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

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

4.5 (57 reviews )
St. Louis, Missouri
THE BEST LAWYERS IN AMERICA® AWARDS:: 6 BEST LAW FIRMS® AWARDS:: 5
314-405-9000 Visit Website Directions

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

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.

Office Locations

St. Louis, MO

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

314-405-9000

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Awards & Recognition

Featured Awards

THE BEST LAWYERS IN AMERICA® AWARDS: 6

BEST LAW FIRMS® AWARDS: 5

All Awards

  • Top Listed in St. Louis in Product Liability Litigation - Plaintiffs with 5 lawyers

Key Contacts

Michael J. Dalton, Jr.

Partner

636.734.1012

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Reviews

4.5 / 5

57 Reviews

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Iris Schulist

Feb 02, 2026

The absolute best in undefined for law - and I mean that from the bottom of my heart

I was really stressed about my case in undefined, but O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC made everything so smooth and stress-free. Seriously, the best decision I've made latel...

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Lewis Kessler

Feb 02, 2026

Really helpful and compassionate service from everyone at O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC's firm

Everyone at O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC's office in undefined was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and expl...

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Marcia Sawayn

Feb 02, 2026

A very good experience overall with the entire team at O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC's legal practice

I appreciate how O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC handled my case. No fluff, just straight to the point and very effective representation for my law matter. They are obviousl...

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Alfred Balistreri

Feb 02, 2026

Reliable lawyer you can count on - O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC provided excellent service throughout

It's hard finding a reliable lawyer these days, but O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC in undefined is definitely one of the good ones. Would use them again if needed without h...

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Theresa Kautzer

Feb 02, 2026

Five stars for the incredible team at O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC in undefined - they are amazing

Really glad I found O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how...