Guy Pinsonnault
About Guy Pinsonnault
Guy Pinsonnault is a lawyer based in Ottawa, ON and has been recognized in The Best Lawyers in Canada™ since 2015. Guy Pinsonnault is recognized in the following practice areas:
- Ottawa, Ontario
- Competition / Antitrust Law
- Criminal Defence
Current Firm: McMillan LLP
Location: Ottawa, ON
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
John Peters is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. John, who practices law in Ottawa, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.
Lead patent trial counsel and appeal counsel, appearing in courts across Canada. Considerable expertise in patent, PM(NOC), trade-mark, copyright and trade secret litigation. Acts on behalf of leading national and international pharmaceutical, software, manufacturing, and information technology clients. Registered Patent Agent since 2000. Skilled in advising clients on strategic management of intellectual property including patent life cycle management. Member of the Intellectual Property Ins...
Jennifer Wilkie is a partner in Gowling WLG's Ottawa office, and an active member of the firm’s Patents, Intellectual Property Litigation & Strategy and Life Sciences groups. Jennifer has over 20 years of experience in the intellectual property field, including over 15 years as a registered patent agent. Her practice has focused primarily on patents, especially patent litigation and patent prosecution, with an emphasis on pharmaceutical and chemical patents. Jennifer regularly acts ...
Joshua Sprague is a business lawyer focusing primarily on commercial real estate. Joshua represents and advises companies on a wide variety of matters, including leasing, acquiring, financing and developing real property assets. He assists clients with all aspects of commercial real property transactions, including due diligence and risk management. Joshua regularly advises financial institutions on loan implementation and documentation, including risk allocation and enforcing delinquent loans.
M. Drew Tyler is a top attorney recognized by Best Lawyers in the practice area(s) of International Trade and Finance Law and Public Procurement Law. M. Drew, who practices law in Ottawa, Ontario, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which M. Drew is held by other top lawyers in the same geographic and legal practice area.
Daniel Boivin is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence. Daniel, who practices law in Ottawa, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.
Brenda Hollingsworth co-founded Ottawa’s Auger Hollingsworth Accident & Injury Lawyers in 2005 with her husband Richard Auger. She runs a full bilingual litigation practice in addition to serving as the firm’s director of legal services. Brenda was named an Ottawa Business Journal Forty Under 40 recipient and took home the Women’s Business Network’s Businesswoman of the Year award in the Professional category. She was also recognized as one of Ottawa Life Magazine&...
For over 29 years, Andrea has passionately dedicated herself to helping victims of accidents and medical malpractice secure the compensation they deserve. With a particular focus on complex birth trauma cases, she has successfully handled numerous cases involving brachial plexus injuries and brain injuries caused by hypoxia during birth. Andrea also specializes in representing victims of car accidents and those facing disability benefit denials. Understanding that most of her clients are in a...
Peter Engelmann is a labour and human rights lawyer in Goldblatt Partners' Ottawa office. He was a founding partner of Engelmann Gottheil, a firm that merged its practice with Sack Goldblatt Mitchell - now Goldblatt Partners - in 2005. Peter’s practice focuses on all aspects of labour law, human rights, pay and employment equity law and Charter litigation. He has appeared at all levels of court, including the Supreme Court of Canada, and appears regularly before arbitrators, human righ...
Boris Subara is a Partner in Fasken’s Ottawa office and is a member of the firm’s Labour, Employment & Human Rights group. He practices in all areas of labour and employment law and provides practical advice and representation to employers and management on a wide range of issues that arise during the course of the employment relationship. Among other things, Boris advises both provincially and federally regulated employers with respect to terminations, human rights issues, th...
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
The 2026 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
The region’s most highly regarded lawyers.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
What Is the Difference Between a Will and a Living Trust?
by Bryan Driscoll
A practical guide to wills, living trusts and how to choose the right plan for your estate.