Four basic principles to be followed in patent application

The four basic principles of patent application are: written principle, priority principle, first application principle and prescription principle. According to relevant laws and regulations, the patent holder or obligee may submit corresponding written materials to the patent application institution according to law. And claim the patent priority, it shall make a written statement at the time of application.

legal ground

/kloc-article 26 of the patent law of People's Republic of China (PRC), which came into effect on June, 0.

To apply for a patent for invention or utility model, a written request, a specification, an abstract thereof, a patent claim and other documents shall be submitted.

Article 30

Where an applicant claims the priority of a patent for invention or utility model, he shall make a written statement at the time of application and submit a copy of the first patent application document within 16 months from the date of the first application.

Where an applicant claims the priority of a design patent, he shall make a written statement at the time of application and submit a copy of the first patent application document within three months.

Where the applicant fails to submit a written statement or a copy of the patent application documents within the time limit, it shall be deemed that the priority has not been claimed.