Patent ID: 9498532
Filing Date: 2016-11-22
CPC Classification: A61K,A61P,C07K

Claim Text:
1. An antibody drug conjugate of the formula or a pharmaceutically acceptable salt thereof; wherein Ab is an antibody or antigen binding fragment thereof that specifically binds to both human FGFR2 and FGFR4; wherein said antibody or antigen binding fragment thereof comprises a heavy chain variable region that comprises: (a) a VH CDR1 of SEQ ID NO: 1, (b) a VH CDR2 of SEQ ID NO: 2, (c) a VH CDR3 of SEQ ID NO: 3, (d) a VL CDR1 of SEQ ID NO: 11, (e) a VL CDR2 of SEQ ID NO: 12, and (f) a VL CDR3 of SEQ ID NO: 13, wherein the CDR is defined in accordance with the Kabat definition; L is a linker; D is a drug moiety; m is an integer from 1 to 8; and n is an integer from 1 to 10.