secwatch.observer — SEC 8-K summary
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Issuer:     Liquidia Corp (LQDA)
CIK:        0001819576
Form:       8-K
Filed at:   2023-12-01T23:59:59+00:00
Accession:  0001104659-23-122617
Event type: litigation
Sentiment:  negative
Materiality: 0.65
Item codes: 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Liquidia faces new patent infringement claim over '327 patent added to PH-ILD suit
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- United Therapeutics amended complaint adds U.S. Patent No. 11,826,327, issued Nov 28, 2023.
- Patent covers inhaled treprostinil for PH-ILD; YUTREPIA label amendment triggers claim.
- Liquidia believes no 30-month stay applies because patent issued after original NDA filing.
- Case continues in U.S. District Court for Delaware; Liquidia vows vigorous defense.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1819576/000110465923122617/0001104659-23-122617-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1819576/000110465923122617/tm2331419d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-23-122617

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer