What are the requirements for an international patent application? What's special about submitting an international application?

I. Conditions for International Patent Application An applicant may file an international application in China National Intellectual Property Administration, China as long as he meets one of the following conditions:

1) China national or China legal person.

2) Foreigners with permanent residency in China or foreign legal persons registered in the industrial and commercial departments of China.

If there are multiple applicants, as long as one of them meets the requirements. Different countries can appoint different applicants. Due to the special patent system in the United States, only inventors can become American applicants.

Two. The special point for submitting international applications 1) entrusts a foreign-related agency designated by China National Intellectual Property Administration, China (foreign-related agencies can consult).

2) Where a unit or individual in China files a PCT application for an invention completed in China, it may first file a China patent application with China National Intellectual Property Administration, China, or directly file an international application.

3) declare that the invention does not involve national security or major national economic interests.