Jean-Philippe Dionne

Jean-Philippe Dionne

Associate, Tax

Contact Information

tel: 514.904.5782



Jean-Philippe is an associate in the Montréal office and a member of the taxation group. Jean-Philippe holds both a civil law degree (LL.B.) and a master’s degree in business administration (MBA) from the Université de Sherbrooke.

His practice focuses on domestic and international tax planning for corporations and individuals, including estate planning.  He advises clients on the tax considerations and issues related to mergers and acquisitions, corporate financings and reorganizations, and compensation of directors and officers.

  • Inversago Pharma

    Inversago Pharma in its US$1.075 billion business combination with Novo Nordisk

  • Prospector Capital Corp.

    Prospector Capital Corp. in its business combination with LeddarTech for US$ 348 million

  • Photonis Group

    Photonis Group in its agreement to acquire Telops

  • General Motors Co.

    General Motors Co. in its US$650 million equity investment in Lithium Americas Corp.

  • Bailey International

    Bailey International in connection with its acquisition of Hydrolico International

  • BBH Capital Partners

    BBH Capital Partners in its $120 million investment in Synex Group insurance

  • Deerfield Specialty Papers Inc.

    Deerfield Specialty Papers in connection with the sale of Glassine Canada to Nordic Paper Holding.

  • Quatro Air Technologies

    Quatro Air Technologies in its acquisition by Absolent Air Care Group

  • LIFT Digital Inc.

    LIFT Digital in its acquisition by LifeSpeak

  • Lightspeed Commerce Inc.

    The Underwriters in Lightspeed Commerce Inc.’s US$823.5 million public offering (including full exercise of the over-allotment option)

  • L Brands

    L Brands in its separation of Bath & Body Works and Victoria's Secret Canada

  • Promark Electronics Inc.

    Promark Electronics Inc. in its acquisition by Electrical Components International

  • Dialogue Health Technologies Inc.

    Dialogue in its $100 million IPO

  • Xebec Adsorption Inc.

    Xebec Adsorption Inc. in its bought deal public offering and concurrent private placement of subscription receipts and its acquisition of Green Vision Holding B.V., the parent company of HyGear Technology and Services B.V.

  • Fresche Solutions

    Fresche Solutions in its acquisition by American Pacific Group

  • ArcelorMittal

    ArcelorMittal Long Products Canada in its joint venture with Triple M Metal

  • National Bank of Canada

    National Bank of Canada in its Additional Tier 1 offering of Limited Recourse Capital Notes

  • Bristol Myers Squibb

    Bristol Myers Squibb in its acquisition of Forbius

  • The Stars Group Inc.

    The Stars Group Inc. in its US$15 billion business combination with Flutter Entertainment plc

  • Smooch Technologies Holdings ULC

    Smooch Technologies Holdings ULC in its acquisition by Zendesk, Inc.

  • Lightspeed POS

    The Underwriters in connection with Lightspeed POS’ $276 million IPO

  • MaxGen Energy Services Holdings LLC

    Power Factors, LLC in its acquisition of all of the issued and outstanding shares of Arista Renewable Energies Inc.

  • Alithya Group Inc.

    Alithya Group Inc., in its going public transaction by way of a business combination with Edgewater Technology, Inc. and completion of a $52.8 million concurrent private placement

  • Find More
  • l'Association de planification fiscale et financière (APFF) symposium

    Panelist, February 16, 2023

  • Colloque sur les fiducies de l’APFF

    Speaker, Common pitfalls and best practices in setting up a discretionary family trust in the context of an estate freeze with Héléna Gagné, Montréal, March 2022

  • Canadian Tax Foundation Conference – Corporate taxation : Change is an opportunity

    Speaker, Planning for the next generation in difficult times: post-covid tax structures with Antoine Stébenne, November, 2020

  • APFF Annual Conference

    Speaker, Debt forgiveness rules with Alain Fournier, October, 2020

  • APFF Symposium : Corporate reorganizations and commercial transactions

    Speaker, Review of recent legislative changes at both the provincial and federal levels with Alain Fournier, Montréal, March, 2020

  • APFF Annual Conference

    Speaker, Pitfalls to avoid in corporate reorganization with Alain Fournier, Montréal, October, 2019

  • « L’affaire Des Groseillers : des dons d’options soulevant des questions » in Stratège 2021 (Montreal: Fiscal and Financial Planning Association, 2021), 26 :4
  • « Affaire Gervais Auto : une décision d’intérêt » in Stratège 2020 (Montreal: Fiscal and Financial Planning Association, 2020), 25 :1