Abstract- Logic of Innovation: intepreting 'invention' in art and science. In the sixteenth and seventeenth century, 'invention' often referred to a process of composition which traversed artistic, literary, and scientific fields. In the eighteenth century, the concept changed its meaning, signifying a novel technology distinctive from the objects of art. The paper proposes a sociological model drawing on controversy studies in the sociology of science as a means to understand shifting ideas of invention. Definitions of 'Invention' are best understood as resources within larger conflicts over the boundaries and proprieties of art, science, and technology. Examples from the history of fireworks and gas-lighting will illustrate the argument.