What are the valid patent applications? Are there any legal restrictions?

There are legal restrictions on the time for applying for a patent for utility model. Generally within six months before the date of application. According to the relevant laws and regulations, if the invention-creation for which a patent is applied has no legal reasons within six months before the date of application, and the local patent administration department has not applied for a patent, the utility model will lose its novelty.

legal basis

article 2 of the patent law of the people's Republic of China, which came into effect on June 1, 221

inventions mentioned in this law refer to inventions, utility models and designs.

utility model refers to a new practical technical scheme for the shape, structure or combination of products.

Article 24

An invention-creation for which an application for a patent is filed shall not lose its novelty under any of the following circumstances within six months before the date of filing:

(1) It was first made public for the public interest in case of national emergency or extraordinary circumstances;

(2) It was exhibited for the first time at an international exhibition sponsored or recognized by the China Municipal Government;

(3) It was first published at a specified academic conference or technical conference;

(4) others disclose the contents without the consent of the applicant.