Louis-Pierre Grégoire

Louis-Pierre Grégoire

Ottawa, ON recognized lawyers icon Recognized in Best Lawyers since 2016
Gowling WLG

287 Best Lawyers awards

Gowling WLG logo

Awarded Practice Areas

Construction Law

Biography

Louis-Pierre Grégoire is a partner in Gowlings’ Ottawa office. He focuses his practice on construction law and civil litigation with an emphasis on construction matters, commercial disputes, condominium law, insurance, product liability, and professional responsibility. He has represented many parties in the construction industry (financial institutions, owners, contractors, material suppliers, entrepreneurs, engineers, manufacturers, building officials and home inspectors).

Louis-Pierre appears frequently before the Superior Court of Justice and Court of Appeal for Ontario and provides guidance to his clients throughout this process.

Prior to starting his law career, he spent a year in France at the Institut National des Sciences Appliquées de Lyon studying engineering, and following his articles, he spent six months in Hong Kong working as a research assistant and political attaché.

Gowling WLG

287 Best Lawyers awards

Gowling WLG logo

Overview

  • English
  • French

  • Ontario, Canada

Client Testimonials

Awards & Focus

Lawyer of the Year Badge - 2025 - Construction Law Lawyer of the Year Badge - 2023 - Construction Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Construction Law, Ottawa, Canada (2025)
  • Construction Law, Ottawa, Canada (2023)
Recognized in The Best Lawyers in Canada 2026 for work in:
  • Construction Law

Additional Information

  • Community Involvement
Louis-Pierre is a founding member of the Ottawa Young Construction Leaders of the Ottawa Construction Association.
  • Representative Work
  • Represented a major Canadian airline in connection with a $2 million claim against consultants for design errors.
  • Represented a teaching hospital in Ottawa and a general contractor in a series of proceedings in connection with a $10 million claim for electrical design errors committed by professional consultants (engineers and architects) in a renovation project.
  • Defended the interests of the City of Ottawa in a civil action concerning the title of a property.

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