Usman M. Sheikh

Usman Sheikh is a litigation partner in Gowling WLG's Toronto office. He is the National Head of the firm's Blockchain & Smart Contract Group, as well as the National Litigation Lead of the firm's Securities, Compliance & Investigations Group. 

Usman's practice focuses on complex corporate/commercial litigation, with an emphasis on securities litigation, crypto-currency litigation, professional liability claims and class proceedings. He is also a thought leader on blockchain and distributed ledger technology (DLT), including its application to the capital markets, and is currently authoring an upcoming legal guidebook titled The Law of Blockchain Technology (Thomson Reuters 2018).

His litigation expertise includes:

  • Securities enforcement proceedings
  • Shareholder activism
  • Corporate governance issues
  • Corporate transaction and M&A disputes
  • Cross-border litigation
  • Corruption claims
  • Compliance matters
  • Securities class actions
  • Accounting & auditing matters
  • Crisis management & internal investigations
  • Market conduct/trading disputes
  • White collar defence (criminal & quasi-criminal)
  • Shareholder disputes & oppression remedy claims
  • Crypto-currency litigation (Bitcoin, Ether and other crypto-currencies)

Usman has served as counsel on several precedent-setting securities and commercial cases in Canada, including cases before the Supreme Court of Canada. He has appeared before all levels of court in Ontario, Alberta and Nova Scotia, as well as before a wide variety of administrative tribunals, including the Ontario Securities Commission (OSC), the Investment Industry Regulatory Organization of Canada (IIROC), the College of Physicians and Surgeons of Ontario (CPSO), the Health Professions Appeal and Review Board (HPARB), and the University of Toronto Governing Council.

Prior to joining Gowling WLG, Usman spent four years as a prosecutor in the OSC's Enforcement Branch, including within the specialist Insider Trading/Market Manipulation Unit. In this role, he investigated and prosecuted all forms of securities law violations, including the largest criminal case of insider trading in Canadian history, as well as a recent regulatory case of insider trading for which the highest sanctions in Canada were ordered.

Usman was recently appointed as the inaugural co-chair of the American Bar Association's Securities Litigation Sub-Committee for Canada. In April 2016, the ABA Section of Litigation honoured Usman with the 2016 Outstanding Subcommittee Chair Award, making him first ever Canadian recipient of this award. He formerly served as co-chair of The Advocates' Society's Securities Litigation Practice Group, one of the largest collectives of securities litigators in Canada.

Author of over 25 legal and academic publications, Usman is also a frequent lecturer at the University of Toronto's Faculty of Law, Osgoode Hall Law School and the DeGroote School of Business at McMaster University. In addition, he is a regular speaker at various continuing legal education seminars and conferences. In 2016, Usman was recognized by Benchmark Canada’s Definitive Guide to Canada’s Leading Litigation Firms & Attorneys as a “Future Star” in litigation.

Usman has completed the Canadian Securities Course (CSC) and the Trader Training Course (TTC). He delivers legal services in both English and French.

Community involvement

Usman currently serves as the national president of the Canadian Friends of the LSE (CFLSE), the national alumni association for the London School of Economics and Political Science in Canada.

He also co-founded the Ontario Securities Commission Litigation Assistance Program (LAP), a pro bono program — the first of its kind in North America — that provides free legal advice to unrepresented respondents appearing in OSC enforcement proceedings.

Usman has also served as a director of several non-profit organizations, including the London Goodenough Association of Canada (LGAC).

Career & Recognition

Filter timeline:


  • American Bar Association
  • Canadian Bar Association
  • The Advocates' Society
  • Toronto Lawyers Association
  • Represented a high profile activist investor in an urgent OSC proceeding contesting a decision of the TSX to permit the Hudson’s Bay Company (HBC) to complete a very complex and dilutive share issuance within the context of a multi-billion dollar transaction.
  • Represented several investment advisors and banks in civil and regulatory enforcement prosecutions relating to allegations of unsuitability, misrepresentations and over-concentration of complex financial products (e.g., rate reset preferred shares, asset-backed securities, etc.).
  • Represented an investment dealer in an appeal before the Ontario Securities Commission (OSC) brought by a dissident shareholder to challenge a decision by the Investment Industry Regulatory Organization of Canada (IIROC) District Council which approved the recapitalization of the firm. Successfully moved to strike the appeal on the grounds that it was statute-barred and that the investor did not have standing.
  • Represented a chief compliance officer and supervisor of an investment dealer in a prosecution by staff of the Investment Industry Regulatory Organization of Canada for the failure to adequately supervise the activities of a portfolio manager.
  • Represented a party in a contractual dispute concerning the custody and trading of Bitcoins.  
  • Acted for the largest sponsor of asset-backed commercial paper (ABCP) in connection with the $35-billion restructuring of Canada's ABCP market.
  • Represented a major auditing firm in a cross-border investigation involving allegations of auditor independence violations by the Public Company Accounting Oversight Board (PCAOB), the U.S. Securities and Exchange Commission (SEC) and the Canadian Public Accountability Board (CPAB).
  • Represented a Canadian reporting issuer in an application that successfully dismissed a shareholder's nomination of candidates at an annual meeting on the basis of the issuer's advance notice by-law.
  • Represented a Canadian mining issuer in litigation with a foreign joint venture partner in a dispute regarding a partnership agreement, compliance with NI 43-101 (Standards of Disclosure for Mineral Projects) requirements and the ownership of mineral rights.
  • Represented an individual and corporation in a securities enforcement proceeding involving Forex trading.
  • Represented investors in the recovery of money from an unlawful syndicated mortgage scheme and with complaints to the Financial Services Commission of Ontario (FSCO).
  • Represented foreign parties in a land dispute with a major Canadian mining issuer, which included a whistleblower submission to the SEC Office of the Whistleblower.
  • Acted for staff of the Ontario Securities Commission in the first contested cases of fraud and market manipulation in Ontario, as well as the first Ontario case post-Bre-X involving the manipulation of assay (gold) results and NI 43-101 violations by a Qualified Person.
  • Intervened on behalf of the Ontario Securities Commission before the Supreme Court of Canada in McLean v. Executive Director of the British Columbia Securities Commission on the issue of reciprocal orders, interprovincial enforcement and the standard of review.
  • Acted for staff of the Ontario Securities Commission in several poison pill applications, contested related party transactions, as well as hearing and reviews of IIROC and TSX Listing Committee decisions.
  • Acted as Canadian counsel to an American parent corporation in a complex, cross-border insolvency proceeding, which included CCAA proceedings in Alberta and simultaneous Chapter 11 proceedings in the U.S. Bankruptcy Court. The case was one of the largest restructurings in Canadian restructuring history, and the (then) sixth-largest case to file Chapter 11 in the United States.