Atty. Paul S. Prosterman

Atty. Paul S. Prosterman

Paul Prosterman practises mainly in the areas of insurance law, class actions, pharmaceutical and consumer product liability. On the insurance front, he has considerable experience respecting insurance coverage, providing opinions and defending insurers' coverage positions; insurance defence; policy interpretation and drafting; "Canadianizing" policy wordings; professional liability insurance; technology errors and omissions; cyber liability; commercial general liability and property claims.

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Profile Summary

About Paul S. Prosterman at a glance

Paul S. Prosterman is a class action, product liability, and insurance attorney based in Montreal, Quebec, practicing at DWF LLP. Recognitions include Lawyer of the Year — Director and Officer Liability Practice, Montréal (Canada) (2026), Best Lawyers in America — Class Action Litigation (2026), and Best Lawyers in America — Director and Officer Liability Practice (2026). Serands clients in Montreal, QC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Paul Prosterman practises mainly in the areas of insurance law, class actions, pharmaceutical and consumer product liability
  • On the insurance front, he has considerable experience respecting insurance coverage, providing opinions and defending insurers' coverage positions
  • insurance defence
  • policy interpretation and drafting
  • "Canadianizing" policy wordings
  • professional liability insurance
  • technology errors and omissions
  • cyber liability
  • commercial general liability and property claims
  • He has considerable experience managing books of insurance business and working with insurers on primary, excess and run-off claims
  • On the class actions front, he has considerable experience in respect of product liability and recalls of drug, consumer and commercial products, and in defending life science companies in relation to prescription and over-the-counter drug products and consumer goods and industrial companies
  • Licensed to practise law in Quebec, and Ontario and Saskatchewan, his class action expertise spans the country
  • Mr. Prosterman regularly works with clients based in Canada, the United States and Europe on matters requiring the collaboration and coordination of counsel in different jurisdictions
  • He has extensive experience in multijurisdictional litigation involving insurance and product liability issues

Practice Areas Explained

Paul S. Prosterman's Areas of Practice

Each practice area below reflects the types of cases Paul S. Prosterman handles, with a brief overview of what that area of law covers.

Class Action

Paul S. Prosterman is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Quebec →

Product Liability

Paul S. Prosterman is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Quebec →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Paul S. Prosterman is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Quebec →

Jurisdictional Context

Why local counsel matters in Quebec

Practicing law in Quebec. Legal matters in Quebec are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Montreal are typically filed in the local municipal court or the appropriate Quebec state district court, depending on subject matter and amount in controversy. An attorney licensed in Quebec brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Quebec courts without local counsel or pro hac vice admission.

Looking for additional Quebec attorneys? Browse all attorneys in Montreal or all attorneys in Quebec.

Frequently Asked

Common questions about Paul S. Prosterman

Where is Paul S. Prosterman's law office located?
Paul S. Prosterman's law practice is located in Montreal, Quebec. The firm is DWF LLP. You can contact the office directly through this profile page.
What practice areas does Paul S. Prosterman handle?
Paul S. Prosterman focuses on class action, product liability, insurance. Each practice area listed reflects experience handling cases of that type in Quebec.
How can I contact Paul S. Prosterman for a consultation?
You can contact Paul S. Prosterman directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Paul S. Prosterman received?
Paul S. Prosterman's notable recognition includes: Lawyer of the Year — Director and Officer Liability Practice, Montréal (Canada); Best Lawyers in America — Class Action Litigation; Best Lawyers in America — Director and Officer Liability Practice; Best Lawyers in America — Insurance Law; Best Lawyers in America — Product Liability Law.

Awards

Lawyer of the Year — Director and Officer Liability Practice, Montréal (Canada)
- 2026
Best Lawyers in America — Class Action Litigation
- 2026
Best Lawyers in America — Director and Officer Liability Practice
- 2026
Best Lawyers in America — Insurance Law
- 2026
Best Lawyers in America — Product Liability Law
- 2026

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