Patrick J. Sullivan

Patrick practices mining, M&A and capital markets transactional law with an emphasis on advising public companies in the mining industry. He has deep industry expertise having advised a wide range of clients in connection with royalty, streaming, joint venture, option and project purchase transactions as well as in respect of mineral tenure issues. He also regularly advises on public and private mergers and acquisitions, corporate finance transactions on behalf of issuers and underwriters, reorganizations, issuer bids, all manner of debt transactions, compliance with stock exchange rules and continuous disclosure obligations. Additionally, he advises on corporate governance matters including proxy contests.

Representative Work

Latest Insights

  • Osler Update Oct 2, 2018

    Mining industry trends – Strategic investment transactions

    The combination of macroeconomic uncertainty and speculation over trade wars has not been kind to commodity prices or the mining industry lately.

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Awards and Recognition

  • Best Lawyers: Recognized as “One to Watch” in Securities Law, Mining Law and Corporate Governance Practice

Media Mentions

  • Osler News Feb 16, 2024

    Osler welcomes seven new partners and one new counsel in 2024

    Osler is pleased to announce the addition of seven new partners and one new counsel across our offices in Toronto, Montréal, Calgary and Vancouver,...

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Speaking and Writing

Speaking Engagements

speaker 22/11/2022
Mining breakfast – Prepare and Protect!
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University of British Columbia, J.D.

Queen’s University, B.A.


  • English

Professional Affiliations

  • Law Society of British Columbia
  • Law Society of Ontario
  • Canadian Bar Association - Securities Law Subsection Executive (2018-2022)
  • Vancouver Bar Association
  • Prospectors and Developers Association of Canada
  • Rocky Mountain Mineral Law Foundation