Headshot of Joshua Lerner.
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Joshua D. Lerner

Partner

Joshua is a litigator who represents individuals and organizations across a broad range of disputes, with a particular focus on employment and commercial matters. His practice spans contract and business disputes, workplace and employment issues, and regulatory and professional liability matters, including health law, and he brings a practical, strategic approach to resolving conflict wherever it arises.

Areas of Expertise

  • Business and Contractual Disputes

  • Employment and Labour Disputes

  • Professional Negligence and Discipline

  • Administrative and Public Law

  • Constitutional Law

  • Tribunals and Commissions

Education

  • Called to Ontario Bar (2018)

  • Juris Doctor, Western Law (2014-2017)

  • B.A., Honours Political Science, Wilfrid Laurier University (2009-2013)

Awards and Recognition

  • Best Lawyers in Canada, Ones to Watch, Health Care Law (2025-2027), Corporate and Commercial Litigation (2026-2027)

Memberships

  • Advocates Society, Young Advocates Standing Committee

  • Pro Bono Ontario, Volunteer

A Tailored Approach to Each Client

Joshua Lerner is a partner in the Toronto office with a broad litigation practice, encompassing commercial, employment, regulatory, and health law matters, among other civil disputes. He represents both individuals and organizations in a wide variety of mandates, whether at the negotiating table, before a tribunal, or in court.

Joshua's employment law practice includes advising and representing both employers and employees on contracts, workplace policies, and terminations. His commercial litigation practice is similarly broad, covering shareholder and partnership disputes, breach of contract claims, and other business conflicts, alongside a regulatory practice that includes health law matters such as medical negligence and professional discipline.

Joshua recognizes that successful representation demands a tailored approach to the unique needs of each client, and he brings empathy, tact, and a strategic mind to every file so that he can effectively advocate on a client's behalf.

Joshua Lerner is a partner in the Toronto office with a broad litigation practice, encompassing commercial, employment, regulatory, and health law matters, among other civil disputes. He represents both individuals and organizations in a wide variety of mandates, whether at the negotiating table, before a tribunal, or in court.

Joshua's employment law practice includes advising and representing both employers and employees on contracts, workplace policies, and terminations. His commercial litigation practice is similarly broad, covering shareholder and partnership disputes, breach of contract claims, and other business conflicts, alongside a regulatory practice that includes health law matters such as medical negligence and professional discipline.

Joshua recognizes that successful representation demands a tailored approach to the unique needs of each client, and he brings empathy, tact, and a strategic mind to every file so that he can effectively advocate on a client's behalf.