About Mendonca Law Office

Mendonca Law Office is a small firm headquartered in Cochrane, Ontario, with additional offices in Timmins and Ottawa. Lucia Mendonca founded the firm in 2013 and has practised in Northern Ontario for more than 18 years, according to the firm's own website. Mendonca holds a BA, LLL and LLB from McGill University and the University of Ottawa. The firm also includes associate lawyer Dominique J. Cheff, who started at the firm as a student in 2014, earned a Juris Doctor (cum laude) in French from the University of Ottawa in 2019, and was called to the Ontario bar on May 28, 2020. Cheff grew up in Cochrane and is bilingual in English and French.

The firm practices family law, child protection law, criminal law, real estate law, wills and estates, and corporate law, and offers services in both English and French. Lucia Mendonca is also listed as a Legal Aid Ontario lawyer; that listing notes work in domestic violence, child protection, criminal matters and Gladue assessments, and lists fluency in English, French, Italian, Portuguese and Spanish. Mendonca currently serves as Secretary of the Cochrane Law Association.

In the community

  • Mendonca Law Office mentors articling students beginning their legal careers, according to its website.
  • Lucia Mendonca serves as Secretary of the Cochrane Law Association.

Good to know

A person using a wheelchairAccessible parkingA calendar with a checkmark beside a clockBy appointment

This firm’s lawyers at a glance

Languages on the roster
English, French

Offices 3

93 Pine St South, Timmins, Ontario P4N 2K1

400-200 Elgin St., Ottawa, Ontario K2P 1L5

A-135 Third Street West, Conv. Box 3636, Cochrane, Ontario P0L 1C0

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This listing was generated by AI from public sources in September 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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