Atty. John O'Sullivan

Atty. John O'Sullivan

John O'Sullivan is a lawyer practicing litigation. John received a B.A. degree from University of Exeter in 1978, and has been licensed for 38 years.

38 yrs experience 38 year
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Profile Summary

About John O'Sullivan at a glance

John O'Sullivan is a litigation attorney. They have 38+ years of legal experience, licensed to practice since 1988. Admitted to practice in Ontario (1988). Educated at University of Ottawa (LL.B., 1986) and University of Exeter (B.A. Hons, 1978). Active member of Canadian Bar Association Ontario Bar Association Commonwealth Lawyers Association.

Verified attorney profile · Updated June 2026

About

  • John O'Sullivan is a lawyer practicing litigation
  • John received a B.A. degree from University of Exeter in 1978, and has been licensed for 38 years
  • John practices in Toronto, ON

Practice Areas Explained

John O'Sullivan's Areas of Practice

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

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John O'Sullivan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys →

Frequently Asked

Common questions about John O'Sullivan

What practice areas does John O'Sullivan handle?
John O'Sullivan focuses on litigation. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has John O'Sullivan practiced law?
John O'Sullivan has 38+ years of legal experience and has been licensed since 1988.
Where did John O'Sullivan go to law school?
John O'Sullivan earned their education at (LL.B., 1986); (B.A. Hons, 1978).
How can I contact John O'Sullivan for a consultation?
You can contact John O'Sullivan 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

Education

LL.B.
University of Ottawa
- 1986
B.A. Hons
University of Exeter
- 1978

Bar Admissions

Ontario
Admitted: 1988

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