 ROCHESTER, N.Y., April 08, 2021 GLOBE NEWSWIRE -- Document Security Systems, Inc. DSS or the Company NYSE American: DSS, a multinational company operating businesses focusing on brand protection technology, blockchain security, direct marketing, healthcare, real estate, and securitized digital assets, today announced DSS Biomedical International, Inc. DSS Biomedical, a subsidiary of Impact BioMedical, Inc., a wholly owned subsidiary of the Company, completed an equity investment in Vivacitas Oncology, Inc. Vivacitas, a clinical-stage company focused on difficult to treat cancers. 