DOYLESTOWN, PA--(Marketwire - March 12, 2008) - QuantRx® Biomedical Corporation (OTCBB: QTXB), a broad-based diagnostics company focused on the development and commercialization of innovative diagnostic products based on its patented technology platforms for the worldwide healthcare industry, today announced that the Canadian Intellectual Property Office (CIPO) has approved its PADKit® patent application. This patent enhances the international protection for QuantRx’s proprietary Miniform based diagnostic sample collection systems, trademarked PADKit®, for laboratory sample collection, and PADChek™, for consumer testing.