Pasquale "Pat" Santini CS

Keith A. MacLaren is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Keith A., 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 Keith A. is held by other top lawyers in the same geographic and legal practice area.

Michèle D. Blais is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Michèle D., 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 Michèle D. is held by other top lawyers in the same geographic and legal practice area.

Constance Too is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Constance, 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 Constance is held by other top lawyers in the same geographic and legal practice area.

Shawn Duguay is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Shawn, 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 Shawn 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...

Michael Crichton is a partner in Gowling WLG's Ottawa office and the Canadian leader of Gowling WLG's Intellectual Property Litigation & Strategy Group. Michael has well over a decade of experience as an intellectual property litigator and strategic adviser. Both his domestic and international clients consist of companies engaged in a wide range of technologies, including mechanical, electrical, computer hardware and software, manufacturing/fabrication, communications, and related technol...

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...

Craig J. Stehr is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Craig J., who practices law in Ottawa, Ontario, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Craig J. is held by other top lawyers in the same geographic and legal practice area.

Guy Giorno leads the firm’s Political Law practice. He advises clients on lobbyist registration, government accountability and ethics, public-sector conflict of interest and government procurement. Former Chief of Staff to the Prime Minister of Canada, Guy remains an active, influential force in shaping lobbyist registration laws in Canada. Widely recognized as Canada’s leading expert in lobbying law, Guy regularly represents corporate executives and lobbyists in enforcement proce...

An award-winning and highly sought-after lawyer, Guy has experience in complex commercial litigation (including class actions), administrative law and constitutional law cases. Guy frequently appears before the Supreme Court of Canada (SCC), the Superior and Appeal Courts of Ontario and Québec, the Federal Court (FC) and Federal Court of Appeal (FCA). Guy was named to the Order of Canada in 2022, recognizing his contributions as a lawyer, notably to pro bono work, and for his volunteer...