Hélène Deschamps Marquis

Hélène Deschamps Marquis


Borden Ladner Gervais LLP

Recognized since 2015

Montréal, Quebec

Practice Areas

Information Technology Law

Privacy and Data Security Law

Technology Law

Lawyer of the Year Badge - 2026 - Information Technology Law
Lawyer of the Year Badge - 2026 - Information Technology Law
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Hélène has over 25 years of market-leading experience in advising many of Canada’s major institutions on managing complex legal and business risks, in respect of cybersecurity, information technology, privacy, and artificial intelligence. Her practice includes breach and incident response, regulatory compliance, and global data and privacy frameworks, as well as the negotiation of complex cross-border technology arrangements and transactions.

Hélène excels at assisting board members and general counsel grasp complex IT issues and related regulatory requirements, hence contributing to organizational resilience through informed decision-making. Her clients span multiple sectors, including energy, financial services, public sector, health care, and transportation.

Among other areas, her strategic advice to leadership covers:

  • cyber governance
  • risk assessment and mitigation, including privacy impact assessments
  • regulatory compliance
  • incident response plans and breach coaching
  • AI tool planning and responsible deployment
  • technology-related policies, procedures, and training
  • the drafting of various technology agreements, including in contexts of electronic commerce, outsourcing, research and development, mergers and acquisitions, and financings

An active speaker and lecturer both in Canada and internationally, Hélène contributes to an innovative legal landscape in digital and technology law, privacy protection, and artificial intelligence ethics.

Location
  • 1000 De La Gauchetière Street West
    Suite 900
    Montréal, QC H3B 5H4
    Canada
Languages
  • English
  • French

Borden Ladner Gervais LLP

Headquarters: Toronto, Ontario

309 The Best Lawyers in Canada awards

96 Best Lawyers: Ones to Watch in Canada awards

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Lawyer of the Year Badge - 2026 - Information Technology Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Information Technology Law, Montréal, Canada (2026)
Recognized in The Best Lawyers in Canada 2026 for work in:
  • Information Technology Law
  • Privacy and Data Security Law
  • Technology Law

Publications

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