Teresa Tomchak
Canada Guide 2025
Band 1 : Litigation: Securities
Email address
[email protected]Contact number
604.692.2704Share profile
Band 1
About
Provided by Teresa Tomchak
Practice Areas
A partner in the Disputes Group of our Vancouver office, Teresa’s practice focuses on securities litigation and regulation. With more than 20 years of experience, she has worked on multiple shareholder disputes, hostile take-over bids and proxy fights as well as contested plans of arrangement. Teresa’s practice also includes securities class action defence. Teresa’s practice includes securities regulatory matters, where she has represented clients during investigations and enforcement hearings before various provincial securities commissions, which have included allegations of insider trading, illegal distributions, market manipulation, discretionary trading, suitability matters and fraud. She consistently works with registration requirements under securities legislation with respect to trading in securities. She has advised special committees during transactional matters and internal investigations, including whistleblower complaints as well as financial institutions and investment advisors, including in broker-dealer litigation. Prior to joining Osler, Teresa was a partner at a leading regional law firm.
Career
University of British Columbia, LL.B.
University of Alberta, B.Comm. (with distinction)
Bar Admission: British Columbia, 2000 | Ontario, 2015
Professional Memberships
Law Society of British Columbia
Canadian Bar Association, multiple sections including the securities sub-section
Prospectors and Developers Association of Canada
The Advocates’ Society
Womens’ White Collar Defence Association
Commercial Bar Association (COMBAR)
Chambers Review
Canada
Vancouver-based Teresa Tomchak of Osler, Hoskin & Harcourt has a wealth of experience in securities litigation and investigations, regularly advocating before the BC Securities Commission. She offers further expertise in allegations of insider trading.
Strengths
Provided by Chambers
"Teresa has deep experience and is a pleasure to work with."
"Teresa is the full package and has been doing it a long time."
"Teresa Tomchak is a great securities litigator."
"Teresa has deep experience and is a pleasure to work with."
"Teresa is the full package and has been doing it a long time."
"Teresa Tomchak is a great securities litigator."