A five-phase description of the design innovation process is described by Plattner, Meinel, and Leifer as redefining the problem, needfinding and benchmarking, ideating, building, testing.



A five-phase description of the design innovation process is described by Plattner, Meinel, and Leifer as redefining the problem, needfinding and benchmarking, ideating, building, testing.
“While the stages are simple enough, the adaptive expertise required to choose the right inflection points and appropriate next stage is a high order intellectual activity that requires practice and is learnable.”