---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-049014"
form_type: "8-K"
ticker: "MIAX"
cik: "0001438472"
company_name: "MIAMI INTERNATIONAL HOLDINGS, INC."
filed_at: "2026-07-21T20:34:56+00:00"
generated_at: "2026-07-21T20:36:06.405765+00:00"
event_type: "litigation"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# MIAX wins dismissal with prejudice of all claims in patent litigation with Nasdaq

## Summary
- U.S. District Court for New Jersey dismissed all claims and counterclaims with prejudice on July 20, 2026.
- MIAX is free to operate exchanges and trading platforms without any license or consent from Nasdaq.
- Litigation began Sept 2017; Nasdaq's six patents were invalidated by PTAB in 2019.
- Resolution covers all matters asserted by Nasdaq; no ongoing restrictions on MIAX.
- MIAX may license, commercialize, and sell technology without infringement claims from Nasdaq.

## SEC filing metadata
- accession: 0001628280-26-049014
- form_type: 8-K
- ticker: MIAX
- cik: 0001438472
- company_name: MIAMI INTERNATIONAL HOLDINGS, INC.
- filed_at: 2026-07-21T20:34:56+00:00
- event_type: litigation
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1438472/000162828026049014/0001628280-26-049014-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1438472/000162828026049014/miax-20260720.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-049014
- JSON: https://secwatch.observer/filing/0001628280-26-049014.json
- Plain text: https://secwatch.observer/filing/0001628280-26-049014.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.