Patent ID: 6893638

Claim:
A method of treating B cell lymphoma comprising administering a therapeutically effective amount of an anti-CD80 antibody, wherein said antibody binds the same epitope as an anti-CD80 antibody selected from the group consisting of 7C10, which has the variable region sequences shown in FIGS. 8 a and 8 b (amino acid sequences of SEQ ID NOs. 1-2 and 3-4 respectively); 7B6, which has the variable region sequences shown in FIGS. 9 a and 9 b (amino acid sequences of SEQ ID NOs. 5-6 and 7-3 respectively); and 16C10, which has the variable region sequences shown in FIGS. 10 a and 10 b (amino acid sequences of SEQ ID NOs. 9-10 and 11-12 respectively).