Heenan Blaikie LLP is a now defunct Canadian law firm. It practiced in the areas of business, labour and employment, litigation, taxation, entertainment law and intellectual property law. The firm was founded in 1973 by Roy Heenan, Donald Johnston, and Peter Blaikie. Based in Montreal, at one time the firm had over 500 lawyers with offices in Toronto, Ottawa, Calgary, Vancouver, Victoria, Quebec City, Sherbrooke, Trois-Rivières and Paris, and representative offices in Singapore. and a satellite office in Los Angeles which closed its doors in December 2015. The firm was one of the top ten firms in Canada; as of February 2011, it was the sixth largest law firm in Canada. It became the largest law firm to close in Canadian history after its partners voted to dissolve the firm on February 5, 2