Atty. John Cassell

Atty. John Cassell

John Cassell is the Canadian co-head of our cybersecurity and data privacy practice. John assists clients with all manner of privacy and cybersecurity law issues including: responding to complex local and international cybersecurity incidents, advising on risk management strategies, assisting clients with access to information requests, complying with Canada's anti-spam legislation and proceedings before the offices of the Alberta and federal privacy commissioners.

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Profile Summary

About John Cassell at a glance

John Cassell is a securities and internet attorney based in Calgary, Alberta, practicing at Norton Rose Fulbright Canada LLP. Recognitions include Best Lawyers in America — Privacy and Data Security Law (2026) and Best Lawyers in America — Technology Law (2026). Serands clients in Calgary, AB and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Cassell is the Canadian co-head of our cybersecurity and data privacy practice
  • John assists clients with all manner of privacy and cybersecurity law issues including: responding to complex local and international cybersecurity incidents, advising on risk management strategies, assisting clients with access to information requests, complying with Canada's anti-spam legislation and proceedings before the offices of the Alberta and federal privacy commissioners

Practice Areas Explained

John Cassell's Areas of Practice

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

Securities Law

John Cassell is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Alberta →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

John Cassell is one of 17,958 internet attorneys indexed nationally. Browse internet 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 John Cassell

Where is John Cassell's law office located?
John Cassell's law practice is located in Calgary, Alberta. The firm is Norton Rose Fulbright Canada LLP. You can contact the office directly through this profile page.
What practice areas does John Cassell handle?
John Cassell focuses on securities, internet. Each practice area listed reflects experience handling cases of that type in Alberta.
How can I contact John Cassell for a consultation?
You can contact John Cassell 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 John Cassell received?
John Cassell's notable recognition includes: Best Lawyers in America — Privacy and Data Security Law; Best Lawyers in America — Technology Law.

Awards

Best Lawyers in America — Privacy and Data Security Law
- 2026
Best Lawyers in America — Technology Law
- 2026

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