Atty. David A. Ziegler

Atty. David A. Ziegler

David Ziegler’s robust civil litigation and arbitration practice encompasses business-critical commercial and financial disputes, class actions, product liability matters, construction matters (including adjudications), and disputes requiring international arbitration. His vast experience acting for both Canada- and US-based companies is sought after for domestic and cross-border disputes, spanning a broad range of industries including mining, rail, professional services, insurance, banking and finance, accounting, manufacturing, and construction.

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Profile Summary

About David A. Ziegler at a glance

David A. Ziegler is a business and litigation attorney, practicing at Fasken. Recognitions include Best Lawyers in America — Corporate and Commercial Litigation (2026).

Verified attorney profile · Updated June 2026

About

  • David Ziegler’s robust civil litigation and arbitration practice encompasses business-critical commercial and financial disputes, class actions, product liability matters, construction matters (including adjudications), and disputes requiring international arbitration
  • His vast experience acting for both Canada- and US-based companies is sought after for domestic and cross-border disputes, spanning a broad range of industries including mining, rail, professional services, insurance, banking and finance, accounting, manufacturing, and construction
  • He is also routinely trusted to advise clients on the enforcement and recognition of foreign judgments in Canada
  • A dual-qualified lawyer in New York and Ontario, David leverages experience in securities litigation and general commercial disputes gained while practicing with a leading international law firm in New York, prior to joining Fasken
  • Adept in managing large and complex e-Discovery projects, David also advises clients on best practices related to document preservation and collection, the preparation and circulation of litigation holds, and the use of modern data processing tools
  • He leads an initiative at Fasken to ensure that the Firm maintains and provides a state-of-the-art e-Discovery process for clients

Practice Areas Explained

David A. Ziegler's Areas of Practice

Each practice area below reflects the types of cases David A. Ziegler handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

David A. Ziegler is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

David A. Ziegler is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys →

Frequently Asked

Common questions about David A. Ziegler

What practice areas does David A. Ziegler handle?
David A. Ziegler focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How can I contact David A. Ziegler for a consultation?
You can contact David A. Ziegler 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 David A. Ziegler received?
David A. Ziegler's notable recognition includes: Best Lawyers in America — Corporate and Commercial Litigation.

Awards

Best Lawyers in America — Corporate and Commercial Litigation
- 2026

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