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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S

Sean Lueilwitz

Feb 02, 2026

O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC did a great job handling my complex law case from start to finish

Needed help with law and O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in undefin...

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Clay Upton-Thiel

Feb 02, 2026

So happy with the results of my case thanks to the hard work of O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC and staff

I didn't think I'd find such a good lawyer in undefined, but here we are and I am thoroughly impressed. O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC is just awesome and exceeded all my e...

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Nettie Ernser

Feb 02, 2026

Highly recommend O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC for anyone needing expert law help in undefined

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...

D

Daniel Lesch

Feb 02, 2026

Simply amazing representation from O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC's office during my recent legal matter

Honestly, I can't thank O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC enough for everything they've done for me. They really know their stuff when it comes to law and it shows in the resu...

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Sonia Veum

Feb 02, 2026

Highly recommend O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC for anyone needing expert law help in undefined

Honestly, I can't thank O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC enough for everything they've done for me. They really know their stuff when it comes to law and it shows in the resu...