James OLeary

Mass Tort Litigation / Class Actions - Plaintiffs

5.0 (1 reviews)

St. Louis, Missouri

30+ years experience

O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC

Updated: Jan 03, 2026

Contact Information

314-405-9000

https://osclaw.com/our-attorneys/james-oleary/

The University Tower, Penthouse-1A, 1034 South Brentwood Boulevard, 23rd Floor, St. Louis, MO 63117

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Bio

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.

Local Legal Snapshot

Jurisdiction

Missouri

State Capital

Jefferson City

Highest Court

Missouri Supreme Court

Bar Association

Missouri Bar

Typical Consultation

$150-$300

Typical Hourly Range

$250-$450/hr

Fee Model Notes

Hourly or flat-fee billing is common.

Estimates vary by market, complexity, urgency, and attorney experience.

Practice Areas

Mass Tort Litigation / Class Actions - Plaintiffs

Awards & Recognition

Recognized: Mass Tort Litigation / Class Actions - Plaintiffs
Recognized: Personal Injury Litigation - Plaintiffs
Recognized: Product Liability Litigation - Plaintiffs
Practice Area: Litigation - Construction
2022 Missouri Lawyer's Weekly, Power List for Personal Injury2010-2022 Missouri Super Lawyer2016-2021 Top Attorney in Plaintiff's Personal InjuryMulti-Million Dollar Advocates Forum2021 Top 20 Wrongful Death Verdict in U.S.

Recognized in Best Lawyers since 2022

Education

Saint Louis University, Law, graduated 1995
University of Tulsa, Political Science/Law & Society, graduated 1992

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Reviews

Samuel Green

3 months ago

A Lifeline After a Defective Medical Device

When a faulty medical implant left me with chronic pain and mounting medical bills, I felt overwhelmed. Mr. O'Leary's three decades of experience, particularly his recognized expertise in product liability and mass tort litigation, were immediately apparent. He and his team at O'Leary, Shelton, Corrigan meticulously explained the complex process of joining a larger action, ensuring I understood every step. His deep knowledge, honed from his Saint Louis University School of Law education and long-standing practice in Missouri, was invaluable. We achieved a settlement that secured my future medical care and provided true financial stability. His professionalism is matched only by his genuine compassion. I cannot recommend him highly enough for anyone facing similar corporate negligence.