Legal basis: Article 20 of the National Flag Law of People's Republic of China (PRC) * * * The national flag and its pattern shall not be used as trademarks, patented designs or commercial advertisements, and shall not be used in inappropriate occasions such as private funeral activities.
Article 30 of the Patent Law of People's Republic of China (PRC) 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 filing 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.