Practiceability means that the invention or utility model can be manufactured or used and can produce positive effects.
Requiring that the invention or utility model applied for a patent be practical does not require that the invention or utility model has been actually manufactured or used at the time of application, thereby proving that it has produced positive effects. Only based on the clear and complete description made by the applicant in the specification, a person skilled in the field can conclude that the invention or utility model applied for patent can be manufactured or used based on his or her technical knowledge or after routine tests and designs. , and can produce positive results.
Generally speaking, when examining patent applications for inventions and utility models, we first determine whether they are practical and then judge their novelty and creativity. However, judging from the content of the judgment, the judgment of practicality and the judgment of novelty and creativity are independent of each other and have no connection with each other. Therefore, there is no logical sense whether the practicality is evaluated first or the novelty and creativity are evaluated first. inappropriate.
Lack of practicality:
(1) Lack of technical means;
(2) Violation of the laws of nature;
(3 ) Technical solutions accomplished using unique natural conditions;
(4) No positive effects.