{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-027791","form_type":"8-K","ticker":"UTHR","cik":"0001082554","company_name":"UNITED THERAPEUTICS Corp","filed_at":"2024-02-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.312000+00:00","generated_at":"2026-06-05T10:35:58.388406+00:00","sec_items":["8.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"United Therapeutics moves to block Liquidia's PH-ILD product with preliminary injunction and FDA suit","bullets":["Filed preliminary injunction motion in Delaware on Feb 26, 2024, alleging Liquidia's PH-ILD product infringes U.S. Patent No. 11,826,327 (expires 2042).","Separately sued FDA in D.C., arguing Liquidia must submit a new NDA for PH-ILD, which would trigger a 30-month stay.","Liquidia's inhaled treprostinil is tentatively approved for PAH but not PH-ILD; United's Tyvaso is approved for both PAH and PH-ILD.","If injunction or stay granted, Liquidia cannot market its product for PH-ILD while patent litigation proceeds."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-027791","json":"https://secwatch.observer/filing/0001104659-24-027791.json","markdown":"https://secwatch.observer/filing/0001104659-24-027791.md","text":"https://secwatch.observer/filing/0001104659-24-027791.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1082554/000110465924027791/0001104659-24-027791-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1082554/000110465924027791/tm247282d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T10:35:58.388406+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}