John P. Sullivan*

*John P. Sullivan Law Corporation



John is recognized as one of western Canada’s leading commercial litigators.


With nearly thirty years of experience, John maintains a busy and complex practice focused on commercial litigation, family, and insurance law. John is well-known for his passion for challenging litigation and has earned a reputation for his tireless efforts in defence of his clients’ rights.

John regularly conducts litigation in all levels of the British Columbia court system. He routinely appears in front of tribunals as well as private arbitrations and mediations and is the head of our appellate practice group. His record includes a long list of successful results in both trials and appeals, as well as negotiated settlements.

A sought-after author and speaker, John has written and lectured on a variety of commercial litigation topics. He has been published in both Canada and the US in such journals as the Canadian Bar Review, The Washington Bar News, and the Oregon Creditor-Debtor Newsletter. He has also been a guest lecturer for the Canadian Institute as well as the BC Continuing Legal Education Society.

John takes pride in his involvement with TAG International Alliance and is the Canadian Litigation and Alternative Dispute Resolution co-chair for the organization.

  • University of British Columbia, LL.B., 1995

Bar Admission
  • British Columbia, 1996
Languages spoken
  • English
Contractual/Quasi-Contractual Disputes
  • Representing an anchor tenant in a contested arbitration proceeding and BC Supreme Court proceeding over fair market rent in a large shopping mall. This case involved a significant real estate appraisal aspect.

  • Acting as a plaintiff’s counsel in a three-week trial seeking equitable recession and related relief. This case also involved a substantial element of tracing of funds.

  • Defending a BC business in a three-week trial against allegations of breach of contract, unjust enrichment and misappropriation of funds.

  • Defending a Crown Corporation in a seven-week trial against allegations that it had caused the failure of the plaintiff’s initial public offering, allegedly leading to over $30 million in damages.

  • Defending a publicly traded company in proceedings in both Ontario and BC relating to alleged claims in excess of $100 million.

  • Representing a law firm in a four-week Legal Profession Act hearing before a Registrar relating to the enforcement of a significant contingency fee agreement. This case also involved the valuation of a substantial business.  John also acted for the firm in the BC Court of Appeal in this matter.

Corporate/Shareholder Disputes
  • Defending the CEO of a TSX-V listed mineral exploration company against allegations of oppression arising out of a proxy contest.

  • Defending the CEO and founder of a large BC manufacturing company in a nine-week trial of an oppression/derivative action in BC Supreme Court in which the CEO faced allegations of oppressive conduct and conflict of interest.

  • Representing the plaintiff in a seven-week oppression trial regarding shares in a company that owned a successful taxi business as well as significant hotel assets. This case also involved a significant business valuation aspect.

  • Representing the founder of a technology company in an oppression proceeding in BC Supreme Court relating to the use of anti-dilution shares.

  • Representing a minority shareholder in a large Lower Mainland marina in a four day BC Supreme Court hearing advancing claims under the oppression remedy.

  • Acting for a large private company in litigation against its former directors and officers for misappropriation of funds. In this same dispute, John also represented the company in opposing an application for liquidation, as well as in contested proceedings to rectify its share register.

Family Law
  • Acted as counsel for a husband in the Court of Appeal regarding issues of division of corporate assets plus impluted income.

  • Acting as co-counsel for the wife of a mining executive in a matrimonial trial in BC Supreme Court involving significant corporate and trust assets. This matter settled part way through the trial.

  • Acting in a variety of mediations involving division of family businesses and family trusts.

  • Acting for individuals in S.91 FLA  injunction applications, including with respect to discretionary trust.

  • Acting for a variety of individuals and organizations in wills, estates and trust litigation.

Private International Law
  • Acting as counsel for a US trustee in bankruptcy in a four day contested hearing in BC Supreme Court seeking recognition of a judgment from the U.S. District Court relating to a Ponzi schemes under the reciprocal enforcement of judgements precisions of B.C.’s Court Order Enforcement Act.

