About Thornton Grout Finnigan LLP

Thornton Grout Finnigan LLP (TGF) is a Toronto law firm with a narrow focus: commercial litigation and restructuring and insolvency law. It doesn't take on a general caseload. Instead its lawyers concentrate on complex disputes and corporate insolvencies for financial institutions, regulatory agencies, publicly traded companies, and the receivers and monitors that courts appoint to oversee troubled companies. The firm operates from a single office in the Toronto-Dominion Centre, in the heart of the city's financial district, with a team of lawyers and law clerks working across both practice areas.

TGF's lawyers have acted in some of the largest insolvency and restructuring matters in Canadian history. The firm acted for the UK Pension Claimants, the largest single creditor in the worldwide Nortel Networks estate, in a case that produced a cross border pro rata allocation of US$7.3 billion. It has also acted for the court appointed receiver of Bridging Finance, for creditors in the Air Canada restructuring, for the court appointed monitor Ernst & Young in the restructuring of Stelco, and in the wind down of Blockbuster Canada's store network. Robert I. Thornton and John L. Finnigan continue to practise at the firm.

Practice areas

Not listed

In the community

  • TGF lawyers volunteer through Pro Bono Ontario, an organization that connects lawyers with low income Ontarians who need legal help.
  • Firm lawyers sit on the boards of Worldwide Orphans Foundation Canada and Canada's Great Kitchen Party Toronto.
  • The firm takes part in the Sporting Life 10K in support of Camp Oochigeas, a camp for children affected by childhood cancer, and in the Daily Bread Food Bank's Law Firm Holiday Challenge.
  • Since 2015, TGF has designated the Maryse and William Brock Chair, which supports stem cell transplant research, as its chosen charity.
  • TGF lawyers teach as instructors in the law faculties of three Ontario law schools.

Good to know

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Where to find them

Suite 3200, 100 Wellington Street West, P.O. Box 329, Toronto-Dominion Centre, Toronto, Ontario M5K 1K7 · 416-304-1616

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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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