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Colin  Feasby

Colin Feasby

Calgary Managing Partner

Key Contact: Corporate and Commercial Litigation

Contact Information

tel: 403.260.7067



Bar Admission

Alberta, 1999

  • Columbia University, J.S.D.
  • Columbia University, LL.M.
  • University of Alberta, LL.B.
  • University of Western Ontario, M.A.
  • Bishops University, B.A.

Colin is the Managing Partner of the Calgary office and represents clients in corporate and securities litigation, energy industry disputes,  insolvency/restructuring litigation, and constitutional matters.  He has represented clients before all levels of courts in Alberta and Saskatchewan, the Federal Court of Canada, and before the Supreme Court of Canada.  He has also represented clients in arbitrations in the United States, Ontario, Nova Scotia, and Alberta and is regularly in trial or arbitration hearings.  Prior to joining Osler, Colin clerked for the Alberta Court of Queen’s Bench and Alberta Court of Appeal.

    • Tervita Corporation in litigation and court approvals related to a $3.5 billion recapitalization transaction under the Canada Business Corporations Act.
    • Shawcor Ltd. in defence of a claim involving the failure of a bitumen pipeline.
    • A subsidiary of Agrium Inc. in relation to a claim involving the trading of carbon credits.
    • Nova Chemicals in defending and counterclaiming in an approx. $1 billion dispute with Dow Chemical concerning the operation of a large petrochemical facility in Alberta.
    • Shell Canada Limited in defence of a claim involving a CAPL agreement area of mutual interest clause and in relation to an appeal of ERCB proceedings concerning greenhouse gas commitments.
    • Culligan Canada in litigation in Saskatchewan concerning allegations of breaches of fiduciary obligations by a competitor and former employees.
    • Canadian Civil Liberties Association in intervening in several Charter of Rights cases.

  • Benchmark Litigation Canada, 2015-2018, recognized as a "Litigation Star" in the areas of General Commercial; Securities; Energy and Natural Resources.
  • The Canadian Legal Lexpert Directory, 2018, Repeatedly Recommended in the area of Litigation - Corporate Commercial.
  • The Canadian Legal Lexpert Directory, 2014-2018, Repeatedly Recommended in the area of Franchising Law - Franchisor.
  • The Canadian Legal Lexpert Directory, 2014-2016, Repeatedly Recommended in the area of Litigation - Securities.
  • Chambers Canada: Canada’s Leading Lawyers for Business, 2016-2018, recognized in the area of Litigation: General Commercial (Alberta).
  • The Best Lawyers in Canada, 2018, recognized in the area of Corporate and Commercial Litigation.
  • The Best Lawyers in Canada, 2018, recognized in the area of Director and Officer Liability Practice.
  • Acritas Stars, 2018, recognized as a Star Lawyer.
  • The Best Lawyers in Canada, 2016-2017, recognized in the area of Director and Officer Liability Practice.
  • Chambers Global: The World’s Leading Business Lawyers 2014 & 2015: Dispute Resolution (Alberta)
  • The Best Lawyers in Canada 2015: Director and Officer Liability
  • Named a "Canadian Litigator to Watch" by Lexpert Magazine’s U.S. Guide (2008).
  • Lexpert Magazine 2007 - "Rising Star" (Top 40 Under 40).


  •  C. Feasby and A. LaRoche, “Competition Act Class Actions – Copycat Litigation, Economic Incentives and the Question of Reform” in T.L. Archibald, ed., Annual Review of Civil Litigation 2016 (Toronto: Carswell, 2016) 457-477.
  • “Failing Students by Taking a Pass on Pridgen v. University of Calgary” (2013) 22 Constit. Forum 19.
  • “Recent Judicial Developments of Interest to Energy Lawyers” (2011) 49 Alberta Law Review 427 (with Simon Baines & Daina Kvisle).
  • “Canadian Political Finance Regulation and Jurisprudence” in K. Ewing, J. Tham, & J. Rowbottom, eds., The Funding of Political Parties (London: Routledge, 2011) 206.
  • “The Advocate as Storyteller”, Canadian Lawyer Magazine (part of Arguably the Best - a year-long series on improving litigation skills), September 26, 2011.
  • “Continuing Questions in Canadian Political Finance” (2010) 47 Alta. L. Rev. 993 (2010).
  • “Bondholders and Barbarians: BCE and the Supreme Court on Directors’ Duties, Oppression, and Plans of Arrangement” in T.L. Archibald & R.S. Echlin, eds., Annual Review of Civil Litigation 2009 (Toronto: Carswell, 2009) 83-126.
  • “The Supreme Court of Canada’s Political Theory and the Constitutionality of the Political Finance Regime” in S. Issacharoff & K. Ewing, eds., Campaign Finance in Comparative Perspective (Oxford: Hart, 2006).

Previous Speaking Engagements

  •  Calgary Breakfast Seminar - A Practical Perspective on Recent Developments in the Law of Privilege, Calgary, October 26, 2016.
  • Carter  and the 2012 Boundary Commissions,” Montreal, Quebec, McGill University/Trudeau Foundation, Democratic Deficits: Equality and Representation in Canadian Politics Conference, November 20, 2013.
  • “Emerging Trends in M&A Litigation” (with Stephen Lamb and Edwin Maynard), Calgary, Alberta, December 6, 2011.
  • “Recent Judicial Developments of Interest to Energy Lawyers,” Canadian Energy Law Foundation, Jasper, Alberta, June 15-18, 2011.
  •  “Director and Officer Liability,” Legal Education Society of Alberta, Banff Refresher Course, Lake Louise, Alberta, May 1-4, 2010.
  • “Political Finance in Canada,” Wellington, New Zealand, May 14, 2010.
  • “M&A Legal Update: Answers to Questions that Dealmakers are Asking” (with Noralee Bradley), Advanced Mergers & Acquisitions: Leading Players – Leading Deals, Insight, Calgary, Alberta, December 2-3, 2008.
  • “Plans of Arrangement after BCE,” Intensive Course in Securities Law & Practice, Canadian Institute, Calgary, Alberta, November 3-4, 2008.
  • “Continuing Questions in Canadian Political Finance”, Political Finance Workshop, Institute of Advanced Legal Studies, University of London, May 29, 2008.