Atty. Don M. Downing

Atty. Don M. Downing

Don M. Downing is a former Missouri Chief Deputy Attorney General and managing partner of the St.

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Profile Summary

About Don M. Downing at a glance

Don M. Downing is a business, class action, product liability, and litigation attorney based in St. Louis, Missouri, practicing at Gray Ritter Graham. Admitted to practice in Illinois, Illinois State Bar Association and Missouri, The Missouri Bar. Educated at University of Missouri (J.D., 1982) and University of Missouri (B.S., 1979). Recognitions include Best Lawyers in America — Bet-the-Company Litigation (2026), Best Lawyers in America — Commercial Litigation (2026), and Best Lawyers in America — Litigation - Antitrust (2026). Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Don M. Downing is a former Missouri Chief Deputy Attorney General and managing partner of the St. Louis office of one of the region's largest law firms
  • As Chief Deputy Attorney General - Missouri's top appointed legal officer - from 1993 to 1995, Mr. Downing was the lead lawyer in cases involving consumer protection, antitrust, environmental, securities and many other areas of law
  • He appeared before the Supreme Court of the United States four times, including one case he personally argued
  • He also argued cases on behalf of the state six times before the Missouri Supreme Court, and tried substantial cases in federal and state court
  • Mr. Downing was responsible for hiring, training and supervising more than 170 assistant attorneys general
  • His private practice has focused on complex commercial and class action litigation
  • He has represented large and small businesses in complex commercial disputes, including class actions, banks in insurance coverage litigation and other commercial disputes, Big Four accounting firms in securities and malpractice litigation, and cities, school districts and other public entities in actions against providers of products and services
  • Mr. Downing has also represented farmers in numerous cases
  • He was appointed national co-lead counsel for thousands of plaintiff farmers and other businesses in multi-district litigation involving contamination of the U.S. rice supply by genetically modified rice
  • He was lead trial counsel in three bellwether rice trials, and obtained plaintiffs' verdicts totaling in the millions of dollars
  • Mr. Downing led a negotiation that resulted in a global settlement for farmers of $750 million
  • Additional settlement payments to affected businesses have brought total settlement payments to over $1 billion
  • He has represented hundreds of farmers in several states and recovered millions of dollars in cases involving defective cotton seed and crop damage caused by herbicide drift
  • He has obtained a multi-million dollar settlement for a class of farmers in a federal court lawsuit against the federal government
  • He also has represented farmers in several states in antitrust claims against seed and technology providers
  • In 2015, Mr. Downing was appointed national co-lead plaintiff counsel in multi-district litigation involving U.S. corn growers’ claims that actions by Switzerland-based Syngenta with its genetically modified strains of corn led to the loss of a chief market for U.S. corn, causing them economic harm
  • In 2017, in the first certified state class action bellwether trial, he and the three other co-lead plaintiff counsel won a $217.7 million verdict on behalf of Kansas corn farmers
  • That verdict amount equaled 100 percent of actual damages requested by co-lead counsel
  • Following the verdict he was named a recipient of a 2018 “Influential Lawyer” award by Missouri Lawyers Weekly
  • In 2018 he and the other co-lead plaintiff counsel obtained a $1.51 billion settlement of the nationwide class action lawsuit, believed to be the largest agriculture litigation settlement in U.S. history
  • It was named the Largest Plaintiff’s Settlement in 2018 by Missouri Lawyers Weekly
  • Additionally, Mr. Downing has represented thousands of consumers in class action litigation against cellular telephone and internet service providers, drug companies, hospitals, and other entities that engaged in deceptive and unfair trade practices
  • For example, Mr. Downing served as co-lead counsel in a pharmaceutical class action that resulted in a $220 million settlement for Missouri consumers
  • A native of Kennett, Missouri, Mr. Downing earned a bachelor's degree in economics from the University of Missouri in 1979, and his law degree from the University of Missouri School of Law in 1982, where he served as an editor on the Missouri Law Review
  • After graduation from law school, Mr. Downing served as law clerk for the Honorable Edward L. Filippine, District Judge for the U.S
  • District Court for the Eastern District of Missouri
  • Mr. Downing was appointed to the University of Missouri Board of Curators in 2009, serving as Chairman in 2014
  • Mr. Downing has served on the University of Missouri Law School Foundation Board of Trustees and the Law Library Campaign Committee
  • He received the Law School's highest award, the Citation of Merit
  • He is also an active member of the University of Missouri Jefferson Club, serving as the chairman of its annual St. Louis regional dinner
  • He also has served on numerous other boards and advisory boards
  • In 2013, he was selected by the judges of the Eastern District of Missouri to serve on the merit selection panel for the appointment of a United States Magistrate Judge
  • He is licensed to practice in Missouri and Illinois, as well as before the Supreme Court of the United States, the Eighth Circuit of the U.S
  • Court of Appeals, the U.S
  • District Court for the Eastern and Western Districts of Missouri, and the U.S
  • District Court for the Southern District of Illinois
  • Mr. Downing was named the Best Lawyers®2018 St. Louis Litigation- Banking and Finance “Lawyer of the Year,” the Best Lawyers 2016 St. Louis Banking and Finance "Lawyer of the Year," the Best Lawyers 2015 St. Louis Mass Tort Litigation/Class Actions-Plaintiffs "Lawyer of the Year," the Best Lawyers 2014 St. Louis Litigation - Banking and Finance "Lawyer of the Year," and Best Lawyers 2013 St. Louis Litigation - Antitrust "Lawyer of the Year
  • He is also listed in The Best Lawyers in America in the categories of Commercial Litigation, Mass Tort Litigation/Class Action - Plaintiffs, Litigation - Antitrust, and Litigation - Banking & Finance
  • He has an AV Peer Review Rating from Martindale-Hubbell Law Directory, which is the highest given
  • Mr. Downing has been annually selected to Missouri & Kansas Super Lawyers [among the top 5 percent of lawyers in Missouri and Kansas] since 2006, in the area of Business Litigation
  • He has been named among the Top 50 attorneys in St. Louis and the Top 100 attorneys in Missouri and Kansas by Missouri & Kansas Super Lawyers
  • He is included in the 2012 Lawdragon 500 Leading Lawyers in America

