Patent ID: 7777008

Claim:
An isolated antibody that specifically binds ILT3, or an antigen binding fragment of the antibody, selected from the group consisting of: a) an antibody or antigen binding fragment comprising the amino acid sequence of SEQ ID NO: 28, except that one or more human framework amino acid residues of the antibody or antigen binding fragment are backmutated to one or more corresponding murine framework amino acid residues of SEQ ID No. 2, b) an antibody or antigen binding fragment comprising the amino acid sequence of SEQ ID NO: 29, except that one or more human framework amino acid residues of the antibody or antigen binding fragment are backmutated to one or more corresponding murine framework amino acid residues of SEQ ID No. 1, and c) an antibody comprising the amino acid sequence of SEQ ID NO: 33 and further comprising the amino acid sequence of SEQ ID NO: 34, except that one or more human framework amino acid residues of the antibody or antigen binding fragment are backmutated to one or more corresponding murine framework amino acid residues of SEQ ID Nos. 1 or 2.