Atty. Jack R. Maslen
Jack maintains a broad commercial litigation practice with a focus on insolvency and restructuring, debtor-creditor remedies, real estate, banking, fraud, and energy-related matters. He advises companies, directors, shareholders, lenders, and accounting professionals on all aspects of insolvency and restructuring proceedings under the Companies’ Creditors Arrangement Act and the Bankruptcy and Insolvency Act , both in Canada and in cross-border contexts.
Profile Summary
About Jack R. Maslen at a glance
Jack R. Maslen is a business and litigation attorney based in Calgary, Alberta, practicing at Lawson Lundell LLP. Recognitions include Best Lawyers in America — Corporate and Commercial Litigation (2026), Best Lawyers in America — Additional Areas of Practice: (2026), and Best Lawyers in America — Insolvency and Financial Restructuring Law (2026). Serands clients in Calgary, AB and the surrounding metropolitan area.
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About
- Jack maintains a broad commercial litigation practice with a focus on insolvency and restructuring, debtor-creditor remedies, real estate, banking, fraud, and energy-related matters
- He advises companies, directors, shareholders, lenders, and accounting professionals on all aspects of insolvency and restructuring proceedings under the Companies’ Creditors Arrangement Act and the Bankruptcy and Insolvency Act, both in Canada and in cross-border contexts
- Jack also has significant experience in international commercial arbitration, including representing clients in proceedings under UNCITRAL and ICC rules
- Before joining Lawson Lundell, he practiced internationally in Doha, Qatar, and London, U.K., where he maintained a dedicated international arbitration practice
- He frequently appears before the Alberta Court of King’s Bench and other Canadian courts
Practice Areas Explained
Jack R. Maslen's Areas of Practice
Each practice area below reflects the types of cases Jack R. Maslen 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.
Jack R. Maslen is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Alberta →
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Jack R. Maslen is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Alberta →
Jurisdictional Context
Why local counsel matters in Alberta
Practicing law in Alberta. Legal matters in Alberta are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Calgary are typically filed in the local municipal court or the appropriate Alberta state district court, depending on subject matter and amount in controversy. An attorney licensed in Alberta 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 Alberta courts without local counsel or pro hac vice admission.
Looking for additional Alberta attorneys? Browse all attorneys in Calgary or all attorneys in Alberta.
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