Practice Areas Explained

Don M. Downing's Areas of Practice

Each practice area below reflects the types of cases Don M. Downing handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Don M. Downing is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Missouri →

Class Action

Don M. Downing is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Missouri →

Product Liability

Don M. Downing is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Missouri →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Don M. Downing is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

Practicing law in Missouri. Legal matters in Missouri are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in St. Louis are typically filed in the local municipal court or the appropriate Missouri state district court, depending on subject matter and amount in controversy. An attorney licensed in Missouri brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Missouri courts without local counsel or pro hac vice admission.

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about Don M. Downing

Where is Don M. Downing's law office located?
Don M. Downing's law practice is located in St. Louis, Missouri. The firm is Gray Ritter Graham. You can contact the office directly through this profile page.
What practice areas does Don M. Downing handle?
Don M. Downing focuses on business, class action, product liability, litigation. Each practice area listed reflects experience handling cases of that type in Missouri.
Where did Don M. Downing go to law school?
Don M. Downing earned their education at (J.D., 1982); (B.S., 1979).
How can I contact Don M. Downing for a consultation?
You can contact Don M. Downing directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Don M. Downing received?
Don M. Downing's notable recognition includes: Best Lawyers in America — Bet-the-Company Litigation; Best Lawyers in America — Commercial Litigation; Best Lawyers in America — Litigation - Antitrust; Best Lawyers in America — Litigation - Banking and Finance; Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs.

Education

J.D.
University of Missouri
- 1982
B.S.
University of Missouri
- 1979

Awards

Best Lawyers in America — Bet-the-Company Litigation
- 2026
Best Lawyers in America — Commercial Litigation
- 2026
Best Lawyers in America — Litigation - Antitrust
- 2026
Best Lawyers in America — Litigation - Banking and Finance
- 2026
Best Lawyers in America — Mass Tort Litigation / Class Actions - Plaintiffs
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Antitrust Law
- 2026
Best Lawyers in America — Mass Tort Litigation
- 2026
Best Lawyers in America — Special Focus:
- 2026
Best Lawyers in America — Antitrust
- 2026
Best Lawyers in America — Mass Tort
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Faculty-Alumni Award, Mizzou Alumni Association, 2015
- 2026
Best Lawyers in America — Top 100 Trial Lawyers in Missouri, The National Trial Lawyers
- 2026
Best Lawyers in America — Recipient, “Influential Lawyer” Award, 2018 Missouri Lawyers Weekly Awards
- 2026
Best Lawyers in America — Recipient, “2018 Top Plaintiff’s Settlement,” 2019 Missouri Lawyers Weekly Awards
- 2026
Lawyer of the Year — Litigation - Banking and Finance (St. Louis)
- 2024
Lawyer of the Year — Litigation - Banking and Finance (St. Louis)
- 2022
Lawyer of the Year — Mass Tort Litigation / Class Actions - Plaintiffs (St. Louis)
- 2021
Lawyer of the Year — Litigation - Banking and Finance (St. Louis)
- 2020
Lawyer of the Year — Litigation - Banking and Finance (St. Louis)
- 2018
Lawyer of the Year — Litigation - Banking and Finance (St. Louis)
- 2016
Lawyer of the Year — Mass Tort Litigation / Class Actions - Plaintiffs (St. Louis)
- 2015
Lawyer of the Year — Litigation - Banking and Finance (St. Louis)
- 2014
Lawyer of the Year — Litigation - Antitrust (St. Louis)
- 2013

Bar Admissions

Illinois, Illinois State Bar Association
Missouri, The Missouri Bar

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