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

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

United States 2025

Overview

The personal injury lawyers at O’Leary, Shelton, Corrigan, Peterson, Dalton & Quillin are experienced in representing countless individuals who have been injured due to the negligence of others in St. Louis and throughout the country.

Size:
6
Magnifying glass with star icon
Practice Areas:
3
Person outline with Best Lawyers logo
Best Lawyers Recognized:
6

Rankings

National

Tier
2
National Ranking
Mass Tort Litigation / Class Actions - Plaintiffs

Regional

St. Louis

Tier
1
St. Louis
Mass Tort Litigation / Class Actions - Plaintiffs
Tier
1
St. Louis
Personal Injury Litigation - Plaintiffs
Tier
1
St. Louis
Product Liability Litigation - Plaintiffs
Tier
2
St. Louis
Workers' Compensation Law - Claimants

Rankings

National

Tier
2
National Ranking
Mass Tort Litigation / Class Actions - Plaintiffs

Regional

St. Louis

Tier
1
St. Louis
Mass Tort Litigation / Class Actions - Plaintiffs
Tier
1
St. Louis
Personal Injury Litigation - Plaintiffs
Tier
1
St. Louis
Product Liability Litigation - Plaintiffs
Tier
2
St. Louis
Workers' Compensation Law - Claimants

Practice Areas

O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC has been ranked by Best Law Firms for excellence in 4 specialties, reflecting the firm's commitment to delivering outstanding legal services.
Additionally, the firm provides services in these practice areas:
  • Mass Tort Litigation / Class Actions - Plaintiffs
  • Personal Injury Litigation - Plaintiffs
  • Product Liability Litigation - Plaintiffs

Individuals Recognized in The Best Lawyers in America®

O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC proudly has 6 lawyers recognized for their outstanding professional performance in the 2025 edition of The Best Lawyers in America®. This peer-reviewed honor highlights individual excellence and directly qualifies the firm for consideration in the prestigious Best Law Firms rankings. For over four decades, Best Lawyers has been the gold standard for recognizing top legal talent, serving as the cornerstone for Best Law Firms awards. Learn more about our rigorous Best Lawyers research and selection process.
Spinning circle
{{ practiceAreaName }}
{{ lawyer.FirstName[0] }}{{ lawyer.LastName[0] }}
{{ lawyer.Locations[0].City }}{{lawyer.Locations[0].StateCode ? ', ' + lawyer.Locations[0].StateCode : '' }}

Client Comments

A strong relationship between a client and their law firm is key to achieving the best possible outcomes. Open communication, trust, and collaboration ensure that attorneys understand each client’s unique goals and needs. Choosing the right firm means finding a team with the experience, knowledge, and dedication to guide you through every stage of the legal process.
Client comments reflect personal opinions and individual experiences. Every case is different, and outcomes depend on specific facts and circumstances. Past results and testimonials do not guarantee similar outcomes in future matters. For personalized legal advice, consult directly with an experienced attorney who can evaluate your specific situation and provide tailored guidance.
Spinning circle
 

Offices & Contacts

St. Louis, MO
The University Tower, Penthouse-1A
1034 South Brentwood Boulevard, 23rd Floor
St. Louis, MO 63117
United States
Michael J. Dalton, Jr.
Partner
Find the Best Law Firms
Search for a Law Firm
Search our directory of over 16,000 firms across the Globe.
Search
Is Your Law Firm Ranked?
Enhance your firm's reputation and visibility with our marketing opportunities.
Marketing Opportunities
Ranked Practice Areas
See the practice areas included in our Best Law Firms research.
Practice Areas