The invention provides methods for treating or delaying progression of lupus nephritis in an individual that has lupus. In some embodiments, the methods comprise administering to the individual an effective amount of a type II anti-CD20 antibody. The invention also provides methods for treating or delaying progression of rheumatoid arthritis (RA) or systemic lupus erythematosus (SLE) in an individual. In some embodiments, the methods comprise administering an effective amount of an anti-CD20 antibody.
