructure Ltd

    Concert Infrastructure Purchase of Majority Interest in Iqaluit Airport

  • Intelex Technologies

    Intelex in its $570 million acquisition by Industrial Scientific

  • TD Bank

    TD Bank in connection with Air Canada’s acquisition of Aimia Canada

  • Office Depot

    Office Depot Inc. in its US$1 billion acquisition of THL Portfolio Holdings Corp.

  • Husky Energy Inc.

    Husky Energy Inc. in its proposed acquisition of MEG Energy Corp. for $6.4 billion

  • Mitel Networks Corporation

    Mitel in its sale to affiliates of Searchlight Capital Partners for US$2 billion

  • Corus Entertainment Inc.

    Corus Entertainment Inc. in the proposed sale of specialty channels to Bell Media Inc. for approximately $200 million

  • Whistler Blackcomb Holdings Inc.

    Whistler Blackcomb Holdings Inc. in its $1.4 billion acquisition by Vail Resorts

  • Constellation Brands, Inc.

    Constellation Brands, Inc. in the sale of its Canadian wine business to Ontario Teachers’ Pension Plan for approximately $1.03 billion

  • China National Chemical Corporation

    ChemChina in connection with its US$43 billion acquisition of Syngenta AG.

    • TELUS Corporation in connection with its proposed acquisition of Manitoba assets from Bell upon closing of the Bell-MTS transaction
    • iCON Infrastructure in its agreement to acquire Capstone Infrastructure for $480 million
    • Procter & Gamble Inc. in its US $12.5 billion agreement to merge part of its fragrances, hair colour and colour cosmetics business with Coty Inc.
    • The ADT Corporation in its proposed US $7 billion sale to Apollo
    • Canadian Oil Sands Limited in its response to Suncor Energy Inc’s unsolicited takeover bid valued at $6.6 billion
    • Apax Partners/Azelis Group in connection with the acquisition of specialty chemical distributor Koda Distribution Group
    • Panasonic Healthcare in connection with its proposed US$1.1 billion acquisition of Bayer’s diabetes care business
    • TPG Capital L.P. in its acquisition of a majority stake in Cirque du Soleil
    • Tim Hortons Inc. in its $12.5 billion merger with Burger King, which will create a new global powerhouse restaurant company based in Canada
    • Manulife Financial Corporation in its $4-billion acquisition of the Canadian-based operations of Standard Life plc. The deal combines Manulife, one of the largest insurance companies in the world, and Standard Life Canada, the country’s fifth-largest insurer
    • Canadian counsel to JPMorgan Chase & Co. in the sale of its physical commodities business to Mercuria Energy Group Limited, a global energy and commodities trading company, for $3.5 billion
    • Devon Canada in the disposition of some of its Canadian conventional assets to Canadian Natural Resources Limited for $3.125 billion
    • Entertainment One in its acquisition of Alliance Films
    • Canadian Bankers Association in an application by Commissioner of Competition for an order under section 76 of the Competition Act against Visa Canada Corporation and MasterCard International Incorporated
    • Chartwell Seniors Housing REIT in its proposed acquisition of a seniors housing portfolio in a 50/50 co-ownership with Health Care REIT
    • The London Stock Exchange in its proposed merger with TMX Group
    • Winsway Coking Coal Holdings Ltd. and Marubeni Corporation in their proposed $1 billion acquisition of Grande Cache Coal Corp.
    • Walter Energy in its proposed $3.3 billion acquisition of Western Coal Corp.
    • Canwest Global Communications in connection with the sale of each of its broadcasting businesses and its newspaper and publishing businesses
    • ConocoPhillips in the sale of its interest in the Syncrude joint venture to Sinopec
    • World Color Press Inc. in its $1.4 billion business combination with Quad/Graphics, Inc.
    • NOVA Chemicals Corp. in its US$2.3 billion acquisition by International Petroleum Investment Company (Abu Dhabi)
  • Find More

  • Chambers: Ranked in Chambers Canada: Canada’s Leading Lawyers for Business: Competition/Anti-trust (Nationwide)
  • Legal 500: Ranked The Legal 500: Next Generation Lawyer, Competition and Antitrust
  • Who's Who Legal: Ranked in Who’s Who Legal - Competition - Future Leaders
    • “Osler, Hoskin & Harcourt’s Kaeleigh Kuzma is “a highly respected practitioner” with a well-developed practice focusing on the competition law aspects of mergers, strategic alliances and joint ventures.”

  • "The Growing Role of Data Privacy and Critical Infrastructure Concerns in National Security Reviews", Canadian Bar Association Competition Law Fall Conference

    Moderator, Ottawa, October 16-18, 2019

  • "Making Effective Presentations to the Competition Bureau", Canadian Bar Association Competition Law Section 2019 Young Lawyers Conference

    Speaker, Ottawa, April 25, 2019

  • CBA Competition Law Fall Conference

    Speaker, Ottawa, September 27 - 28, 2018

  • Updates on Competition Law

    Speaker, Calgary , June 20, 2018

  • Canadian Bar Association, Competition Law Section, Vice-Chair of the Reviewable Matters/Unilateral Conduct Committee
  • Ontario Bar Association
  • American Bar Association, Antitrust Section
  • Law Society of Ontario
  • Women’s White Collar Defense Association

  • “Making Effective Presentations to the Competition Bureau”, Canadian Bar Association Competition Law Section 2019 Young Lawyers Conference, April 25, 2019.
  • Participating as a Judge in the Canadian Competition Law Moot 2019.


  • Fundamentals of Canadian Competition Law (3rd Ed), Chapter 15: Powers of Investigation, Canadian Bar Association, 2015, co-authored with Michelle Lally (Osler).
  • The Essentials of Merger Review (Canada Chapter), American Bar Association International Law Section, 2013, co-authored with Shuli Rodal (Osler).
  • The Treatment of Vertical Price Restraints under the Competition Act: A Retrospective, Canadian Competition Law Review, Vol. 25, no. 2, co-authored with Michelle Lally (Osler).
  • Recent Developments in Merger Review, Canadian Competition Law Review, Vol. 25, no. 1 Summer 2012, co-authored with Shuli Rodal (Osler).
  • Canada’s Revised Merger Enforcement Guidelines, American Bar Association’s International Antitrust Bulletin, Volume 3, 2011 (co-authored with P. Glossop).
  • Mergers: A Year in Review, 2011 Fall Conference, Canadian Bar Association, Competition Law Section (co-authored with S. Rodal).
  • Commissioner of Competition Initiates Abuse of Dominance Proceeding Against the Canadian Real Estate Association, American Bar Association’s International Antitrust Bulletin, Volume 2, 2010.