Eva Massai Warden

Baker & McKenzie LLP


Eva Massai Warden is an associate in Baker McKenzie's Global Antitrust & Competition Group. She joined the Firm’s Toronto office as an associate in 2013 and is now based in the Firm's London office with the Competition, Trade & Foreign Investment Practice Group.

Practice Focus

Eva’s practice is focused on antitrust/competition as well as foreign investment law. She has broad experience advising clients carrying on business within Europe and the UK and on a multi-jurisdictional basis. She regularly advises clients on merger control, including Phase 1 and Phase 2 proceedings, as well as foreign investment and national security considerations in corporate and commercial transactions.

Eva also advises on a range of other competition law issues, including cartel arrangements, private antitrust litigation and anticompetitive arrangements, and regularly provides day-to-day strategic counsel on various horizontal and vertical trade activities such as pricing practices, selective distribution systems and the creation of joint venture arrangements.

Professional Associations and Memberships

  • Law Society of England and Wales
  • Law Society of Upper Canada
  • International Bar Association


  • England & Wales~United Kingdom (2023)
  • Ontario~Canada (2013)


  • The London School of Economics and Political Science (LL.M., with distinction) (2018)
  • McGill University, Montreal (B.C.L., LL.B.) (2011)
  • McGill University, Montreal (B.A., Joint Honours) (2007)


  • English
  • French
  • Italian

Previous Offices

  • Toronto
  • Co-author, Canada: Pharmaceuticals, “The Antitrust Review of the Americas,” Global Competition Review, 2019 and 2018.
  • Co-author, Canada chapter,  "Dominance in Getting the Deal Through," 2019 and 2018 .