Jason D.

St. Louis, Missouri
314-345-2013 (direct line)

Contact Jason SappContact Jason Sapp
Jason Sapp, St. Louis Business Litigation Attorney

Jason D. Sapp

St. Louis, Missouri
314-345-2013 (direct line)

Contact Jason SappContact Jason Sapp

Meet St. Louis Attorney,
Jason D. Sapp

Jason D. Sapp is a 2006 graduate of the University of Missouri School of Law, where he graduated with honors (Order of the Coif) and served as Editor in Chief of the Missouri Law Review. He also received the Judge Shepard Barclay Prize, which is awarded to the graduating law student “who has attained the highest standing in scholarship and moral leadership,” and the International Academy of Trial Lawyers Student Advocacy Award for “overall ability in trial advocacy by high achievement in trial practice, evidence and pleading and procedure courses.”

He is listed in The Best Lawyers in America® for Commercial Litigation, Consumer Protection Law, and Product Liability Litigation-Plaintiffs. He played an extensive role in the firm’s work on behalf of financially damaged farmers with the 2018 $1.51 billion Syngenta GMO corn settlement as well as the 2011 $750 million Bayer contaminated rice settlement.

Mr. Sapp was named a Rising Star in 2016, 2015, 2014, 2013, and 2012 by Missouri & Kansas Super Lawyers magazine, and was named a 2011 “Up and Coming Lawyer” by Missouri Lawyers Weekly. He is a member of the National Trial Lawyers Association’s Top 40 Under 40.

Mr. Sapp completed his undergraduate studies at Emory University in Atlanta, Georgia where he obtained a bachelor’s degree in business administration. He worked in the operations division of a large St. Louis financial services firm for a number of years before attending law school.


Prior to joining Gray Ritter Graham, Mr. Sapp was an associate at one of the region’s largest law firms, where he practiced in the areas of litigation, real estate, mergers & acquisitions and general corporate law. He also devoted time to pro bono representation through Legal Services of Eastern Missouri providing free legal assistance to low income individuals and neighborhood associations.

Mr. Sapp is licensed to practice law in Missouri and Illinois. He is a member of The Missouri Bar, the Bar Association of Metropolitan St. Louis and the American Bar Association.

His primary practice is in the areas of complex business and commercial litigation as well as consumer and class action litigation.


  • Commercial Litigation
  • Class Actions
  • Mass Torts

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Bar Admissions
  • Missouri, 2006
  • Illinois, 2007
  • University of Missouri-Columbia School of Law, Columbia, Missouri 
    • J.D., 2006
    • Honors: Order of the Coif
    • Law Review: University of Missouri-Columbia School of Law, Editor in Chief
  • Emory University, Atlanta, Georgia
    • Major: Business Administration
Honors and Awards
  • The Best Lawyers in America, 2020 – present
  • Rising Star, Missouri & Kansas Super Lawyers, 2012, 2013, 2014, 2015, 2016
  • Up and Coming Lawyer, Missouri Lawyers Weekly, 2011
  • Judge Shepard Barclay Prize, University of Missouri School of Law, 2006
  • International Academy of Trial Lawyers Student Advocacy Award, University of Missouri School of Law, 2006
  • National Trial Lawyers Association Top 40 Under 40, 2012
Professional Associations and Memberships
  • The Missouri Bar, Co-Chair Complex Litigation Committee, 2014 – 2019
  • The Bar Association of Metropolitan St. Louis
  • The Lawyers Association of St. Louis

Representative Cases

August 18, 2019 in Case Result, Commercial Litigation & Class Actions, Jason D Sapp Featured, Morry S Cole Featured, News

GRG Attorneys Obtain $3.3 Million Verdict for Plaintiffs in Breach of Contract Lawsuit

For more than 25 years Paul Beverage Company, Inc. distributed Dr. Pepper products in an exclusive territory in the greater St. Louis…
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December 1, 2015 in Jason D Sapp, Jason D Sapp Featured

$750 Million Settlement in Bayer Rice Litigation

Gray Ritter Graham represented thousands of U.S. farmers in a multidistrict litigation against Bayer Cropscience.  The litigation claimed that Bayer contaminated their…
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