{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-083457","form_type":"8-K","ticker":"UTHR","cik":"0001082554","company_name":"UNITED THERAPEUTICS Corp","filed_at":"2023-07-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.096008+00:00","generated_at":"2026-06-13T03:57:17.841192+00:00","sec_items":["8.01","9.01"],"event_type":"litigation","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"United Therapeutics wins Federal Circuit appeal in Liquidia patent litigation; Yutrepia approval delayed","bullets":["Federal Circuit affirmed Liquidia's Yutrepia infringes United Therapeutics' '793 patent; FDA approval blocked until patent expires May 14, 2027.","Court confirmed Liquidia would induce infringement by marketing Yutrepia; all '793 claims held valid over invalidity challenges.","Federal Circuit also affirmed certain claims of U.S. Patent No. 9,593,066 are either invalid or not infringed by Liquidia.","Both parties may request rehearing; PTAB IPR decision finding '793 unpatentable is on appeal by United Therapeutics.","District court order barring FDA final approval remains unless infringed claims are found invalid after exhaustion of appeals."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-083457","json":"https://secwatch.observer/filing/0001104659-23-083457.json","markdown":"https://secwatch.observer/filing/0001104659-23-083457.md","text":"https://secwatch.observer/filing/0001104659-23-083457.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1082554/000110465923083457/0001104659-23-083457-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1082554/000110465923083457/tm2321916d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T03:57:17.841192+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"}