Atty. Jack R. Maslen

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.

Call (403) 269-6900 Book Appointment

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.

Verified attorney profile · Updated June 2026

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 & Corporate Law

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

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.

Frequently Asked

Common questions about Jack R. Maslen

Where is Jack R. Maslen's law office located?
Jack R. Maslen's law practice is located in Calgary, Alberta. The firm is Lawson Lundell LLP. You can contact the office directly through this profile page.
What practice areas does Jack R. Maslen handle?
Jack R. Maslen focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in Alberta.
How can I contact Jack R. Maslen for a consultation?
You can contact Jack R. Maslen 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 Jack R. Maslen received?
Jack R. Maslen's notable recognition includes: Best Lawyers in America — Corporate and Commercial Litigation; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Insolvency and Financial Restructuring Law.

Awards

Best Lawyers in America — Corporate and Commercial Litigation
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Insolvency and Financial Restructuring Law
- 2026

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.