  • Enforcing American and other judgments in BC under the Court Order Enforcement Act, as well as the Morguard principle.

  • Enforcing American letters rogatory in the BC Supreme Court.

  • Defending BC businesses and individuals against foreign judgments.

Bankruptcy and Insolvency Disputes
  • Acting in the BC Court of Appeal and Supreme Court for the trustee in bankruptcy in a complicated series of related bankruptcies.

  • Acting in the BC Court of Appeal for a debtor company appealing a decision of the BC Supreme Court that rejected the debtor’s proposal to creditors. This case remains the leading authority for the proposition that an appeal of a trustee’s valuation of a claim is a true appeal, and not a trial de novo.

  • Acting in the BC Supreme Court for an insolvent construction company seeking to have its proposal to creditors approved, and to avoid personal liability for its directors and officers. This case remains a leading authority on the types of claims against directors and officers that can be compromised through the proposal process.

  • Acting in the BC Court of Appeal for a personal debtor facing fraudulent conveyance allegations. This case remains a leading authority on the interpretation of s.38 of the Bankruptcy and Insolvency Act.

  • Acting for the liquidator of a religious corporation in a dispute relating to the exigibility of its charitable assets to pay child abuse claims. This culminated in a five-week hearing in the BC Supreme Court, followed by a hearing in the BC Court of Appeal. The matter involved issues such as the nature of ecclesiastical corporations, the exigibility of charitable trust assets, and the division of powers between the federal insolvency power and the provincial power over property and civil rights.

Securities/Investment Advisor Litigation
  • Representing an individual before the BC Court of Appeal in the first appellate decision involving the 2020 amendment to the Securities Act and Court Order Enforcement Act.

  • Representing an investment advisor in a two-week BC Supreme Court trial in which she faced allegations of having improperly taken confidential documents when she moved from one brokerage firm to another.

  • Representing an investment advisor against her former brokerage in bankruptcy proceedings in which the brokerage sought leave to pursue a fraud action against her with respect to significant deficiencies in two client accounts.

  • Representing the former CEO of a TSX-V listed junior mineral exploration company against allegations that he had engaged in insider trading with respect to the shares of that company.

Administrative Law/Public Law
  • Advising a First Nation Chief and Band Council with respect to proceedings before the Specific Claims Tribunal.

  • Acting in the BC Supreme Court and BC Court of Appeal for a local student association seeking to disassociate itself from a national student association. This case involved questions of democratic rights.

  • John has appeared before a variety of administrative tribunals and has acted as counsel for the Appeals Board of a major BC professional disciplinary body.

Professional Credentials
  • Harper Grey Commercial Litigation Group, Former Co-Chair
  • Harper Grey Mentoring Program, Mentor
  • TAGLaw International Litigation & ADR Specialty Group, Co-Chair
  • Canadian Bar Association, BC Branch, Member
  • The Law Society of British Columbia, Member


Named as a “Leading Lawyer” in the area of General Commercial Litigation (British Columbia) by Chambers Canada®

2016 – 2024

Recognized as a “Leading Lawyer” in the area of Corporate and Commercial Litigation by Best Lawyers® Canada

2015 – 2024

Recognized as a “Local Litigation Star” in British Columbia in the area of General Commercial Law by Benchmark Canada®

2014 – 2023


“John is very attentive to details and is always prepared for court.”

Chambers Canada® 2024

“He is a very meticulous and hard-working counsel who is very well liked, even by opposing counsel.”

Chambers Canada® 2024

John Sullivan is “incredibly attentive to detail and diligent about his clients’ interests.” He is active across a wide range of disputes before provincial and federal courts, and co-chairs the firm’s commercial litigation group.”

Chambers Canada® 2021

John “ truly saved my life through my case! I had no choice but to trust him and he exceeded my expectations. He was outstanding at navigating and guiding me at a time that was like climbing Mount Everest. He worked endlessly to get me a quick resolution. I’m so grateful to him.”

Benchmark Canada®

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