Nancy Pei

With hands-on experience as a licensed pharmacist and over 25 years of patent litigation expertise, Nancy has established a successful IP practice focused exclusively in the field of life sciences, with an emphasis on pharmaceuticals and biologics.

Nancy’s clients benefit not only from the depth and breadth of her experience but also from her unique insights on broader patenting, regulatory and business issues, helping them manage the life cycles of their products and remain competitive in an ever-changing industry.

As a patent litigator, Nancy represents innovative life sciences companies in patent litigation, including actions under the Patented Medicines (Notice of Compliance) Regulations. She has represented clients before the Federal Court of Canada, the Federal Court of Appeal, the Supreme Court of Canada and the Ontario Superior Court of Justice. She also represents clients in judicial review applications.

In her advisory roles, Nancy provides thoughtful counsel and strategic advice regarding patents and data protection, patent listing under the Patented Medicines (Notice of Compliance) Regulations, Certificates of Supplementary Protection, pricing and reimbursement including Patented Medicine Prices Review Board matters (PMPRB), federal (AIA) and provincial (FIPPA) access to information requests, regulatory due diligence, regulatory compliance issues (under the Food and Drugs Act and associated regulations), and submissions regarding draft statutory and regulatory amendments in these areas.

Peers and clients have given Nancy high praise, regarding her as ‘an exceptional patent litigator’ and a ‘leader in the life sciences sphere’ (Who’s Who Legal: Patents Litigation and Life Sciences, 2022). Nancy is listed among the Best Lawyers in Canada 2023 and was hailed 'Lawyer of the Year' in Toronto for her expertise in Biotechnology, an exclusive award which celebrates one practitioner for each specialty area and jurisdiction. Nancy is recognized in the 2019 and 2021 Expert Guides: Best of the Best under life sciences attorneys in the world, in Who's Who Legal: Life Sciences under Patent Litigation and Regulatory since 2018, a leading lawyer in IP in the 2021 and 2022 editions of the LEXPERT®/American Lawyer Guide to the Leading 500 Lawyers in Canada, and as a leading lawyer in IP Litigation in the 2023 Chambers Canada Guide. Nancy is also recognized as a ‘market leader for pharmaceutical patents and litigation, as well as operations within the life sciences sector’ (The Legal 500 Canada, 2023).

Nancy has been the editor of Rx IP Update, the firm's monthly life sciences intellectual property and regulatory newsletter, since its inception in 2001 and co-editor as of 2023. Nancy currently serves on the Board of Directors of BIOTECanada.