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What problems should be paid attention to in the process of Japanese patent application
1. General overview

Japanese patents include invention patents, utility model patents and appearance patents. Patent examination form, examination period, protection period and information required for application are shown in the following table:

List of Japanese patent application information

2. Invention patents

(1) Protect content

The content of Japanese invention patent application protection is a new technical scheme to improve the product technical structure, method, process flow or process parameters. Patents such as pesticides and medicines may be extended within the unenforceable period (up to 5 years) according to the application of the patentee.

(2) Application process

Japan's application for an invention patent mainly includes the following procedures: submitting an application (English application documents can be submitted first, and Japanese translation can be supplemented within 2 months) → publicity (from the date of application 18 months) → substantive examination → authorization (the applicant should register and pay the annual fee for the current year within 1 month after receiving the authorization notice).

3. Patent for utility model

(1) Protect content

The content of Japanese utility model patent application protection is a new practical technical scheme aimed at improving the product shape, structure or its combined technical characteristics.

(2) Application process

Japanese utility model patent application mainly includes the following processes: application stage (application for utility model patent must be submitted in Japanese, with Japanese translation provided at the same time) → examination stage (without substantive examination) → authorization stage → announcement stage.

4. Appearance patent

(1) Protect content

The content of Japanese patent application for appearance protection is a new design with aesthetic feeling and suitable for industrial application, which refers to the shape, pattern or combination of products and the combination of color and shape and pattern.

(2) Application process

Japanese design patent application mainly includes the following processes: application stage → examination stage → authorization stage (the registered and effective design right will be announced in the design bulletin).

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