{"schema_version":"secwatch.filing_event.v1","accession":"0000939767-23-000035","form_type":"8-K","ticker":"EXEL","cik":"0000939767","company_name":"EXELIXIS, INC.","filed_at":"2023-03-22T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.659607+00:00","generated_at":"2026-06-17T21:57:07.276714+00:00","sec_items":["8.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Exelixis files patent infringement suit against Cipla over generic CABOMETYX","bullets":["Filed complaint in Delaware district court against Cipla for ANDA seeking approval of generic cabozantinib tablets (20/40/60 mg).","Five patents asserted: U.S. Patents Nos. 8,877,776, 11,091,439, 11,091,440, 11,098,015, and 11,298,349, with latest expiry Feb. 10, 2032.","Exelixis seeks injunction and order delaying any FDA approval until after patent expirations; Cipla did not challenge compound patent expiring Aug. 14, 2026.","CABOMETYX is a key revenue driver for Exelixis; generic entry could impact sales if patents are invalidated or not infringed."],"urls":{"canonical":"https://secwatch.observer/filing/0000939767-23-000035","json":"https://secwatch.observer/filing/0000939767-23-000035.json","markdown":"https://secwatch.observer/filing/0000939767-23-000035.md","text":"https://secwatch.observer/filing/0000939767-23-000035.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/939767/000093976723000035/0000939767-23-000035-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/939767/000093976723000035/exel-20230316.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T21:57:07.276714+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"}