Atty. James O'Leary

Atty. James O'Leary

James O'Leary is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. James, who practices law in St.

St. Louis St. Louis 31 yrs experience 31 year
Call (314) 405-9000 Book Appointment

Profile Summary

About James O'Leary at a glance

James O'Leary is a personal injury, class action, and product liability attorney based in St. Louis, Missouri, practicing at O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC. They have 31+ years of legal experience, licensed to practice since 1995. Admitted to practice in Missouri (1995). Educated at Saint Louis University (—, 1995) and University of Tulsa (—, 1992). Recognitions include Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs (2026), Best Lawyers in America — Personal Injury Litigation - Plaintiffs (2026), and Best Lawyers in America — Product Liability Litigation - Plaintiffs (2026). Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • James O'Leary is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs
  • James, who practices law in St. Louis, Missouri, has been recognized since 2022
  • This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James is held by other top lawyers in the same geographic and legal practice area

Practice Areas Explained

James O'Leary's Areas of Practice

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

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

James O'Leary is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Missouri →

Class Action

James O'Leary is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Missouri →

Product Liability

James O'Leary is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in St. Louis are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri 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 Missouri courts without local counsel or pro hac vice admission.

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about James O'Leary

Where is James O'Leary's law office located?
James O'Leary's law practice is located in St. Louis, Missouri. The firm is O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC. You can contact the office directly through this profile page.
What practice areas does James O'Leary handle?
James O'Leary focuses on personal injury, class action, product liability. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has James O'Leary practiced law?
James O'Leary has 31+ years of legal experience and has been licensed since 1995.
Where did James O'Leary go to law school?
James O'Leary earned their education at (—, 1995); (—, 1992).
How can I contact James O'Leary for a consultation?
You can contact James O'Leary 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 James O'Leary received?
James O'Leary's notable recognition includes: Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs; Best Lawyers in America — Personal Injury Litigation - Plaintiffs; Best Lawyers in America — Product Liability Litigation - Plaintiffs; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Litigation - Construction.

Education

Saint Louis University
- 1995
University of Tulsa
- 1992

Awards

Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs
- 2026
Best Lawyers in America — Personal Injury Litigation - Plaintiffs
- 2026
Best Lawyers in America — Product Liability Litigation - Plaintiffs
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Litigation - Construction
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Multi-Million Dollar Advocates Forum
- 2026

Bar Admissions

Missouri
Admitted: 1995

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