LAWYER PROFILE
Fiona Legere

Fiona Legere

Canada 2026

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Ranked in 1 practice area

About

Provided by Blake, Cassels & Graydon LLP

Practice Areas

Fiona is a dynamic and strategic litigator specializing in intellectual property (IP) law, with a strong focus on the life sciences, telecommunications, and technology sectors. She provides expert counsel on IP strategy, patent and Patented Medicines (Notice of Compliance) proceedings, as well as regulatory, trademark, and copyright matters. Fiona’s practice is centered on complex commercial intellectual property litigation, where she has built a robust trial and appellate record.

Recognized as a trusted advisor to some of the world’s leading pharmaceutical and technology companies, Fiona has successfully managed multi-jurisdictional patent enforcement actions and played a pivotal role in landmark patent cases, including Canada’s first biologics and non-practising entity (NPE) cases.

Fiona’s proven track record of success spans significant rulings at the Ontario Superior Court, Ontario Court of Appeal, the Federal Court of Canada, and the Federal Court of Appeal, reflecting her deep expertise and commitment to achieving favorable outcomes for her clients.

Professional Memberships

She is an active member of the American Intellectual Property Law Association (AIPLA), the Intellectual Property Institute of Canada (IPIC), the Law Society of Ontario (LSO), the Ontario Bar Association (OBA), and the Canadian Bar Association (CBA).

Chambers Review

Provided by Chambers

Chambers Canada Guide

Intellectual Property: Litigation - Nationwide - Canada

Band 3
Band 3

Individual Editorial

Fiona Legere is an experienced IP litigator with notable expertise in patent litigation, where she has acted for major clients in the pharmaceutical and telecoms sectors. She is based in Toronto.

Strengths

Provided by Chambers

  • Fiona has excellent expertise, responsiveness and client-centricity.

    Intellectual Property: LitigationChambers Canada Guide
  • Fiona Legere is a trusted adviser with deep expertise in the area of patent law.

    Intellectual Property: LitigationChambers Canada Guide
  • Fiona is a strong leader, very organised and has a wealth of experience behind her.

    Intellectual Property: LitigationChambers Canada Guide

Ranked Individuals at Blake, Cassels & Graydon LLP (236)

Alberta

British Columbia

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