How long does it take to apply for an international patent?

There is no specific time limit for applying for an international patent, and it should be judged according to the specific circumstances. Moreover, the applicant needs to file an application with the patent administration department of the State Council, and the patent department shall accept and publish the international patent application filed in accordance with the patent cooperation treaty.

legal ground

Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC) Article 101 The patent administration department in the State Council shall accept the international patent application filed in accordance with the patent cooperation treaty in accordance with the provisions of Article 20 of the Patent Law. Article 114 The patent administration department of the State Council shall, after preliminary examination of the international application for the patent right for invention, find that it conforms to the relevant provisions of the Patent Law and these Rules, and shall publish it in the Patent Gazette; Where an international application is filed in a language other than Chinese, the Chinese translation of the application documents shall be published. Where an international application for a patent right for invention is published internationally by the International Bureau in Chinese, the provisions of Article 13 of the Patent Law shall apply from the date of international publication; Where the International Bureau publishes internationally in a language other than Chinese, the provisions of Article 13 of the Patent Law shall apply as of the date of publication by the patent administration department of the State Council. For international applications, the publication mentioned in Articles 21 and 22 of the Patent Law refers to the publication specified in the first paragraph of this article.