About William Poulos Law Office

William Poulos Law Office is a sole practitioner civil litigation practice in Kingston, Ontario. William Poulos was called to the Ontario Bar in 1990 and has practised litigation for more than 35 years across multiple levels of court. The practice covers commercial litigation, real estate litigation, insurance coverage disputes, debtor creditor matters, partnership and corporate disputes, landlord and tenant issues, and small claims court cases. Because it's a one lawyer office, a client who retains the firm works with Poulos directly, from the file's opening through to its resolution, rather than being handed off to an associate.

Poulos has also written extensively for Canadian legal publications, with articles appearing in C.P.C., the Real Property Reports, C.L.Q., The Lawyers' Daily and Law360 Canada over more than two decades. One of those pieces, on how much detail a party must show to prove prejudice on a motion to amend pleadings, was cited and agreed with by the Ontario Court of Appeal in its 2017 decision in 1588444 Ontario Ltd. v. State Farm Fire and Casualty Company. Poulos has also mentored law school graduates preparing for admission to the Ontario bar through Toronto Metropolitan University's Law Practice Program.

In the community

  • Poulos has mentored law school graduates preparing for admission to the Ontario bar through Toronto Metropolitan University's Law Practice Program for the past ten years.

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Where to find them

P.O. Box 22010, RPO Cataraqui, 1071 Midland Avenue, Kingston, ON K7P 2X8 · 613-532-5811

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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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