At present, the validity period of Japanese invention patent right is

Legal analysis: 1, Japanese invention patent: the technical scheme of the new law put forward to improve the technical structure, method, process flow or process parameters of products.

Invention patent: valid for 20 years from the date of application. The validity period of patents for drug and pesticide inventions may be extended, but the longest period shall not exceed 5 years.

2. Japanese utility model patent: a new technical scheme suitable for practical use with the purpose of improving the shape, structure or combined technical characteristics of products.

Utility model: No substantive examination is required, and authorization can be granted after 6 months from the date of application, and the validity period is 6 years from the date of application.

3. Japanese design patent: a new design with aesthetic feeling and suitable for industrial application, which aims at the shape, pattern or combination of product and the combination of color, shape and pattern.

Design: from the date of registration 15 years.

Language of application: Japanese.

Legal basis: Article 36 of the Japanese Patent Law. Anyone who intends to obtain a patent must submit an application to the director of the patent office, recording the following matters.

1. The name, address or domicile of the patent applicant, and the name of its representative if the applicant is a legal person;

Second, the proposed date;

3. Name of invention;

4. The name and domicile or address of the inventor.

2. The application must be accompanied by a detailed description of the following matters and necessary drawings:

1. Invention name;

Second, a brief description of the attached drawings;

3. Detailed description of the present invention;

Fourth, the scope of patent claims.

3. In the case of obtaining an additional patent, the supplementary relationship between the obtained invention and the additional patent must be recorded in the detailed description.

4. In the detailed description of the invention in the third item of the second paragraph, it is necessary to record the degree to which the invention belongs to the technical field, the purpose, structure and effect of the invention.

5. Within the scope of the claim in Paragraph 2, Item 4, the necessary items of the invention must be recorded in the detailed description of the invention. However, it is also possible to record the implementation of the present invention.

6. The scope of the claims mentioned in the preceding paragraph must be recorded in accordance with the provisions of the Ministry of International Trade and Industry.