secwatch.observer — SEC 8-K summary
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Issuer:     Liquidia Corp (LQDA)
CIK:        0001819576
Form:       8-K
Filed at:   2025-04-22T23:59:59+00:00
Accession:  0001104659-25-037137
Event type: litigation
Sentiment:  neutral
Materiality: 0.60
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Liquidia files patent infringement suit against United Therapeutics over treprostinil dry powder patent
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- Filed lawsuit on April 21, 2025 in the Middle District of North Carolina against United Therapeutics.
- Alleges infringement of U.S. Patent No. 10,898,494 covering dry powder treprostinil for pulmonary hypertension.
- Action filed by Liquidia Technologies, Inc., a wholly owned subsidiary of Liquidia Corporation.
- Patent infringement claim seeks remedy for unauthorized use of Liquidia's dry powder treprostinil technology.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1819576/000110465925037137/0001104659-25-037137-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1819576/000110465925037137/tm2512826d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-25-037137

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