Atty. Kari Peterson

Atty. Kari Peterson

Kari is a founding member of O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC. Her practice includes all aspects of personal injury litigation, including: catastrophic injuries, many of which result in amputations; wrongful death claims; products claims; premises liability cases; auto and trucking accidents; all-terrain and side by side/utility-task vehicle accidents; forklift accidents; electrocution and power line cases; construction accidents; workplace accidents; and workers' compensation.

St. Louis St. Louis 26 yrs experience 26 year
Call (314) 405-9000 Book Appointment

Profile Summary

About Kari Peterson at a glance

Kari Peterson is a personal injury, workers comp, and product liability attorney based in St. Louis, Missouri, practicing at O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC. They have 26+ years of legal experience, licensed to practice since 2000. Admitted to practice in Missouri (2000), Kansas (2001), and Illinois (2009). Educated at University of Missouri – Kansas City (—, 2000). Recognitions include Best Lawyers in America — Personal Injury Litigation - Plaintiffs (2026), Best Lawyers in America — Product Liability Litigation - Plaintiffs (2026), and Best Lawyers in America — Workers' Compensation Law - Claimants (2026). Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Kari is a founding member of O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC. Her practice includes all aspects of personal injury litigation, including: catastrophic injuries, many of which result in amputations
  • wrongful death claims
  • products claims
  • premises liability cases
  • auto and trucking accidents
  • all-terrain and side by side/utility-task vehicle accidents
  • forklift accidents
  • electrocution and power line cases
  • construction accidents
  • workplace accidents
  • and workers' compensation
  • Kari also represents people injured as a result of pharmaceutical and drug products in mass tort litigation on a national basis
  • Kari has won verdicts, awards and settlements in multiple jurisdictions and has obtained millions of dollars for her clients throughout the country
  • A large part of Kari’s practice is dedicated to representing those injured in serious auto and trucking accidents and in handling wrongful death cases
  • Kari regularly represents amputees who have been caused to lose limbs due to injuries in electrocution, powerline or manufacturing accidents
  • She has successfully resolved cases against multiple corporate defendants, including fortune 500 companies
  • Kari regularly represents firefighters, police officers, EMS personal, as well as members of many other unions work injuries
  • Her expertise with the workers’ compensation system in both Missouri and Illinois regularly produces excellent results for her clients who are injured on the job
  • Due to Kari’s knowledge of the workers’ compensation system she has been asked to speak on the topic and has given lectures to other lawyers at Continuing Legal Education seminars
  • Kari was raised in St. Louis
  • She comes from a medical family with numerous physician family members
  • Both her father and grandfather had medical practices in the St. Louis area, and her father was the Chief of Family Practice for a hospital system in St. Louis
  • Kari's brother is also a physician
  • While Kari utilizes these resources in her cases, she choose a different path and attended law school at the University of Missouri- Kansas City
  • While in school she was an Editor for The Urban Lawyer Law Journal and authored an article for publication
  • was on the Dean’s List
  • received an American Jurisprudence Award
  • and was given an Emissary Award for her student leadership
  • After graduating in 2000 Kari practiced law with a multi-state defense firm in both its Kansas City and St. Louis offices
  • This experience gave her firsthand knowledge of the strategies that insurance companies, and their lawyers, utilize to defend and deny claims of those that are injured
  • Kari soon realized her true calling was to represent people hurt by the negligence and wrongful actions of others
  • She has done the same since 2002
  • Since that time Kari has used the knowledge she gained as a defense lawyer to help her clients in their cases
  • In September of 2017 Kari and 5 other lawyers left her old firm together to form O’Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC where they focus on representing clients for a range of injury cases

Practice Areas Explained

Kari Peterson's Areas of Practice

Each practice area below reflects the types of cases Kari Peterson handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Kari Peterson is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Missouri →

Workers Compensation

Workers compensation lawyers help injured workers get medical care, lost wages, and disability benefits. Free consult, no fee unless you win.

Kari Peterson is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp attorneys in Missouri →

Product Liability

Kari Peterson is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in St. Louis are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Missouri courts without local counsel or pro hac vice admission.

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about Kari Peterson

Where is Kari Peterson's law office located?
Kari Peterson's law practice is located in St. Louis, Missouri. The firm is O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC. You can contact the office directly through this profile page.
What practice areas does Kari Peterson handle?
Kari Peterson focuses on personal injury, workers comp, product liability. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Kari Peterson practiced law?
Kari Peterson has 26+ years of legal experience and has been licensed since 2000.
Where did Kari Peterson go to law school?
Kari Peterson earned their education at (—, 2000).
How can I contact Kari Peterson for a consultation?
You can contact Kari Peterson directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Kari Peterson received?
Kari Peterson's notable recognition includes: Best Lawyers in America — Personal Injury Litigation - Plaintiffs; Best Lawyers in America — Product Liability Litigation - Plaintiffs; Best Lawyers in America — Workers' Compensation Law - Claimants; Best Lawyers in America — Awards:; Best Lawyers in America — Missouri Super Lawyers 2015, 2016, 2017, 2018, 2019, 2020, 2021.

Education

University of Missouri – Kansas City
- 2000

Awards

Best Lawyers in America — Personal Injury Litigation - Plaintiffs
- 2026
Best Lawyers in America — Product Liability Litigation - Plaintiffs
- 2026
Best Lawyers in America — Workers' Compensation Law - Claimants
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Missouri Super Lawyers 2015, 2016, 2017, 2018, 2019, 2020, 2021
- 2026
Best Lawyers in America — Missouri Super Lawyers Rising Star 2014
- 2026
Best Lawyers in America — Top 100 Trial Lawyers in Missouri by National Trial Lawyers
- 2026
Best Lawyers in America — Top 40 Under 40 Litigation Lawyers in Missouri by the American Society for Legal Advocates
- 2026
Best Lawyers in America — Client Distinction Award by Martindale-Hubbel
- 2026

Bar Admissions

Missouri
Admitted: 2000
Kansas
Admitted: 2001
Illinois
Admitted: 2009

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