Mabion SA is a Poland-based company engaged in the research and development of biotechnological and biopharmaceutical medicinal products. Mabion SA was founded by four pharmaceutical companies, including Celon Pharma Ltd, Polfarmex Co, Genexo Ltd and IBSS Biomed Co, as well as two companies focused on research and development in biotechnology field, including BioCentrum Ltd and Biotech Consulting Ltd. The Company specializes in the humanized monoclonal antibodies (mAbs) technology, a new generation of biotechnological drugs. It focuses on oncology drugs used to treat blood cancer, lymphomas and leukemias, rheumatoid arthrisis, as well as breast cancer. It operates its own Research and Development Center in the Special Economical Zone in Lodz, Poland.