Jason D. Johnson

Jason D. Johnson

jdj@jameskellylawfirm.comT.618-249-5959 F.618-249-5949


Jason Johnson specializes in complex commercial litigation, having represented both plaintiffs and defendants in a wide variety of legal disputes. He has significant litigation experience in state and federal courts with first chair trial experience in multiple jury trials and bench trials. The wide variety of claims that Mr. Johnson handles range from defamation claims to complex commercial disputes.

Mr. Johnson has extensive experience in construction litigation, and has represented many developers, contractors, subcontractors and engineers in both the defense and prosecution of claims involving both small and large construction projects. He also taught the Construction Contracts course as an adjunct professor at Southern Illinois University in Edwardsville from 2017 to 2022.

Mr. Johnson is experienced in corporate litigation (including professional corporations) such as shareholder and partner disputes, contested corporate dissolutions and successor liability issues, as well as professional liability. He has significant experience representing both defendants and plaintiffs in products liability actions, and has represented clients in mass actions and class actions in state and federal courts. Mr. Johnson also represents and advises clients regarding employment law matters, and has significant litigation experience involving employment disputes.


  • Southern Illinois University School of Law, J.D., Summa Cum Laude, Dean's List, Law Journal Editor, 2005
  • University of Illinois at Urbana-Champaign, B.S. (Computer Science), Dean's List, 2001

Bar Admissions

  • Illinois, 2005
  • Missouri, 2006

Court Admissions

  • U.S. District Courts for the Southern District of Illinois, Central District of Illinois, Eastern District of Missouri and Western District of Missouri
  • United States Court of Appeals for the Seventh Circuit

About Us

JKLF is a premiere boutique litigation firm, specializing in mass and catastrophic complex claims. JKLF is a national firm with offices in Illinois, the St. Louis Metro Area, and New York. We are trial lawyers that have decades of collective experience representing our clients in complex litigation. We are courtroom advocates. Our size and selectivity allow us to provide preeminent legal services. Our clients receive zealous representation and personalized attention from our experienced attorneys on every case and at every stage throughout the litigation. JKLF fosters an environment that promotes teamwork and collaboration, and where our lawyers are confident to explore new and creative ways to assist our clients. Our clients value and trust us because we offer more than legal counsel. We understand client priorities and become partners and trusted advisors. At JKLF, we pride ourselves on our talent, teamwork, and results. From jury trials and bench trials, to arbitrations and appeals, our litigation team is consistently recognized for successfully handling complex, high-stakes matters for our clients in challenging venues across the country.