- Missouri Supreme Court Rules 56 (Mo. Sup. Ct. R. 56) (opens in a new tab)
Missouri discovery and exhibit requirements
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Stop Guessing St. Louis County Exhibit Rules
Get exhibit stamps for St. Louis County Circuit Court (21st Judicial Circuit) filing review in under 2 minutes. Max file size: Confirm the limit with the court’s e-filing system.
- St. Louis County plaintiffs mark exhibits with Plaintiff's Exhibit 1, 2, 3..., and defendants use Defendant's Exhibit A, B, C... — convention, not rule; confirm the court's pretrial or scheduling order.
- St. Louis County's primary exhibit rule is 21st Judicial Circuit Rules of Court.
- St. Louis County courts e-file through Missouri Courts E-Filing, so confirm the current file-size limit with the e-filing system.
- St. Louis County is part of the St. Louis County Circuit Court (21st Judicial Circuit).
- Clayton courthouse (st. louis suburb) -- 21st judicial circuit, separate from the independent city of st. louis circuit.
- Second largest missouri county.
- ExhibitPrep generates prepared for court review St. Louis County exhibit stamps entirely in the browser, with files never leaving the user's device.
Quick Reference
Key Requirements for St. Louis County
- Clayton courthouse (St. Louis suburb) -- 21st Judicial Circuit, separate from the independent City of St. Louis circuit
- Second largest Missouri county
- Statewide 14-day-before-trial exhibit exchange deadline (Mo. Sup. Ct. R. 56)
- Documents must not be sent directly to judges via email
- E-filing capped at 25 MB through Missouri Courts E-Filing
Local Practice Notes
St. Louis County Circuit Court (21st Judicial Circuit), based in Clayton, is a separate suburban circuit from the independent City of St. Louis circuit -- the two don't share local rules just because the names are similar. The exhibit exchange deadline is set by the assigned judge's order — confirm with the circuit clerk. Sup. Ct. R. 56, and filings go through the Show-Me Courts e-filing system with fees payable by credit card, debit, or e-check. As one of the state's larger circuits, St. Louis County typically enforces pretrial deadlines strictly; confirm the assigned division's specific requirements with the clerk before trial.
Ready to Stamp Your St. Louis County Exhibits?
ExhibitPrep applies exhibit labels the way St. Louis County Circuit Court (21st Judicial Circuit) filings mark them. The receiving court controls acceptance. Preview free—purchase when you're ready to save.
Opens the tool set up for St. Louis County — plaintiff: Numbers starting at 1; defendant: Letters starting at A.
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Typical St. Louis County Exhibit Timeline
E-filing available for Circuit Courts. Fees paid by credit card, debit, or e-check. Contact Help Desk at (888) 541-4894.
St. Louis County Exhibit FAQs
How do I mark exhibits for St. Louis County courts?
In St. Louis County, Missouri, plaintiffs typically use Plaintiff's Exhibit 1, 2, 3... while defendants use Defendant's Exhibit A, B, C... — convention, not rule; confirm the court's pretrial or scheduling order. Always verify with the specific court division's local rules.
What is the e-filing system for St. Louis County?
St. Louis County uses Missouri Courts E-Filing for electronic filing. The maximum file size is typically Confirm the limit with the court’s e-filing system. Check with your specific court for exact requirements.
What are the exhibit rules for St. Louis County Circuit Court (21st Judicial Circuit)?
E-filing available for Circuit Courts. Fees paid by credit card, debit, or e-check. Contact Help Desk at (888) 541-4894. Always verify current requirements with the court clerk or your specific judge's standing orders.
Does ExhibitPrep work for St. Louis County courts?
Yes! ExhibitPrep creates professional exhibit stamps that comply with St. Louis County, Missouri court requirements. Our tool supports the marking conventions used in St. Louis County Circuit Court (21st Judicial Circuit).
Review Your Stamp Before Downloading
Preview the wording and placement, then compare your finished documents with the instructions for your case.
St. Louis County Courthouses
Specific filing requirements vary by courthouse. Select your courthouse for detailed information:
ExhibitPrep formats documents; it does not provide legal advice or filing approval. Some guidance remains unverified. Citations support only their stated claims and scope. Review the finished files against current court instructions and case orders before filing. Check requirements and the finished PDF before filing.
Last updated: 2026-03. Always verify current requirements with your court.