Our Team

photo of William Regan

William Regan

Email: wregan@pnklaw.ca
Phone: +1 (416) 955-0050 ext 228

Bill's focus is the protection and enforcement of intellectual property rights, and intellectual property litigation.

William has experience in a wide range of areas of law including patents, trademarks, copyright, breach of confidence, broadcast, and contract, and he has successfully litigated at all levels of the Federal Courts of Canada, including the Supreme Court, as well as the Ontario Superior Court of Justice and the Court of Queen’s Bench of Alberta.  In the right cases, William has assisted clients with obtaining litigation financing.

William served as an editor of the Canadian Patent Reporter and has been a Registered Trademark Agent since 2010.


B.Sc. (Physics), Queen’s University 2000
LL.B., Queen’s University 2003
Admitted to the Ontario Bar 2004
Registered Trademark Agent, Canada 2010

Associations and Memberships

Canadian Bar Association
IPIC - Intellectual Property Institute of Canada
AIPLA - American Intellectual Property Law Association
INTA - International Trademark Association

Representative Work

Bill works closely with our clients to help manage the complex issues that arise in the context of IP litigation.

Our lawyers have represented clients before a variety of courts and tribunals