Cort A.

St. Louis, Missouri
314-345-2015 (direct line)

Contact Cort VanOstranContact Cort VanOstran
Cort VanOstran St. Louis Litigation Attorney

Cort VanOstran

St. Louis, Missouri
314-345-2015 (direct line)

Contact Cort VanOstranContact Cort VanOstran

Meet St. Louis Attorney,
Cort A. VanOstran

Cort A. VanOstran focuses his practice on commercial litigation, class actions, and mass torts. He has assisted with numerous aspects of litigation, including discovery, motion practice, trial, and appeal. He represents clients with passion and professionalism.

Prior to joining Gray, Ritter & Graham, Mr. VanOstran clerked for U.S. District Judges Audrey Fleissig and John Ross in the Eastern District of Missouri. He is a former Visiting Lecturer in Law at Washington University in St. Louis, where he taught Legal Practice, the first-year legal writing course.


In 2018, at the age of 29, Mr. VanOstran won a five-way primary race to become the Democratic candidate for U.S. Congress in Missouri’s Second district.  His campaign was placed on the Democratic Congressional Campaign Committee’s “Red to Blue” list of top-tier races nationally, and he received over 47% of the vote in the November general election.

In 2020, he was selected as a National Trial Lawyers’ “Top 40 Under 40 Civil Practice Trial Lawyers” in Missouri, which recognizes trial attorneys under the age of 40 for their superior qualifications, leadership and reputation.

Mr. VanOstran remains active in the St. Louis community. He is a member of the Bar Association of Metropolitan St. Louis and has served as faculty and staff for the Missouri Scholars Academy, a state-sponsored program for gifted high school students. He is an alumnus of the FOCUS St. Louis Emerging Leaders program.  He previously supervised Washington University’s chapter of the Marshall Brennan Constitutional Literacy Project, a community partnership that places law students in public high schools to teach constitutional law.

Mr. VanOstran earned his J.D. with honors from Washington University.  While in law school, he served as President of the Student Bar Association and Managing Editor of the Washington University Journal of Law and Policy. He was a member of both the National Moot Court Team and the championship-winning Trial Team.  Mr. VanOstran earned his undergraduate degree with honors from Harvard University, where he was involved in the Harvard Institute of Politics and authored a thesis on legislative efficacy.

The National Trial Lawyers


  • Commercial Litigation
  • Class Actions
  • Mass Torts

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Bar Admissions
  • Missouri, 2014
  • U.S. District Court, Eastern District of Missouri
  • Washington University School of Law, St. Louis, Missouri
    • J.D. cum laude, 2014
    • Dean’s List
    • Honor Scholar Award
    • CALI Award (highest class grade-Critical Jurisprudence)
    • Dean’s Leadership Award
    • President, Student Bar Association
    • Managing Editor, Washington University Journal of Law and Policy
    • National Moot Court Team
    • Trial Team
  • Harvard University, Cambridge, Massachusetts
    • A.B. cum laude in field of Government, 2011
Honors and Awards
  • “Top 40 Under 40 Civil Practice Lawyers,” The National Trial Lawyers
  • “Up & Coming Lawyer,” Missouri Lawyers Weekly, 2017
  • 2017 Young Lawyers Division Award of Merit, The Bar Association of Metropolitan St. Louis
Published Works
  • Co-author, “Practice Makes Perfect: New Practitioners’ Perspectives on Trends in Legal Education,” Washington University Journal Law and Policy, Volume 53 (2017)
  • “Can I Return or Destroy ‘Confidential’ Documents,” Journal of the Missouri Bar, May-June 2017 
  • CLE Materials co-author, Mass Torts Breakout: ‘All Natural,’ Ingredient Labeling, and Health Claims, Oh My: Recent Developments in the Smorgasbord of Food Labeling Class Actions, 2015 ABA Environmental, Mass Torts and Products Liability Litigation Committees’ Joint CLE Seminar in Snowmass Village, Colo. (January 30, 2015)
  • “Justice Not for Sale: A Constitutional Defense of the Missouri Plan for Judicial Selection,” Washington University Journal Law and Policy, Volume 44 (2014)
Professional Associations and Memberships
  • The Missouri Bar, Young Lawyer’s Section Council Representative
  • The Bar Association of Metropolitan St. Louis, Young Lawyer’s Division Board Member
Past Employment Positions
  • Law Clerk, Honorable Audrey Fleissig, U.S. District Judge, Eastern District of Missouri, and Honorable John Ross, U.S. District Judge, Eastern District of Missouri
Pro Bono Activities
  • Board of Directors, Prison Performing Arts
  • Assistant Coach, Washington University Moot Court Team
  • Faculty Supervisor, Marshall-Brennan Constitutional Literacy Project
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