Katie St. John - St. Louis, MO
Attorney at Simon Law
Defective Products Lawyers in St. Louis, MO
1001 Highlands Plaza Dr. Suite 300 St. Louis, MO 63110
- Free Consultation
St. Louis Defective Products Lawyer
Updated: 05/19/2026
Areas of Practice
- Defective Products
- Medical Malpractice
- Personal Injury
Attorney Information
Overview
Katie St. John’s devotion to serve as a trusted advocate for her clients is rooted in a childhood experience. She watched her mother breathe a sigh of relief after talking with a family law attorney, knowing the attorney was someone she could trust in her time of need. It was in that moment Katie knew she wanted to be that person for others, putting her on the path to a profession in law.
Her journey landed her in the civil litigation field, clerking at Simon Law while attending St. Louis University Law School. At Simon, she found her passion for medical malpractice and personal injury cases by watching clients come to the firm seeking understanding, answers and justice. To Katie, trust is the foundation of attorney-client privilege.
Katie believes another key to succeeding in this profession is understanding both sides of law, so she built her skills first as a defense attorney. The time she spent working for defendants gave her invaluable insight into how best to serve as a plaintiff’s attorney as well as prepare her clients for whatever the defense may throw at them. Now, as a plaintiff’s attorney, her approach with her clients is that of a team captain working together to form a plan on both offense and defense – just as she did while playing competitive soccer in college.
Katie joined Simon Law in April 2025 after securing a $1.1 million settlement in a workplace discrimination case, a $1.1 million verdict in a suicide wrongful death case, as well as a $60 million necrotizing enterocolitis case in Illinois in just 12 months. The wrongful death verdict was the first medical malpractice plaintiff’s verdict in Madison County in 14 years.
Awards and Honors
Honors
- National Trial Lawyers Top 40 Under 40
Education
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Legal Education
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Saint Louis University School of Law,
St. Louis,
Missouri
Major: International and Comparative Law
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Saint Louis University School of Law,
St. Louis,
Missouri
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Non Legal Education
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Eastern Illinois University
B.A.
Honors: magna cum laude
Honors: with Honors
Major: History
Minor: Spanish, Pre-Law and Latin American Studies
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Eastern Illinois University
Current Employment Position(s)
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Attorney
Bar Admissions
- Missouri
- Illinois
- U.S. District Court Eastern District of Missouri
- U.S. District Court Western District of Missouri
- U.S. District Court Southern District of Illinois
- U.S. District Court Central District of Illinois
Other Affiliations
- American Association of Justice
- Bar Association of Metropolitan St. Louis (BAMSL)
- Illinois Trial Lawyers Association
- Missouri Association of Trial Attorneys
- National Trial Lawyers
- St. Clair County Bar Association
Photo
Contact
1001 Highlands Plaza Dr.
Suite 300
St. Louis, MO 63110
Phone: 800-701-8729
Fax: 314-241-2029
Email: Send a message
Website: http://www.simonlawpc.com
Hours: 8am to 5pm Monday - Friday
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