secwatch.observer — SEC 8-K summary ====================================== Issuer: ATOSSA THERAPEUTICS, INC. (ATOS) CIK: 0001488039 Form: 8-K Filed at: 2026-04-16T23:59:59+00:00 Accession: 0001193125-26-158030 Event type: litigation Sentiment: positive Materiality: 0.75 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 Atossa settles patent disputes with Intas; Endoxifen patents remain enforceable ------------------------------------------------------------------------------- - Entered Settlement Agreement on April 13, 2026 with Intas Pharmaceuticals and Jina Pharmaceuticals to resolve Endoxifen patent disputes. - PTAB proceedings will be terminated; U.S. Patent Nos. 11,261,151 and 12,071,391 remain issued and enforceable. - Mutual covenants prevent parties from challenging each other's specified Endoxifen patents and applications. - Agreement preserves Atossa's ability to develop and commercialize Z-endoxifen base in oncology, endocrine disorders, and muscular dystrophy. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1488039/000119312526158030/0001193125-26-158030-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1488039/000119312526158030/d107774d8k.htm HTML page: https://secwatch.observer/filing/0001193125-26-158030 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer