Andrew Paterson

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...

Ryan Steeves is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Ryan, who practices law in Ottawa, Ontario, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ryan is held by other top lawyers in the same geographic and legal practice area.

Stephanie Pearce is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Health Care Law and Public Procurement Law. Stephanie, 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 Stephanie is held by other top lawyers in the same geographic and legal practice area.

Dr. John Norman is a partner in the Ottawa office of the firm, practising in the Intellectual Property Group. He helps Canadian and foreign clients manage their patent and intellectual property portfolios and develop litigation strategies. Working primarily with leading national and international pharmaceutical, biotechnology and technology companies, John appears on behalf of clients before the Federal Court of Canada, the Federal Court of Appeal and the Supreme Court of Canada. John advises...

Wendy Wagner is a partner in Gowling WLG's Ottawa office and leader of the firm's Privacy & Data Protection Group. Her practice focuses on international trade law, as well as privacy, access to information and defamation law. In her international trade law practice, Wendy represents the firm’s clients in matters involving trade and investment agreements, export controls and sanctions/embargos, and all aspects of customs compliance (tariff classification, origin, valuation, and Admin...

Marion Bailey-Canham is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Marion, who practices law in Ottawa, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marion is held by other top lawyers in the same geographic and legal practice area.

Erin Page is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence. Erin, who practices law in Ottawa, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Erin is held by other top lawyers in the same geographic and legal practice area.

Maureen Murphy is a partner in the firm’s Ottawa office. She practices in the areas of medical law and privacy law. She has experience representing clients before the Federal Court, Superior Court of Justice, as well as various administrative tribunals. Maureen has a particular interest in information technology and privacy law issues that affect medical professionals. Maureen provides businesses with advice on how to comply with Canada’s privacy laws. She assists clients in devel...

Michael Milne is a Partner and a Certified Customs Specialist in Cassidy Levy Kent’s Ottawa office. Mr. Milne has also worked in Cassidy Levy Kent’s Washington, D.C. office. Mr. Milne offers dynamic representation across trade litigation (primarily antidumping and countervailing duty investigations), sanctions and export controls, and customs law issues. Mr. Milne regularly advises clients in the steel, building products, agricultural, consumer products, and automotive industries....

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...