Firm Profile

Lax O'Sullivan Lisus Gottlieb LLP

Canada Guide 2026

Ranked departments
Ranked lawyers
Canada

Lax O'Sullivan Lisus Gottlieb LLP

Lax O'Sullivan Lisus Gottlieb LLP

www.lolg.ca

Contact number

+1 416 598 1744

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About

Provided by Lax O'Sullivan Lisus Gottlieb LLP
Canada

Managing Partner: Matthew P Gottlieb

Number of partners: 15

Number of other lawyers: 20+

Languages: English, French, Italian, Spanish

Firm Overview:

Lax O’Sullivan Lisus Gottlieb (LOLG) is Canada’s preeminent business litigation firm. The firm’s lawyers handle the most complex commercial disputes and public law cases. They carry a robust trial, arbitration and appellate practice across the country and in the Supreme Court of Canada.

LOLG is regularly engaged as trial and appellate co-counsel by peer law firms, and as court officers in large and sensitive litigation mandates. The firm also acts as counsel in class actions, insolvency, securities, insurance, trusts, infrastructure, franchise and select administrative and public law matters when substantial commercial interests are at stake.

LOLG has one of Canada’s leading restructuring & insolvency practices. The firm’s insolvency counsel are ranked among the top nationally and have material roles in Canada’s largest and most complex insolvency proceedings and restructurings.

LOLG also has a market-leading policyholder-side coverage disputes group. The firm is engaged as leading counsel advising policyholder clients on insurance claims and litigating coverage disputes against major insurers.

LOLG’s partners are fellows and members of elite trial and industry organizations. They are among the most consistently recommended counsel in Canada and are recognized across leading industry directories. The firm’s associates are recruited from judicial clerkships and leading national firms.

Main Areas of Practice:

  • Appellate Litigation
  • Arbitration and Mediation
  • Audit Liability and Professional Negligence
  • Automotive
  • Class Actions
  • Commercial Litigation
  • Competition Law
  • Corporate Governance Disputes
  • Franchise Litigation
  • High Net Worth Trust and Estates Litigation
  • Indigenous Litigation
  • Infrastructure and Construction
  • Insurance Coverage Disputes
  • Public Law
  • Real Estate Litigation
  • Restructuring and Insolvency
  • Securities Litigation

Ranked Offices

Provided by Lax O'Sullivan Lisus Gottlieb LLP

Canada - Head office

Lax O'Sullivan Lisus Gottlieb LLP rankings

Canada Guide 2026
Filter by
Band
Nationwide - Canada
Insurance: Dispute Resolution
1 Department
1 Ranked Lawyer
Department
Insurance: Dispute Resolution
3
Insurance: Dispute Resolution
3
Band 3
Lawyers
Hovsep Afarian
1
Hovsep Afarian
1
Band 1
Litigation: General Commercial
1 Department
Department
Litigation: General Commercial
3
Litigation: General Commercial
3
Band 3
Restructuring/Insolvency
1 Department
2 Ranked Lawyers
Department
Restructuring/Insolvency
6
Restructuring/Insolvency
6
Band 6
Lawyers
Matthew P Gottlieb
5
Matthew P Gottlieb
5
Band 5
Andrew Winton
6
Andrew Winton
6
Band 6
Ontario
Litigation: General Commercial
9 Ranked Lawyers
Lawyers
Jonathan C Lisus
1
Jonathan C Lisus
1
Band 1
Crawford G Smith
2
Crawford G Smith
2
Band 2
Matthew P Gottlieb
2
Matthew P Gottlieb
2
Band 2
Nadia Campion
5
Nadia Campion
5
Band 5
Rahool Agarwal
5
Rahool Agarwal
5
Band 5
Andrew Winton
6
Andrew Winton
6
Band 6
Paul Michell
6
Paul Michell
6
Band 6
Brad Vermeersch
U
Brad Vermeersch
U
Up and Coming
Philip Underwood
U
Philip Underwood
U
Up and Coming
Litigation: General Commercial: The Elite
1 Department
Department
Litigation: General Commercial: The Elite
1
Litigation: General Commercial: The Elite
1
Band 1