Kosta Kostic

Robert Thiffault is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation, Corporate Law and Tax Law. Robert, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.

Constantinos Ragas is a senior partner at Fasken and a national co-lead of the firm’s Emerging Technology Group, a premier legal practice serving Canada’s innovation economy. Based in Montréal, he is widely recognized as one of the top venture capital and technology M&A lawyers in the country, with a practice that blends legal precision, strategic thinking, and deep market insight. For nearly two decades, Constantinos has played a leading role in shaping Québec&r...

Luc R. Borduas is a partner of the firm and he devotes his practice to corporate law, including mergers and acquisitions, partnerships, and joint ventures in the fields of pharmaceuticals, intellectual property, as well as domestic and international trade. Mr. Borduas represents many national, international, and regional companies active in the manufacturing, commercial, and services sectors, including venture capital firms. Mr. Borduas also represents universities and university health centr...

Yaël Lachkar is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Yaël, who practices law in Westmount, Quebec, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yaël is held by other top lawyers in the same geographic and legal practice area.

Brian Moulaison is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Brian, who practices law in Montréal, Quebec, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.

Étienne Brassard is a partner and member of the Business Law group. His practice primarily focuses on private financing, mergers and acquisitions as well as corporate law. He regularly advises local and international businesses in relation to all forms of private financings, from traditional or convertible debt to equity investments. Étienne has developed considerable expertise in securing traditional bank or equipment financing by way of leasing, the whole in view of operating ...

Jean-François Gagnon is the Chief Executive Officer of Langlois Lawyers. He is also a member of the firm’s Executive Committee and Board of Directors. His practice focuses on complex commercial litigation, corporate governance, strategy, crisis management, ethics and deontology. He has wide-ranging experience in matters involving directors’ and officers’ liability, the management of not-for-profit organizations, construction law and insurance law. Jean-François...

Jean Michel Lapierre is a business lawyer recognized for his leading practice in mergers & acquisitions, capital markets and securities law. Jean Michel has been involved in several major acquisition, sale, merger or going-private transactions of publicly-traded companies, including friendly and hostile take-over bids and complex statutory arrangements. He has also been involved in a large number of private M&A transactions. He has acted on behalf of issuers, securities dealers and in...

Jean-Yves Simard is a partner and a member of the board of directors of the firm, who specializes in commercial litigation, bankruptcy and insolvency, extraordinary remedies, and realizing on security. Mr. Simard acts in commercial litigation of all kinds, major insolvency cases, shareholder disputes, securities litigation, liquidation proceedings, injunctions, and cases involving the realization of movable and immovable security. At conferences organized by the Canadian Bar Association, Insi...

André Durocher practises in the areas of class actions, environmental law, energy law, and Indigenous Legal Matters. André is an experienced litigator and defends clients before the civil and penal courts and administrative tribunals. He has defended clients during class actions in the areas of environmental, consumer protection, competition, food, energy, pension plans, municipal, and Indigenous Legal Matters. He represents pharmaceutical laboratories, railways, airlines, manuf...