Pierre-Luc Desgagné

Lawyer, Partner - Montréal

Québec Bar 1992
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Pierre-Luc Desgagné is a partner in the business law group at Langlois lawyers and he is a member of the firm’s Board of Directors. He advises the firm’s clients on matters involving governance, health law, negotiation strategy, energy law, environmental law and governmental affairs.

Known for his extensive and varied experience in the governmental and political spheres, his expertise in crisis management and public affairs is widely acknowledged.

He also provides assistance to various health professionals, particularly family doctors, and advises them on the myriad issues involved in the practice of their profession.

He has acquired a keen appreciation of the importance of social acceptability for successful project development. In this regard he has been called upon in the past to give presentations to parliamentary committees of both Quebec’s National Assembly and the federal House of Commons.

In addition to serving as deputy chief of staff to former Quebec Premier Lucien Bouchard, Pierre-Luc became adept at managing a variety of complex files as a member of senior management at Hydro-Québec, where he was Vice President – Corporate Affairs and Secretary General. In that capacity, in addition to serving on the corporation’s board of directors, his duties ranged from public and legal affairs to environmental matters and relations with local media. He was also centrally involved in the creation of the first public charging network for electric vehicles, the Electric Circuit.

With his close ties to Montreal’s business community, Pierre-Luc is able to provide invaluable support to clients wishing to develop their businesses and expand their range of services.


LL.B., Civil Law, Laval University, 1991

Rankings & Recognitions

Finalist for the Business Strategy and Achievement Award, one of the ZSA Quebec General Counsel Awards

Winner of the 2007 Arista award for Young Manager of the Year from the Young Chamber of Commerce of Montreal

Finalist in the Dean’s Cup (La Coupe du doyen) mooting competition at Laval University

Representative Work

  • Retrospective 2018 | 10 Successes for Langlois’ Transactional Group

    In 2018 Langlois was the law firm of choice of several major organizations for their mergers & acquisitions-related transactions. The transactional group at Langlois assisted important groups of businesses as well as foreign multinationals with several major projects, including strategic acquisitions, financings and equity investments. It was an interesting and active year rich in challenges for Langlois’ transactional group!

  • Retrospective of Langlois’ 10 Most Representative Mergers & Acquisitions Mandates of 2017

    The expertise of Langlois lawyers in the areas of technology, transportation, intellectual property, labour law, Northern development, environmental law and real estate law was called upon in several major and impactful mergers and acquisitions files that the firm handled in 2017.

  • Langlois Represents a Major Cannabis Enterprise

    Since 2017, Langlois lawyers has been representing a company in connection with the acquisition of a property located in Montreal West, province of Québec, for the cultivation of organic medical marijuana and the development of production facilities.





Langlois Knowledge

External Conferences


2018 – “Environnement légal et possibilités d’investissement” (Investment possibilities and the legal environment of the market for cannabis), in collaboration with Mylany David, Conférence Les Affaires, April 10, 2018

2017 – “Legislative and regulatory update on calls for tenders” (Mise à jour de la législation et de la réglementation pertinente en matière d’appel d’offres), Symposium on construction for public and para-public clients, Open Forum Ouvert HS, Montreal, October 2, 2017.

Professional Associations

Involved in social causes for several years now, Pierre-Luc is currently a member of the board of directors of the Quebec federation of chambers of commerce, a member of the board of directors and Treasurer of Pro Bono Quebec, a member of the board of directors and president of the strategic planning committee of Québec Cinéma, a member of the board of directors of theatre company Jean-Duceppe and a member of the East Montreal Chamber of Commerce (CCEM).

Prior to becoming a lawyer, Pierre-Luc was president of the law students association at Laval University. He was also a founding member of the France-Quebec political action committee (CAPFQ).

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