Provisions on patent marking and patent number marking methods
According to the relevant provisions of the Patent Law of People's Republic of China (PRC) and the Detailed Rules for the Implementation of the Patent Law of People's Republic of China (PRC), the Provisions on the Marking Methods of Patent Marks and Patent Numbers are formulated, and shall come into force on July 1 2003.
Article 4 Where the patent mark and patent number are marked, the following contents shall be marked:
(a) indicate the categories of patent rights in Chinese, such as China invention patent, China utility model patent and China design patent;
(2) The patent number of the patent granted by China National Intellectual Property Administration, in which "ZL" means "patent", the first and second digits indicate the year when the patent application was filed, the third digit indicates the patent category, and the fourth digit is the serial number and computer check digit.
In addition to the above contents, the annotator may attach other text and graphic marks, but the attached text and graphic marks and their marking methods shall not mislead the public.
Extended data
Provisions on patent marking and patent number marking methods
Article 5 Where the patent mark and patent number are marked on the product directly obtained by patent method or on the packaging of the product, it shall be indicated in Chinese that the product was obtained by patent method.
Article 6 The patent administration department of the local people's government shall be responsible for the supervision and administration of patent marks and patent number marks within its administrative area.
Article 7 Where a patent mark or patent number does not conform to these Provisions, the administrative department for patent affairs may require it to make corrections within a time limit.
If the patent mark or patent number is improperly marked, which constitutes an act of impersonating a patent, the administrative department for patent affairs shall punish it in accordance with the provisions of Article 59 of the Patent Law.
Baidu Encyclopedia-Provisions on Marking Methods of Patents, Trademarks and Patent Numbers