#$%^&*AU2011253536B220140306.pdf#####C: NRPonbr DCC SZP991569_ .DOC-15/1l1/2011 ABSTRACT The present invention provides humanized, chimeric and human anti-CD20 antibodies and CD 20 antibody fusion proteins that bind to a human B cell marker, referred to as CD20, 5 which is useful for the treatment and diagnosis of B-cell disorders, such as B-cell malignancies and autoimmune diseases, and methods of treatment and diagnosis.