Patent application belongs to which principle of making the first innovation and entrepreneurship project?

Directional principle. There are four principles to apply for patent as the goal of innovation and entrepreneurship: directional principle, broad-spectrum principle, synergistic principle and characteristic principle. Applying for a patent belongs to the principle of orientation, and it is necessary to submit a divisional application and pay the application fee twice, with a clear entrepreneurial goal, and it is faster to fill out the patent book.