Lawyer Profile

David V. Tupper

Calgary, Alberta

David V. Tupper

Overview

David's litigation practice involves all aspects of corporate/commercial litigation with an emphasis on construction law, securities law, insurance law, environmental law, and oil and gas law. He regularly appears before all levels of courts in Alberta as well as in the Federal Court and the Federal Court of Appeal. In securities matters, he frequently appears before the Securities Commission of Alberta.

David also maintains a considerable advisory practice in connection with environmental issues, property and liability policies, and reinsurance losses.

David has served as an elected bencher of the Law Society of Alberta since February 2024. David is also a member of the Executive Committee of the Law Society of Alberta.

Acted for Pembina Pipeline Corporation before the Securities Commission to defend its break fee and challenge the use of a total return swap by Brookfield Infrastructure Corporation Exchange Limited in the context of a hostile bid made by Brookfield for Inter Pipeline Ltd. and a white knight bid by Pembina (recognized as one of the "Top 10 Business Decisions of 2021/2022" by Lexpert Special Edition on Litigation – Re Bison Acquisition Corp., 2021 ABASC 188)

Acted for Waterous Energy Fund before the Securities Commission to defend its use of exemptions in the context of a hostile takeover bid made by Waterous for Osum Oil Sands Corp.

Assisted a dissident group in successfully winning a proxy contest for control of the board of a significant energy company

Acted as litigation counsel to the independent chair in a proxy contest involving a widely held private company

Acted on a number of occasions for management in proxy contests over the board election of dissident directors of prominent Calgary companies

Practice Areas

  • Civil Litigation
  • Natural Resources & Energy

Bar Information

Called to the bar: 1996 (AB)