{"schema_version":"secwatch.filing_event.v1","accession":"0001824502-26-000008","form_type":"8-K","ticker":"ACHR","cik":"0001824502","company_name":"Archer Aviation Inc.","filed_at":"2026-02-24T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.372564+00:00","generated_at":"2026-05-16T00:52:26.063239+00:00","sec_items":["7.01"],"event_type":"litigation","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Archer Aviation files patent infringement lawsuit against Vertical Aerospace over Valo eVTOL aircraft","bullets":["Filed on Feb 23, 2026 in Eastern District of Texas alleging Vertical's Valo aircraft infringes multiple Archer patents.","Seeks injunction to halt infringing activities and monetary damages for past infringement.","Archer claims patents relate to its Midnight eVTOL aircraft technology.","Defendant Vertical Aerospace (EVTL) is publicly traded; plaintiff Archer (ACHR) also listed."],"urls":{"canonical":"https://secwatch.observer/filing/0001824502-26-000008","json":"https://secwatch.observer/filing/0001824502-26-000008.json","markdown":"https://secwatch.observer/filing/0001824502-26-000008.md","text":"https://secwatch.observer/filing/0001824502-26-000008.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1824502/000182450226000008/0001824502-26-000008-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1824502/000182450226000008/achr-20260223.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T00:52:26.063239+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"}