Fourth US Granted Patent Captures Claims for Future Clinical Dose of PRPMELBOURNE, Australia, Sept. 17, 2025 (GLOBE NEWSWIRE) -- Propanc Biopharma, Inc. (Nasdaq: PPCB) (“Propanc” or the “Company”), a biopharmaceutical company developing novel cancer treatments for patients suffering from recurring and metastatic cancer, today announced that a certificate of grant for the Company’s “proenzyme composition” patent was received from the US Patent & Trademark Office (USPTO). The patent specifically captures a fu ...