Margot E. Patterson

Louis-Pierre Grégoire is a partner in Gowlings’ Ottawa office. He focuses his practice on construction law and civil litigation with an emphasis on construction matters, commercial disputes, condominium law, insurance, product liability, and professional responsibility. He has represented many parties in the construction industry (financial institutions, owners, contractors, material suppliers, entrepreneurs, engineers, manufacturers, building officials and home inspectors). Loui...

Derek Keay is a partner in the firm’s Ottawa office. Derek practises corporate law with an emphasis on corporate finance and mergers and acquisitions, primarily involving emerging technology companies. His primary focus is on providing advice to Canadian and international companies, together with angel, venture capital and institutional investors in relation to debt and equity financing transactions. He also has extensive experience in advising companies, shareholders and acquirers in c...

Susan D. Mitchell proudly hails from North Bay, Ontario and continues to provide legal services in Northern Ontario as well as Eastern Ontario. Susan works primarily in our Ottawa office, but also travels to our locations in Cornwall, North Bay, and Kingston as needed to meet with clients on personal injury matters. Susan began practicing in 2002 and has been a Partner at Tierney Stauffer LLP since 2007. She became Managing Partner in 2018. Susan practices civil litigation, focusing on person...

Jodi Murray is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Medical Negligence and Professional Malpractice Law. Jodi, who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jodi is held by other top lawyers in the same geographic and legal practice area.

Daniel Boivin is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence. Daniel, who practices law in Ottawa, Ontario, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Lewis Retik is a partner in Gowling WLG's Ottawa office, practising primarily in the area of corporate commercial and regulatory law. Lewis' practice focuses on regulatory and commercial issues relating to the commercialization of products, including regulatory licencing, product distribution, manufacturing, advertising, packaging and labelling. Lewis has extensive experience working with companies of all sizes, ranging from recent startups to large international companies in a variety of spe...

Tara Sweeney joined Soloway Wright in 2000 as a civil litigation lawyer in Ottawa. Tara practices general litigation, including Professional Negligence, Medical Malpractice , Personal Injury , Estates Litigation and Commercial Litigation . Tara has appeared before the Superior Court of Justice, Divisional Court of Ontario, the Court of Appeal for Ontario, the Federal Court, the Federal Court of Appeal and various administrative tribunals, including professional colleges. Tara has been accepte...

John Peters is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. John, who practices law in Ottawa, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Jay Zakaïb is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice. Jay, who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jay is held by other top lawyers in the same geographic and legal practice area.

Lorraine Mastersmith is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Technology Law. Lorraine, who practices law in Ottawa, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lorraine is held by other top lawyers in the same geographic and legal practice area.