Legal tracker / Kalshi v. Maryland
Case · as of Oct 15, 2026
Kalshi v. Maryland
For the states Pending — argued May 7, 2026
Judge Adam Abelson denied Kalshi a preliminary injunction on Aug. 1, 2025, finding no CEA preemption of Maryland's gaming laws. A Fourth Circuit panel (Gregory, Thacker, Benjamin, JJ.) heard argument May 7, 2026 and has not ruled; Maryland agreed not to enforce against Kalshi until the Fourth Circuit decides. The parties filed Rule 28(j) letters on the Ninth Circuit's Assad ruling in September.
Case record last checked against its sources on Sep 30, 2026.
| Case | KalshiEX LLC v. Martin |
| Court | U.S. Court of Appeals for the Fourth Circuit; U.S. District Court for the District of Maryland |
| Docket | 25-1892 (4th Cir.); 1:25-cv-01283-ABA (D. Md.) |
| Filed | Apr 21, 2025 |
| Type | Preemption suit |
| Companies | Kalshi |
| Other side | Maryland Lottery and Gaming Control Agency and Commission officials (John Martin et al.) |
| Last action | Sep 9, 2026: Parties filed Rule 28(j) letters addressing the Ninth Circuit's Assad decision. |
| Next date | : Fourth Circuit decision. |
History
Newest first.
| Date | What happened |
|---|---|
| Sep 9, 2026 | Rule 28(j) letters filed regarding Assad. |
| May 7, 2026 | Fourth Circuit oral argument. |
| Aug 1, 2025 | District court denied a preliminary injunction. |
| Apr 21, 2025 | Kalshi sued Maryland regulators (filing date per secondary tracker). |
Sources
- D. Md. order denying PI (PDF) (primary)
- D. Md. docket (CourtListener) (primary)
- Fourth Circuit docket No. 25-1892 (CourtListener) (primary)
- Fourth Circuit May 2026 argument calendar (PDF) (primary)
- News: InGame (Fourth Circuit argument)
- News: InGame (Maryland enforcement standstill)
- Tracker: DeFi Rate prediction-market legal tracker
Kalshi v. Maryland: questions
What is the status of Kalshi v. Maryland?
Pending — argued May 7, 2026. Judge Adam Abelson denied Kalshi a preliminary injunction on Aug. 1, 2025, finding no CEA preemption of Maryland's gaming laws. A Fourth Circuit panel (Gregory, Thacker, Benjamin, JJ.) heard argument May 7, 2026 and has not ruled; Maryland agreed not to enforce against Kalshi until the Fourth Circuit decides. The parties filed Rule 28(j) letters on the Ninth Circuit's Assad ruling in September.
What happened most recently in Kalshi v. Maryland?
Sep 9, 2026: Parties filed Rule 28(j) letters addressing the Ninth Circuit's Assad decision.
What is the next date in Kalshi v. Maryland?
: Fourth Circuit decision.
Compiled from court dockets, opinions, regulator releases and news coverage, linked above. Not legal advice. Maryland: every action · All cases · Interactive tracker