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.
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).
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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 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 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 →
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