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Firm Profile

Lenczner Slaght Royce Smith Griffin LLP

Firm Profile


  • Profile
  • 130 Adelaide Street West
  • Suite 2600
  • Toronto
  • Ontario
  • Canada
  • ON M5H 3P5

Firm profile submitted by Lenczner Slaght Royce Smith Griffin LLP

Managing Partner: Peter Griffin
Number of partners: 23 (plus 6 Counsel)
Number of lawyers: 52
Languages:English, Estonian, French, German, Hebrew, Korean, Polish, Spanish

Widely recognised as Canada’s leading litigation practice, Lenczner Slaght has successfully represented clients’ interests in complex, high-profile cases across the country. The firm’s trial and appeal lawyers are distinguished by their depth of courtroom experience. They have honed their skills through many years of challenging cases at all levels of the courts and before every kind of tribunal, as well as in mediation and arbitration proceedings. Lenczner Slaght is also known for its wealth of talent. The firm’s senior litigators, ranked among the best of their peers nationally, lead a recruitment and mentoring program that attracts bright, accomplished young lawyers who are committed to upholding the highest professional standards. From commercial disputes, class actions and crossborder disputes to administrative law and professional regulation, Lenczner Slaght has the expertise and experience to position a case for success, enhance the prospect of a favourable resolution – and achieve positive results in a hearing or trial.


Including a broad range of disputes arising in virtually every aspect of commercial and professional activity. The firm’s senior litigators are well known and respected in the appellate courts. They are frequently retained as counsel to provide opinions on and argue appeals.

Including complex cases in multiple, often competing jurisdictions in a wide range of business sectors that include infrastructure, mining, oil and gas, technology and financial services representing Canadian and international clients in disputes governed by all of the widely recognised rules of arbitration.

Class Actions:
Including Canadian, cross-border and multi-jurisdictional cases involving shareholder and securities claims, negligence, product liability, health and medical malpractice, insurance, pensions and environmental liability.

Commercial Litigation:

Including complex corporate and securities matters, contract disputes, regulatory proceedings, competition matters, defamation, oppression and other statutory claims, franchising matters and real property litigation.

Including individual and class actions alleging breaches of the Competition Act such as misleading advertising, price fixing and conspiracy and all types of regulatory and criminal investigations, including those conducted by the federal Competition Bureau.

Including acting for owners and developers, contractors and subcontractors, lenders and underwriters, and architecture and engineering firms in the full spectrum of construction matters, from insurance and liability claims, to progress payments and holdbacks, to defects, omissions and other performance issues on projects ranging from residential developments to multi-billion-dollar infrastructure projects across Canada and internationally.

Defamation & Media:

Including acting as litigation or advisory counsel in libel issues arising across all print, broadcast and digital media channels and representing both plaintiffs and defendants through libel trials, on appeal and before the Supreme Court of Canada.

Employment: Including employment strategy, policies and practices, employments standards, restrictive covenants, confidentiality, wrongful dismissal and workplace management.

Estates Litigation:
Including complex, high-profile, high-stakes disputes and volatile emergency situations where preservation of assets is a priority, especially in estates disputes involving incapacity and related issues.

Insolvency & Restructuring:
Including commercial reorganisations and restructurings, receiverships, bankruptcies and other facets of insolvency litigation, creditors’ rights and secured transaction disputes.

Including the full spectrum of insurance, re-insurance matters and coverage including expected or intended damage or injury; known loss; trigger of coverage; allocation among insurers; sudden and accidental, as well as the absolute, pollution exclusion; late notice; clean-up costs as damages; owned property exclusion; alienated premises exclusion; post-acquisition coverage; drop-down issues and the obligations owed by a primary insurer to an excess insurer.

Intellectual Property:
Including matters involving patents, trade-marks, copyright and competition law – acting for national and multinational clients in the pharmaceutical (both generic and innovators), biotech, medical devices, nutrition, media, recording and broadcasting industries, among others.

Professional Liability & Regulation:
Including representation or prosecution of various regulated professionals including physicians, psychologists, dentists, engineers, nurses, lawyers, investment advisors and others before investigative and disciplinary tribunals, as well as boards and committees of professional organisations, self-governing bodies and in civil proceedings.

Product Liability:

Including liability litigation support to makers of: pharmaceuticals and medical devices, processed food and beverages, personal care products, motor vehicles, trains, boats, and planes, elevators and escalators, heating and plumbing systems, construction and building materials, industrial equipment, and computer hardware and software in cases involving multiple insurer claims that often cross borders.

Public & Administrative:
Including acting as counsel for all levels of government, for government agencies and Crown corporations and for companies conducting business with governments and their agencies, as well as for individuals and organisations dealing with specific regulators and/or overall regulatory regimes.

Securities Litigation:
disclosure requirements, representation before securities commissions and other regulators and directing internal investigations.