Patent No. 599959 Disclosed is an isolated antibody, or one of its functional divalent fragments capable of binding to the c-Met, wherein the antibody or functional divalent fragment comprises a heavy chain comprising CDR-H1, CDR-H2 and CDR-H3 comprising respectively the amino acid sequences: GYSFTDYT, INPYNGGT, AREEITKDFDF and a light chain comprising CDR-L1, CDR-L2 and CDRL3 comprising respectively the amino acid sequences ESIDTYGNSF, RAS, QQSNEDPFT.