About
Jacob P. Johnston is an attorney with Johnston Law Offices, P.C. in Edwardsville, Illinois. His practice includes criminal defense, DUI and traffic matters, and personal injury claims. He represents clients facing legal problems that may affect their driving privileges, criminal records, or ability to recover after an injury. Admitted to the Illinois bar in January 2021, he brings experience with local legal proceedings and a focus on representing individuals in Southern Illinois.
Johnston earned a J.D. in 2020 from Southern Illinois University School of Law, as listed in his firm’s education section. He previously received a B.S. in business from Southern Illinois University Edwardsville in 2017, with a concentration in business management. His undergraduate and legal studies provide a foundation for reviewing evidence, understanding legal procedures, and communicating practical options to clients facing criminal charges or injury-related disputes.
While attending law school, Johnston gained courtroom experience through summer work with the Madison County State’s Attorney’s Office. That early exposure to prosecution work informs his understanding of how criminal matters proceed through court. His current practice covers criminal defense and DUI and traffic matters alongside personal injury representation. He also works in a community where he completed his earlier education and began building his legal career.
Jacob P. Johnston belongs to the Madison County Bar Association, Illinois State Bar Association, Illinois Trial Lawyers Association, and American Association for Justice. These professional connections complement his work across criminal defense and personal injury matters. At Johnston Law Offices, he assists people who need an attorney to examine the circumstances of a charge or injury and explain the legal process. His practice emphasizes local court experience and direct representation.
Law Office Affiliations
- Attorney, Johnston Law Offices P. C.
- Member, Illinois State Bar Association
- Member, Madison County Bar Association
- Member, Illinois Trial Lawyers Association
- Member, American Association of Justice
Licensed State
- Illinois
Education
- Southern Illinois University School of Law
Juris Doctor (JD) - Southern Illinois University Edwardsville
B.S. (2017, Major: Business)
Awards & Badges



- Assault & Battery
- Criminal Defense
- Driver's License Suspension
- Drug Crime
- DUI & DWI
- Personal Injury
- Trucking Accidents





