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Atty. John L. Treleaven

Atty. John L. Treleaven

John L. Treleaven is a lawyer practicing commercial, aerospace, banking law.

46 yrs experience 46 year
Call (877) 820-1210 Book Appointment

Profile Summary

About John L. Treleaven at a glance

John L. Treleaven is a business and aviation attorney. They have 46+ years of legal experience, licensed to practice since 1980. Admitted to practice in Alberta (1980). Educated at University of Alberta (LL.B. B., 1979) and University of Alberta (B. Comm., 1975).

Verified attorney profile · Updated June 2026

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About

  • John L. Treleaven is a lawyer practicing commercial, aerospace, banking law
  • John L. received a degree from University of Alberta in 1975, and has been licensed for 46 years
  • John L. practices in Brampton, ON

Practice Areas Explained

John L. Treleaven's Areas of Practice

Each practice area below reflects the types of cases John L. Treleaven 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.

John L. Treleaven is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

John L. Treleaven is one of 9,225 aviation attorneys indexed nationally. Browse aviation attorneys →

Frequently Asked

Common questions about John L. Treleaven

What practice areas does John L. Treleaven handle?
John L. Treleaven focuses on business, aviation. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has John L. Treleaven practiced law?
John L. Treleaven has 46+ years of legal experience and has been licensed since 1980.
Where did John L. Treleaven go to law school?
John L. Treleaven earned their education at (LL.B. B., 1979); (B. Comm., 1975).
How can I contact John L. Treleaven for a consultation?
You can contact John L. Treleaven 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.

Practice Areas

Aerospace Banking Law Commercial

Education

LL.B. B.
University of Alberta
- 1979
B. Comm.
University of Alberta
- 1975

Bar Admissions

Alberta
Admitted: 1980

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