20 leading lawyers in Constitutional Law in Canada in 2026
Impact Lawyers’ editorial selection brings together twenty professionals with particularly significant experience in Constitutional Law in Canada.
| Lawyer | Firm | Main profile |
|---|---|---|
| Bradley E. Berg | Blake, Cassels & Graydon | Constitutional Law |
| Catherine Bélanger Pâquet | McCarthy Tétrault | Constitutional Law |
| Catherine H. Kim | Boughton Law | Constitutional Law |
| Claire Lehan | McCarthy Tétrault | Constitutional Law |
| Craig Ross | Pallett Valo | Constitutional Law |
| Curtis Marble | Carbert Waite | Constitutional Law |
| Gail P. Black | Miller Thomson | Constitutional Law |
| Ian J. Binnie | Blake, Cassels & Graydon | Constitutional Law |
| James Kelsall | McCarthy Tétrault | Constitutional Law |
| Jan Goddard | Goddard Gamage | Constitutional Law |
| Jennifer R. Lamb | Suntjens McKinnon | Constitutional Law |
| Liezl Behm | McCarthy Tétrault | Constitutional Law |
| Lyndsey Delamont | McCarthy Tétrault | Constitutional Law |
| Marc-Étienne Boucher | McCarthy Tétrault | Constitutional Law |
| Mary Paterson | Osler | Constitutional Law |
| Michael Caldecott | McCarthy Tétrault | Constitutional Law |
| Nimali Gamage | Goddard Gamage | Constitutional Law |
| Samuel Lepage | McCarthy Tétrault | Constitutional Law |
| Sanjaya Mendis | McCarthy Tétrault | Constitutional Law |
| Susan Sack | Rosen Sack | Constitutional Law |
How the ranking was prepared
The selection has been prepared through an independent editorial analysis and an overall assessment of the career, specialisation, experience and professional recognition of the lawyers included.
Multiple sources of information have been taken into account, including the websites of the professionals themselves and their firms, news and publications appearing in the media, matters and transactions in which they have been involved, their academic and institutional activity, their national and international profile, and references within the legal and business community.
Particular attention has also been paid to the perception of clients and professionals familiar with their work, assessing factors such as the trust they inspire, responsiveness, legal judgement, effectiveness in resolving matters and the recognition achieved within their respective areas of specialisation.
The result reflects a combined editorial assessment of objective and qualitative factors, designed to capture not only career track record and technical knowledge, but also the prestige and professional standing each lawyer has consolidated through legal practice.
How to interpret the selection
The ranking is an editorial snapshot of the legal market in Canada based on public information available in 2026. It does not measure fees, guarantee outcomes or claim that any included professional is the right choice for every matter. The choice of counsel should take into account the precise specialty, possible conflicts of interest, jurisdiction, availability, language, budget and relationship of trust.
Professional careers and firm structures can change. Future editions should therefore verify partner moves, new firms, changes of role and potential incompatibilities.
