---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-067273"
form_type: "8-K"
ticker: "LQDA"
cik: "0001819576"
company_name: "Liquidia Corp"
filed_at: "2024-05-31T23:59:59+00:00"
generated_at: "2026-06-01T07:13:30.534333+00:00"
event_type: "litigation"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# United Therapeutics sues Liquidia and ex-employee over YUTREPIA IP misappropriation

## Summary
- Complaint filed May 29, 2024 in Durham County, NC, against former employee and Liquidia subsidiary.
- Alleges breach of employment agreements and misappropriation of IP leading to YUTREPIA (treprostinil) inhalation powder.
- United Therapeutics seeks assignment of patents and declaratory relief that inventions belong to them.
- Liquidia intends to vigorously defend against the allegations.

## SEC filing metadata
- accession: 0001104659-24-067273
- form_type: 8-K
- ticker: LQDA
- cik: 0001819576
- company_name: Liquidia Corp
- filed_at: 2024-05-31T23:59:59+00:00
- event_type: litigation
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819576/000110465924067273/0001104659-24-067273-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819576/000110465924067273/tm2416192d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-067273
- JSON: https://secwatch.observer/filing/0001104659-24-067273.json
- Plain text: https://secwatch.observer/filing/0001104659-24-067273.txt

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