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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Sharon Connelly

Feb 02, 2026

Top notch experts in undefined - O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC is by far the best lawyer I've ever had

Best lawyer for law in undefined. Period. I've seen others, but O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC is on another level. They truly care about their clients and work hard to get...

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Stephen Johnson

Feb 02, 2026

A huge weight off my shoulders thanks to the amazing work of O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC

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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Christopher Auer

Feb 02, 2026

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

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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Joann Wiegand

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've worked with a few lawyers in undefined over the years, but O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC stands out for their honesty and thoroughness. They were clear about the proc...

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Jeremiah Larson

Feb 02, 2026

Outstanding experience with O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC in undefined - truly the best legal team

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...