Practice areas: Personal Injury, Medical Malpractice; view more
Licensed in Missouri since: 2017
Education: Saint Louis University School of Law
Call today:
314-582-7723
The Simon Law Firm, P.C.
1001 Highlands Plaza DrSuite 300
Saint Louis, MO 63110 Visit website
Mary Simon is a dedicated attorney at The Simon Law Firm, P.C., where she passionately represents clients who have suffered from serious injuries due to birth injuries, product liability and medical malpractice. Her approach is marked by compassion and relentless determination, ensuring that those affected by third-party negligence receive the advocacy they deserve. Concentrating her practice in the areas of St. Louis, Missouri, she also covers the Southern Illinois region.
Ms. Simon’s legal journey began at Saint Louis University (SLU) School of Law, after obtaining a Bachelor of Arts in political science and sociology, with a minor in Spanish, from Loyola University of Chicago. During her studies, she gained experience as a legal clerk, which helped her develop a profound understanding of personal injury, medical malpractice and defective product cases. Her educational path was distinguished by internships, including one for the U.S. Congress, and a study abroad experience in Madrid, Spain.
Throughout her time at SLU Law, Ms. Simon was deeply involved in various extracurricular activities. She served as co-president of the Women’s Law Student Association and chair of the Philanthropy Committee for the Student Bar Association. Additionally, she was a staff editor for the Public Law Review and worked in the Legal Aid Clinic for the Catholic Legal Assistance Ministry, demonstrating her commitment to community service and legal excellence.
Today, Ms. Simon is an active member of several professional associations, including the American Association of Justice Board of Governors, the Bar Association of Metropolitan St. Louis, the Young Lawyers Division and the Women Lawyers’ Association of Greater St. Louis. Her dedication to the legal community is further evidenced by her recognition in the National Trial Lawyers Top 40 Under 40 and Top 25 Medical Malpractice Trial Attorneys. She is admitted to practice in both Missouri and Illinois, and the U.S. District Courts for the Eastern and Western Districts of Missouri.
In addition to her professional endeavors, Ms. Simon is actively involved in her community, serving as a big sister for Big Brothers Big Sisters and facilitating legal seminars. Her international outreach includes aiding in water system implementations in rural Nicaragua, highlighting her global perspective on service and justice.
Practice areas
Personal Injury - General: Plaintiff, Personal Injury - Medical Malpractice: PlaintiffFocus areas
Animal Bites, Assault, Birth Injury, Brain Injury, Construction Accident, Delayed or Incorrect Diagnosis, Dental Malpractice, Dram Shop Laws, Informed Consent, Medical Malpractice, Motor Vehicle Accidents, Personal Injury - Plaintiff, Premises Liability - Plaintiff, Sexual Abuse - Plaintiff, Slip and Fall, Toxic Mold, Trucking Accidents, Wrongful Death
- 60% Personal Injury - General: Plaintiff
- 40% Personal Injury - Medical Malpractice: Plaintiff
First Admitted: 2017, Missouri
Professional Webpage: https://simonlawpc.com/meet-our-attorneys/mary-simon/
Bar / Professional Activity
- American Association of Justice Board of Governors
- State of Illinois
- U.S. District Court, Western District of Missouri
- U.S. District Court, Eastern District of Missouri
- State of Missouri
- Missouri Association of Trial Attorneys
- Women Lawyers’ Association of Greater St. Louis
- Bar Association of Metropolitan St. Louis, Young Lawyers Division
Verdicts / Settlements (Case Results)
- $2 Million Settlement for Trucking Accident Simon Law Attorney Mary Simon successfully resolved a trucking case in a historically conservative venue, securing a $2 million pre-trial settlement for her client — a man who was injured when a semi collided with his vehicle on a highway. The case focused on causation and damages, with the defendants arguing that not all the plaintiff’s physical and mental injuries stemmed from the collision, and that his damages were not as severe as claimed., 2025
Special Licenses / Certifications
- State of Missouri U.S. District Court, Eastern District of Missouri U.S. District Court, Western District of Missouri State of Illinois
Pro bono / Community Service
- Big sister for Big Brothers Big Sisters
- Missouri Coalition for the Right to Counsel – Public Defender Assistance Initiative Volunteer Lawyer
- Aided in implementing water systems in rural Nicaragua
- Facilitated a “Know Your Rights” seminar at St. Louis local community center
- Previous Street Law Tutor and Mock Trial Coach at Confluence Academy
Honors
- National Trial Lawyers Top 40 Under 40
- National Trial Lawyers Top 25 Medical Malpractice Trial Attorneys
Educational Background
- Loyola University of Chicago, Bachelor of Arts in Political Science and Sociology, with a minor in Spanish
- Interned for the United States Congress and studied abroad in Madrid, Spain
Other Outstanding Achievements
- Alpha Sigma Nu Jesuit Honor Society
- Missouri & Kansas Super Lawyers® Rising Stars℠ 2024
- Saint Louis University School of Law Community Service Award
- Saint Louis University School of Law Academic Excellence Award in Legal Professions
- Alpha Kappa Delta International Sociology Honor Society
Office location for Mary Simon
1001 Highlands Plaza Dr
Suite 300
Saint Louis, MO 63110
Phone: 314-582-7723
Selections
- Rising Stars: 2024 - 2025