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Title: lawyer, equity partner Year of call: 1998

Expertise: business law

Marc Tremblay is a professional engineer and a lawyer. He practices business law with a focus on mergers and acquisitions and financing of private corporations, particularly in the technology and the telecommunication sectors. While handling transactions within the information technology and manufacturing sectors, he negotiates various agreements for the development, licensing, integration,and transfer of technology, the outsourcing of computer services and business processes and the setting up of joint ventures and strategic alliances.

In recent years, Marc has represented major Canadian companies in large multi billion dollar transactions.

Marc is responsible for our Business Law Group and our Technology and Innovation Group. He is a nationally recognized expert in transactional law, among others, being repeatedly recommended by LEXPERT magazine as a leading expert in Technology Transactions and Computer and IT law. In the past, Marc had worked as a professional engineer for an engineering consulting firm as well as for Rio Tinto, one of the largest mining companies in the world.

His fields of specialization include:

  • Energy and Natural Resources
  • Manufacturing
  • Financial Services
  • Technology and Innovation
  • Transportation

Assistant: Suzanne Roberge


  • Business law (commercial law, corporate law, information technology law, corporate financing, mergers and acquisitions, intellectual property, foreign transactions)


  • LL.B., University of Montreal  (1996)
  • B. Eng., McGill University (1993)

Professional experience

  • Cain Lamarre (Montreal) (2016 to present)
  • Norton Rose Fulbright (Montreal) (2000-2016)
  • McCarthy Tétrault (Montreal) (1996-2000)

Lecturing, conferences, publications

  • Representations, warranties, indemnification and limitation of liability in commercial transactions: common risk allocations and pitfalls, Cain Lamarre (May 2016)
  • Allocation de risques et limitation de responsabilité dans le cadre de contrats internationaux importants, Norton Rose Fulbright presentation, Montreal (Fall 2014)
  • Considérations juridiques liées à l’infonuagique (cloud computing), Canadian Tax Foundation, Montreal (March 2013)
  • Certaines considérations concernant la qualification juridique des opérations touchant la propriété intellectuelle, Canadian Tax Foundation, Montreal (November 2012)
  • Recent Trends in Structuring Strategic Alliances and Joint Ventures, The Canadian Institute, Montreal (January 2009), and Quebec City (February 2009)
  • Confidentiality obligations and the impacts of the decision of the Supreme Court of Canada in Dell Computer, Conference on IT Security, Insight, Montreal (January 2008)
  • Dell Computer Corporation vs Union des consommateurs, an analysis of the decision of the Supreme Court of Canada, IT.Can Quebec, Montreal (December 2007)
  • Risks and pitfalls associated with the use of open source code in the development of proprietary software, CEIM, Montreal (November 2007)
  • Lawful Access: Impacts of the Proposed Reforms on Telecommunications Operators, IT.Can Annual Conference, Vancouver (October 2007)
  • IT-IP considerations in M&A and investment transactions, Fondation de l’Entrepreneurship (sponsored by Desjardins Capital de risque and MIT Entrepreneurship Center), Montreal (July 2007)
  • Web 2.0 and its Challenges, a seminar on the liability of the parties involved in the diffusion and creation of Web 2.0 products, University of Montreal (April 2007)
  • Outsourcing business activities, functions and processes for federally regulated financial institutions in Canada (March 2010)
  • Fundamental changes under the New Quebec Business Corporations Act (February 2010)
  • Online income of eBay sellers taxable (August 2009) – Impartir, ce n'est pas signer un chèque en blanc, journal Les Affaires quotes Marc Tremblay in an article on outsourcing (November 2011)
  • Former lecturer, Business Law, Faculty of Law, University of Sherbrooke

Associations, committees, boards

  • American Bar Association
  • Ordre des ingénieurs du Québec
  • Canadian Bar Association
  • Member, Licensing Executives Society (U.S.A. & Canada) Inc.
  • CAN-TECH (Canadian Technology Law Association)
  • Member, advisory committee, Chair in E-Security and E-Business Law, Faculty of Law, University of Montréal
  • Former member , advisory committee, Microsigns Systems
  • Former member, board of directors, Canadian IT Law Association
  • Former member, board of directors, Recykinfo inc.
  • Former member, board of directors, Théâtre La Chapelle


  • Computer & IT law expertise recognized in Canadian Legal Lexpert Directory (since 2013)
  • Technology Transactions expertise recognized in Canadian Legal Lexpert Directory (since 2012)