Solid Intellectual Property Protection Across Four Continents Ahead of Pending Phase 3 Data Release

HOUSTON, May 08, 2026 (GLOBE NEWSWIRE) -- Moleculin Biotech, Inc., (NASDAQ:MBRX) ("Moleculin" or the "Company"), today announced a significant advancement in its intellectual property portfolio with the issuance of a Hong Kong patent covering its proprietary method of reconstituting liposomal Annamycin.

The newly granted patent (No. 40073244), titled "Method of Reconstituting Liposomal Annamycin," extends protection through June 25, 2040, further reinforcing Moleculin's long-term global exclusivity strategy. The invention is jointly owned with The University of Texas System.

This patent represents an impactful layer of protection around Moleculin's lead asset, Annamycin, at a time when the global oncology market continues to seek improved treatment options. By securing rights in Hong Kong, an influential gateway to broader Asian markets, Moleculin is strategically positioning itself in one of the fastest-growing regions for cancer therapeutics.