The PCT is an abbreviation of the Patent Cooperation Treaty, an international Treaty on patents. According to the PCT, patent applicants can submit international patent applications through the PCT, and apply for patents in many countries.

1. Simplified the application procedures, made it simpler and faster, and provided a more convenient way for applicants to apply for patents in foreign countries;

2. Postponement of decision making: when filing an ordinary patent application with a foreign country, the patent applicant must file the patent application with the Patent Office of each country within 12 months after the date of the first patent application. The PCT allows international patent applications to enter each country within 30 months of the date of first filing.

3. Accurate investment: because the decision time can be delayed, the funds entering the national stage can be accurately invested;

4. Improve the application documents: through the PCT international application procedures, you can have the opportunity to modify the PCT international application documents twice to achieve the effect of improving the patent application documents;

5. Obtain PCT international search reports and written opinions, and preliminarily evaluate the novelty and creativity of patent applications.