Strategic Research Partner of the American Bar Association's Section of International LawThe Queen's Award for Enterpise 2012

Osler Hoskin & Harcourt LLP

This firm appears in the Who's Who Legal 100 2014

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Mergers and Acquisitions

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Legal Offices for Osler Hoskin & Harcourt LLP

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Calgary, Canada

Suite 2500, TransCanada Tower

Montreal, Canada

1000 de La Gauchetière Street West

Ottawa, Canada

Suite 1900

New York, USA

620 8th Avenue, 36th Floor

Québec, Canada

1000 De La Gauchetière Street West

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Osler Hoskin & Harcourt LLP - The Who's Who Legal 100 2014

What is the Who's Who Legal 100?

With offices across Canada and in New York, Osler is well placed to service the increasing number of clients looking for US-Canada legal support and aims to provide clients with a seamless cross-border service. Putting clients first, Osler seeks to understand their industries and objectives and provide timely, efficient and practical advice. The success of the firm’s strategy can be seen in its achievements: in 2013, Osler Hoskin & Harcourt topped the underwriting table for deal value, working on deals that raised $15.59 billion. 

Capital Markets 2 Information Technology 1
Commercial Litigation 2 Insolvency & Restructuring 3
Competition 1 M&A 1
Construction 1 Project Finance 1
Corporate Governance 2 Public Procurement 2
Corporate Tax 8 Real Estate 1
Energy 4 Trade & Customs 2
Environment 1 Trademarks 1
Franchise 4


Osler has a “pre-eminent” corporate tax practice comprising of almost 60 professionals. The practice encompasses tax advice relating to M&A, corporate reorganisations and restructurings, general tax advisory services, tax litigation, transfer pricing and Canada/US cross-border tax planning. David Tetreault chairs the tax department and is noted for his “exceptional abilities” in the sector. His experience includes advising Tim Hortons on its reorganisation to become a Canadian public corporation. Richard Tremblay specialises in transfer pricing matters and international tax; he is “highly sought after”. Patrick Marley earns recognition for providing “superb” advice in relation to international tax planning, domestic and cross-border M&A, reorganisations and corporate finance. He has advised Royal Bank of Canada in connection with its acquisition of the Canadian automobile finance and deposit business of Ally Financial. Firoz Ahmed concentrates on the taxation of M&A transactions, corporate reorganisations, debt restructurings, partnership arrangements and international taxation. He is considered a “leading authority” in the field. Robert Raizenne in Montreal has a broad tax practice encompassing transactions and tax planning as well as litigation. David Hardy in the firm’s New York office is particularly active in cross-border matters. He advises on international issues with a special focus on companies in the energy industry.

Total Listings in WWL 40 Established 1862
Home jurisdiction Canada Total size of firm 400
Number of partners 221 Number of offices 5

The energy practice covers electrical power, oil and gas, and renewables and is highly regarded. Shawn Denstedt QC is “internationally renowned” for his expertise in this field and has advised the Federal Republic of Nigeria on the development of its oil sands regulatory system as well as Canada’s largest energy industry associations in respect of regulatory reform for energy project development. Robert Desbarats QC specialises in oil and gas and advises on the acquisition and disposition of energy assets and energy corporations. He has experience in relation to crude oil, natural gas and LNG transportation, and oil sands projects.

Osler has a “stellar” franchise team including “heavyweight” Frank Zaid, who is known throughout the world for his work in this field. Based in Toronto, he advises Canadian and international franchisors. Chair of the national franchise and distribution practice group Andraya Frith is known for providing “sophisticated advice” to franchisors in a range of industries including quick service restaurants, retail, pharmacy, automotive, real estate and hospitality. Jennifer Dolman is also well regarded by peers for her litigation practice focused on representing franchisors while Dominic Mochrie advises start up domestic franchisors and multinational franchisors on agreements and establishing and managing distribution systems.

Competition is a further area in which the firm excels. Its representative work includes advising Entertainment One in its acquisition of Alliance Films, Maple Leaf in connection with the acquisition of the Puratone Corporation and Irving Oil in relation to the defence of charges under the Competition Act. The practice is chaired by Michelle A Lally, a lawyer with over 20 years’ experience in competition law including merger control, strategic alliances, price-fixing and bid-rigging investigations, and pricing and distribution matters. Peter Franklyn has represented clients including General Motors, Microsoft, Honeywell and Procter & Gamble, and advises on the full range of competition law including merger control, cartels, strategic alliances, and pricing and distribution. Graham Reynolds QC is a “formidable litigator” who frequently represents clients in antitrust cartel investigations. Peter L Glossop is best known for his work on foreign investment review and his experience includes advising China Investment Corporation in its transaction with Penn West Energy Trust.


Osler works with charitable, non-profit and public interest organisations as well as low-income individuals. The firm also takes on important test cases involving significant matters that affect all Canadians. Examples of the firm’s work includes advising an international AIDS advocacy organisation regarding AIDS education and awareness in Africa, assisting a Canadian drug treatment organisation on incorporation and corporate governance matters and representing children before provincial school boards regarding requests to accommodate special education needs.


Osler supports and promotes diversity within the firm, legal industry and its local communities. Its initiatives include a women’s network teamsite, a Kids & Company programme which offers child/elder care options to help all employees achieve a better work-life balance, and working with and sponsoring organisations such as Ascend Canada Pan-Asian Leaders, Black Law Students Association of Canada and Aboriginal Law Student Summer Employment Programme.


Osler continues to promote talent from within the firm, electing six associates to its partnership in March 2013. The lawyers are based in the firm’s Toronto, New York and Calgary offices. More recently, the firm has expanded its Montreal office with three strategic hires in its M&A, securities and tax practices. 

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