Michael O'Neill

Donald Dow is a partner in the firm's Ottawa office practising in the advocacy department. Donald’s practice is focused in the area of medical defence litigation, health law and professional disciplinary proceedings. Donald has over 17 years of experience in malpractice litigation, medical device/instruments liability claims, class actions and has handled numerous civil trials. He has appeared as counsel at the Ontario Court of Appeal and the Supreme Court of Canada. Donald heads our Ot...

Andrew W. McKenna is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation, Medical Negligence and Professional Malpractice Law. Andrew W., 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 Andrew W. is held by other top lawyers in the same geographic and legal practice area.

Dirk Bouwer is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Dirk, 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 Dirk is held by other top lawyers in the same geographic and legal practice area.

Marta Siemiarczuk is a Partner and Head of the Family Law Group of Nelligan Law. Marta is a lawyer and arbitrator and practices in the areas of Family Law and Collaborative Family Law, Estates and Civil Litigation. Marta has acted as a co-instructor at the University of Ottawa, Faculty of Law, for Civil Procedure and the Alternative Dispute Resolution Program. She is a regular guest lecturer at the University of Ottawa in Family Law. Marta is also a regular columnist on various family law top...

Wayne Kerrick is a partner in the firm’s Ottawa office, practising in the areas real estate, secured lending and construction law. Wayne has completed numerous purchase, sale and financing transactions of all manner and size and has developed a substantial expertise in the area of construction financing and the review and interpretation of construction contracts. Wayne was the managing partner of the Ottawa office from 2008 until 2011.

Jeffrey G. Mutter is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Medical Negligence. Jeffrey G., who practices law in Ottawa, Ontario, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey G. is held by other top lawyers in the same geographic and legal practice area.

Marc Richard is a partner in the Gowling WLG Ottawa office, practising in the areas of patents, trademarks and copyright, with a particular focus on patent litigation. Marc has acted for clients on numerous patent matters relating to pharmaceuticals, as well as matters relating to oil and gas, electronics, food products, agriculture, mining, consumer goods and manufacturing. Marc appears regularly as an advocate before the Federal Court and has presented before the Federal Court of Appeal, th...

Joshua Sprague is a business lawyer focusing primarily on commercial real estate. Joshua represents and advises companies on a wide variety of matters, including leasing, acquiring, financing and developing real property assets. He assists clients with all aspects of commercial real property transactions, including due diligence and risk management. Joshua regularly advises financial institutions on loan implementation and documentation, including risk allocation and enforcing delinquent loans.

Chantal Tourigny is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence. Chantal, 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 Chantal is held by other top lawyers in the same geographic and legal practice area.

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.