Atty. Terrence J. O'Sullivan

Atty. Terrence J. O'Sullivan

Terrence J. O'Sullivan is a lawyer practicing commercial litigation, banking litigation, civil litigation and 3 other areas of law.

53 yrs experience 53 year
Call (877) 820-1210 Book Appointment

Profile Summary

About Terrence J. O'Sullivan at a glance

Terrence J. O'Sullivan is a Partner, practicing at Lax O'Sullivan Lisus Gottlieb LLP. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on business, product liability, and litigation. Admitted to practice in Ontario (1973). Educated at Osgoode Hall (LL.B., 1971) and University of Toronto (B.A., 1968). Recognitions include AV Preeminent.

Verified attorney profile · Updated June 2026

About

  • Terrence J. O'Sullivan is a lawyer practicing commercial litigation, banking litigation, civil litigation and 3 other areas of law
  • Terrence J. received a B.A. degree from University of Toronto in 1968, and has been licensed for 53 years
  • Terrence J. practices at Lax O'Sullivan Lisus Gottlieb LLP in Toronto, ON

Practice Areas Explained

Terrence J. O'Sullivan's Areas of Practice

Each practice area below reflects the types of cases Terrence J. O'Sullivan 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.

Terrence J. O'Sullivan is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Product Liability

Terrence J. O'Sullivan is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys →

Civil Litigation

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

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

Frequently Asked

Common questions about Terrence J. O'Sullivan

What practice areas does Terrence J. O'Sullivan handle?
Terrence J. O'Sullivan focuses on business, product liability, litigation. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has Terrence J. O'Sullivan practiced law?
Terrence J. O'Sullivan has 53+ years of legal experience and has been licensed since 1973.
Where did Terrence J. O'Sullivan go to law school?
Terrence J. O'Sullivan earned their education at (LL.B., 1971); (B.A., 1968).
How can I contact Terrence J. O'Sullivan for a consultation?
You can contact Terrence J. 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.
What awards or recognition has Terrence J. O'Sullivan received?
Terrence J. O'Sullivan's notable recognition includes: AV Preeminent.

Education

LL.B.
Osgoode Hall
- 1971
B.A.
University of Toronto
- 1968

Awards

AV Preeminent

Bar Admissions

Ontario
Admitted: 1973

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