Kaeleigh Kuzma

Kaeleigh Kuzma

Partner, Competition/Antitrust and Foreign Investment

Key Contact: Competition/Antitrust

Contact Information


tel: 403.260.7046



Kaeleigh is a Partner in Osler’s highly regarded Competition and Foreign Investment Group. Kaeleigh has extensive experience in all aspects of competition law and has advised on many of Canada’s most high profile and complex transactions. Kaeleigh’s competition law expertise also includes matters relating to strategic alliances and joint ventures, abuse of dominance, pricing and distribution, marketing and advertising, and criminal conspiracy and bid rigging matters. Kaeleigh has experience in conducting internal investigations and assisting clients respond in real-time to investigations by the Competition Bureau and other agencies. Kaeleigh represents clients across a broad range of industries, including energy and mining, manufacturing, entertainment, consumer products, transportation, technology, telecommunications and real estate.

Kaeleigh also provides strategic advice relating to foreign investment matters, including net benefit and national security reviews under the Investment Canada Act.

Kaeleigh is active in the National Competition Law and Foreign Investment Review Section of the Canadian Bar Association. Kaeleigh is the current vice-chair of the Foreign Investment Review Committee and is the past Chair of the Reviewable Matters/Unilateral Conduct Committee, the Mergers Committee, the Legislation and Competition Policy Committee and the Young Lawyers Committee. Kaeleigh is also past Chair of the Canadian Bar Association Competition Law Spring Symposium.

Kaeleigh is recognized by Chambers Canada, Who's Who Legal, Best Lawyers in Canada and The Legal 500 publications.

  • ConocoPhillips

    ConocoPhillips in its acquisition of the remaining Surmont interest from TotalEnergies EP Canada Ltd. for approximately $3.7 billion

  • Loopio Inc.

    Loopio Inc. in its acquisition of Avnio

  • WeCommerce Holdings

    WeCommerce in its $962 million business combination with Tiny Capital

  • M3-Brigade Acquisition III Corp.

    M3-Brigade Acquisition III Corp. in its US$950 million business combination with Greenfire Resources Inc.

  • Rocky Mountain Equipment

    Rocky Mountain Equipment in its acquisition of Robertson Implements

  • Energy Transfer Canada

    Energy Transfer Canada in connection with Pembina Pipeline Corporation and KKR’s joint venture to merge Western Canadian processing assets

  • Angus Systems

    Angus Systems in its acquisition by MRI Software

  • Goldman Sachs Asset Management

    Goldman Sachs Asset Management in its US$250 million investment in Hydrostor

  • Kira Talent

    Kira Talent in its majority stake investment by ETS

  • Suncor Energy Inc.

    Suncor Energy Inc. in connection with the formation of Astisiy Limited Partnership to acquire TC Energy’s interest in the Northern Courier Pipeline Limited Partnership

  • Spire Global

    Spire Global in its $204.2 million acquisition of exactEarth

  • Domtar

    Domtar in its $3 billion acquisition by Paper Excellence

  • Loopio Inc.

    Loopio in its US$200 million strategic investment

  • Battle North Gold Corporation

    Battle North Gold Corporation in its acquisition by Evolution Mining Limited

  • The Estée Lauder Companies Inc.

    The Estée Lauder Companies Inc. in its agreement to increase its ownership in DECIEM Beauty Group Inc.

  • The Manufacturers Life Insurance Company

    Manulife Financial in the sale of its subsidiary NAL Resources Limited to Whitecap Resources Inc.

  • 2223890 Alberta Ltd.

    2223890 Alberta Ltd. in its $195 million go-private transaction with Rocky Mountain Dealerships Inc.

  • IBM

    IBM in its acquisition of Expertus

  • Golder Associates Corporation

    Golder Associates Corporation in its $1.5 billion acquisition by WSP

  • MHR Fund Management LLC

    MHR Fund Management LLC in Telesat Canada’s going public transaction

  • Husky Energy Inc.

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

  • Richardson Financial Group

    Richardson Financial Group in the sale of Richardson GMP to GMP Capital Inc.

  • ConocoPhillips

    ConocoPhillips in it acquisition of Montney acreage from Kelt Exploration Ltd. 

  • Sinclair Interplanetary

    Sinclair Interplanetary in its acquisition by Rocket Lab

  • KKR

    Acting for KKR and AIMCo in their joint acquisition of a combined 65% equity interest from TC Energy in the $6.8B Coastal GasLink Pipeline Project

    • Microsoft in its US$68.7 billion acquisition of Activision Blizzard
    • Entertainment One in its US$4 billion announced acquisition by Hasbro
    • Concert Infrastructure Purchase of Majority Interest in Iqaluit Airport 
    • Intelex in its $570 million acquisition by Industrial Scientific
    • TD Bank in connection with Air Canada’s acquisition of Aimia Canada
    • Office Depot Inc. in its US$1 billion acquisition of THL Portfolio Holdings Corp.
    • Husky Energy Inc. in its proposed acquisition of MEG Energy Corp. for $6.4 billion
    • Mitel in its sale to affiliates of Searchlight Capital Partners for US$2 billion
    • Corus Entertainment Inc. in the proposed sale of specialty channels to Bell Media Inc. for approximately $200 million
    • Whistler Blackcomb Holdings Inc. in its $1.4 billion acquisition by Vail Resorts
    • Constellation Brands, Inc. in the sale of its Canadian wine business to Ontario Teachers’ Pension Plan for approximately $1.03 billion
    • 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 Canada: Canada’s Leading Lawyers for Business: Recognized in Competition/Anti-trust (Nationwide)
    • "She is extremely intelligent, client-focused and timely with her responses. She always delivered exceptional results and we have been nothing but impressed with her."
  • Legal 500: Recognized as a Next Generation Lawyer, Competition and Antitrust
  • Best Lawyers in Canada: Recognized in Competition / Antitrust Law
  • Who's Who Legal: Recognized in Competition; Foreign Investment Control
  • Who's Who Legal Thought Leaders: Global Elite (Competition – Under 45 – Partners)

  • Canadian Bar Association, Competition Law and Foreign Investment Review Section, Vice-Chair of the Foreign Investment Review Committee
  • Ontario Bar Association
  • American Bar Association, Antitrust Section
  • International Bar Association, Antitrust Section
  • Law Society of Ontario
  • Law Society of Alberta
  • Women’s White Collar Defense Association

  • University of Calgary Moot Team Coach for the Adam F. Fanaki Competition Law Moot, 2023, 2024
  • Chair, CBA Competition Law Spring Online Symposium, Staying Ahead of the Curve: Advanced Topics in Mergers and Joint Ventures, April 29-30, 2021
  • Judge Participant in the Adam F. Fanaki Competition Law Moot, 2019, 2022


  • Fundamentals of Canadian Competition Law (4th Ed), Chapter 15: Powers of Investigation, Canadian Bar Association, 2022, co-authored with Michelle Lally (Osler).
  • 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.