{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-217063","form_type":"8-K","ticker":"VNDA","cik":"0001347178","company_name":"Vanda Pharmaceuticals Inc.","filed_at":"2023-08-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.673457+00:00","generated_at":"2026-06-11T06:01:51.538218+00:00","sec_items":["8.01"],"event_type":"litigation","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Vanda's petition for rehearing on patent invalidation denied by Federal Circuit","bullets":["Federal Circuit denied Vanda's rehearing petition on August 16, 2023, affirming invalidity of four patents.","Patents RE46,604; 9,730,910; 10,149,829; and 10,376,487 held invalid by District Court decision.","Federal Circuit originally affirmed invalidation on May 10, 2023; Vanda sought rehearing on June 9, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-217063","json":"https://secwatch.observer/filing/0001193125-23-217063.json","markdown":"https://secwatch.observer/filing/0001193125-23-217063.md","text":"https://secwatch.observer/filing/0001193125-23-217063.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1347178/000119312523217063/0001193125-23-217063-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1347178/000119312523217063/d544298d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-11T06:01:51.538218+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"}