1.Security principle.

  The application should keep in secret before handing it over to the patent office. Preventing the publication of the patent from the public in any forms, like exhibition, public sales, usage and etc.

2.Application in time principle.

  As our country practicing the first-to-file principle, so it is necessary to apply a patent immediately if you get a new invention. In this way, you can do the mass production when the condition is mature, namely get the patent rights.

3.Fully publicity principle.

  In the patent system, publicity is necessary. Not fully publicity will cause the rejection of the application, so the applicant should prepare detailed written materials about the new invention for the agency. The agency will grasp the scope of publicity and security in order to keep the progress of authorization going smoothly.

4.Search principle

  Sometimes applicants take its for granted that their inventions, which do not appeared in the market, possess the patent ability. In fact, many patent technologies do not put into practice for some reasons, so it is necessary for the applicant to search the existing patent date base before filing an application for patent to avoid wasting time and money.

5.Agency by agreement principle

  Entrusting the patent application to a patent agency has many advantages. The application success ratio will be much higher and can avoid many faults which cause the inspection delay or authorization failed.