Alysha Pannu

Alysha Pannu

Associate, Competition/Antitrust and Foreign Investment

Contact Information

tel: 416.862.6512



Bar Admission

Ontario, 2018


University of Ottawa, J.D. (cum laude)

Norman Paterson School of International Affairs, MA

University of Ottawa, B Ss. (magna cum laude)



Alysha is an associate in the Competition Group of our Toronto office. She advises clients on all aspects of competition law, including merger review, abuse of dominance and compliance matters. Alysha has extensive experience working on complex and high-profile merger transactions, advising clients on potentially anti-competitive business practices, and providing strategic advice to clients regarding investigations and other compliance matters under the Competition Act. She also regularly provides advice to clients on marketing/advertising law matters.

  • Fusion Pharmaceuticals

    Fusion Pharmaceuticals in its acquisition by AstraZeneca

  • Prior to joining Osler:

    • Quebecor Inc. and Videotron Ltd., as competition counsel, in the sale of Freedom Mobile Inc. by Shaw Communications to Quebecor, in connection with the proposed acquisition of Shaw by Rogers Communications Inc.
    • Competition counsel to Tervita Corporation in its merger with SECURE Energy Services Inc. to create a combined company with an implied total enterprise value of $2.3 billion.
    • Canadian counsel to Allergan plc., a global, research-based biopharmaceutical company, regarding all competition law matters and filings in its acquisition by AbbVie Inc. for US$63 billion (The Deal Awards 2020 Healthcare, Pharma & Biotech Deal of the Year)
    • Bristol-Myers Squibb, as Canadian antitrust counsel, in its US$74-billion acquisition of Celgene Corp.
    • MacEwen Petroleum Inc. in connection with its acquisition of the Quickie retail gas and convenience store business.
    • Leyou Technologies Holdings (and its Canadian operating subsidiary Digital Extremes) in regard to the offer by Tencent Holdings Ltd. of China to buy HKSE-listed Leyou in an all-cash deal, valuing the company at up to HKD11.61 billion (US$1.5 billion).
    • Fiserv, Inc., in its acquisition of First Data in a transaction valued at approximately US$22 billion, to create a leading payments and financial technology provider.
    • Stone Canyon Industries Holdings LLC and Kissner Group Holdings, as Canadian counsel, in their US$3.2-billion agreement to acquire K+S Aktiengesellschaft's North and South American salt business, including Morton Salt and Windsor Salt.
    • Mylan N.V. in its agreement with Pfizer Inc. to combine with Upjohn, Pfizer’s off-patent branded and generic established medicines business, creating a new global pharmaceutical company, Viatris Inc.
    • Tiffany & Co. in its US$15.8-billion sale to LVMH Moët Hennessy Louis Vuitton SE, a global luxury jewelry company.
    • Signify, as Canadian antitrust counsel in connection with its $1.4-billion acquisition of the lighting business of Eaton Corporation.
    • Premium Brands Holdings Corporation, as competition counsel, in its $1-billion acquisition, together with a coalition of Mi'kmaq First Nations, of Clearwater Seafoods Incorporated.
  • Find More
  • CBA Competition Law Fall Conference

    Moderator, Remedial Training: Remedying Remedies, October 27, 2023

  • “A Primer on the Amendments to Canada’s Abuse of Dominance Provisions” ABA Antitrust Law Section’s Unilateral Conduct Committee and CBA Competition Law Section’s Young Lawyers Committee

    Moderator, December 2, 2022

  • “Law of International Business Transactions”, Humber College Global Business Management postgraduate program

    Speaker, Fall 2022

  • “Incorporating Technology into Your Competition Practice”, Canadian Bar Association Competition Law Section’s Young Lawyers Committee

    Moderator, March 1, 2022

  • “When Competition and Labour Markets Intersect” Canadian Bar Association Competition Law Section’s Young Lawyers Committee

    Moderator, May 15, 2020

  • "Career Counselling 101: The Business of Law", Canadian Bar Association Competition Law Section Competition Law Section’s Young Lawyers Committee

    Moderator, November 14, 2019

  • Canadian Bar Association, Chair of the Competition Law and Foreign Investment Review Section’s Young Lawyers Committee
  • American Bar Association, Vice-Chair of the Section of Antitrust Law’s Unilateral Conduct Committee

  • Co-author, Information Exchanges and Related Risks: A Jurisdictional Guide (Canada Chapter), Concurrences Antitrust Publications and Events