The present invention relates to substituted imidazo[4,5-c]quinoline derivatives of formula (I), wherein R1, R2 and R3 are as defined in the specification, processes for their preparation, pharmaceutical compositions comprising compounds of the present invention and their use in the treatment of diseases or disorders mediated by one or more kinases, particularly proliferative diseases or disorders such as cancer. These compounds can also be used in the treatment of inflammation and angiogenesis related disorders.
