Patent ID: 9315584
Filing Date: 2016-04-19
CPC Classification: A61P,C07K

Claim Text:
1. A single-chain polypeptide which is either a first or a second polypeptide of a diabody-type bispecific antibody, said diabody-type bispecific antibody consisting of said first polypeptide comprising a humanized variable region of the light chain (5L) of an anti-human EGF receptor 1 antibody 528 and a humanized variable region of the heavy chain (OH) of an anti-CD3 antibody OKT in this order from its N-end to C-end and said second polypeptide comprising a humanized variable region of the light chain (OL) of an anti-CD3 antibody OKT and a humanized variable region of the heavy chain (5H) of an anti-human EGF receptor 1 antibody 528 in this order from its N-end to C-end.