Disclosed is an isolated antibody, or one of its functional divalent fragments capable of binding to c-Met, wherein said isolated antibody or said functional divalent fragments comprise a heavy chain comprising CDR- H1, CDR-H2 and CDR-H3 comprising, respectively, the amino acid sequence set forth in SEQ ID Nos. 1, 2 and 3; and a light chain comprising CDR-L1, CDR-L2 and CDR-L3 comprising, respectively, the amino acid sequence set forth in SEQ ID Nos. 10, 11 and 12.