About Creighton Law LLP

Creighton Law LLP is a full service law firm based in Oshawa. The firm describes itself as one of the oldest law firms in Canada and the oldest in Durham Region, tracing its roots to 1885, when it was established by John Frederick Grierson, whose father served as Oshawa's first police magistrate. T. Kelso Creighton joined the practice in 1919. Creighton was later appointed a King's Counsel in 1938 and served as a Member of Provincial Parliament in Ontario from 1945 to 1948. The firm's name changed more than once over the following decades. At one point it operated as Creighton, Victor, Alexander, Hayward and Morison before eventually becoming Creighton Law LLP.

Today the firm's lawyers handle family law, wills and estates, real estate, estate litigation, civil litigation, business and corporate law, immigration, and landlord and tenant matters, serving Oshawa and the wider Durham Region. Legal services are offered in English and French, and the firm also provides notarial services. Many of the firm's earlier partners served as Crown attorneys, military officers, or judges, a history the current lawyers point to as part of what they try to live up to.

In the community

  • Lawyers at the firm have been involved with organizations including the Lakeridge Health Foundation, the Chamber of Commerce, the Kiwanis and Rotary clubs, Big Sisters, the Hearth Place Cancer Support Centre, the United Way, and the Ontario Philharmonic.
  • The firm has had lawyers take part as volunteers at the Pan Am Games.
  • One of the firm's associate lawyers currently sits on the Youth Justice Committee with BGC Durham.

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

Fees & payment

A clock beside gold coins with a dollar signHourly

This firm’s lawyers at a glance

Called to the bar
1980–2024 · median 19 years in practice 4 of 5 lawyers
Law schools
University of Windsor (4), Osgoode Hall Law School 5 of 5 lawyers
Languages on the roster
English, French

Where to find them

235 King St. E. Oshawa, ON L1H 1C5 · 905-723-3446

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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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