Thomson Blackburn Lane Lefebvre LLP
3 lawyers · City of Toronto
One of 2,345 law firms listed in Toronto, and one of 202 handling Insurance Law.
3 lawyers · City of Toronto
One of 2,345 law firms listed in Toronto, and one of 202 handling Insurance Law.
Thomson Blackburn Lane Lefebvre LLP, which does business as TBLL Advocates, is a small litigation firm with an office in the DBRS Tower at 181 University Avenue in Toronto's financial district. The firm's LinkedIn company page lists a 2020 founding year. Four lawyers carry the firm's name: James P. Thomson, Janice E. Blackburn, James R. Lane and Julia L. Lefebvre, though Blackburn has since retired from active practice.
The practice concentrates on defending professionals and the insurers who cover them. Its lawyers act for accountants, engineers, architects, financial advisors and health practitioners in professional liability claims and in disciplinary hearings before regulators such as the Law Society of Ontario, the College of Physicians and Surgeons of Ontario and Professional Engineers of Ontario. The firm also handles insurance coverage disputes, media and defamation matters for news organizations and publishers, and marine and transportation claims for shipowners, insurers and freight forwarders.
Appellate work is a particular focus. The firm's advocates appear regularly before the Court of Appeal for Ontario and have argued cases at the Supreme Court of Canada. In one professional liability matter, the firm represented design professionals over the structural design of the Rogers Centre stadium dome roof.
Wheelchair accessibleThe firm's office is in the DBRS Tower at 181 University Avenue, one of two buildings in the Adelaide Place office complex in Toronto's financial district. The building connects directly to the PATH, Toronto's underground pedestrian network, linking it to nearby transit, hotels and retail.
University Avenue itself runs north from the financial core past a cluster of major teaching hospitals, including Toronto General, Mount Sinai and The Hospital for Sick Children, a stretch long nicknamed 'Hospital Row.' It's a fitting corridor for a firm whose health law work involves hospitals, psychiatric facilities and health professionals, alongside a litigation practice built around courtroom and tribunal work across the city.
Thomson Blackburn Lane Lefebvre LLP 181 University Avenue Suite 2200 Toronto ON M5H 3M7 · 416-982-3802
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Personal InjuryListing compiled from the firm’s public website in September 2026. Verify licence status in the Law Society of Ontario directory ↗