Abstract
The selection invention has close positions between patentability and unpatentability, or validity and invalidity, because the subject matter of the invention had known as to the generic concept. Therefore, it seems to consider as lacking of novelty or inventive step and these judgment accompany with many difficulties and arguments. However, the selection invention has the vital and important limitations to a competitor in the art. If the specification can have more convincing disclosure to the technical criticality of the definition against prior art, the invention able to acquire the patent right. Consequently, the selection invention is possible to have strong enforceability against the competitor.
