[in Japanese]

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[in Japanese]

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[in Japanese]

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[in Japanese]

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[in Japanese]

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This paper addresses the treanment upon the inventor related to the emproyee’s inventions in the corporation. The Japanese Patent Law revised in 2015 provides that the employee shall have the right for some economical benefit such as a reasonable money, etc. The said revised Japanese Patent Law, further, provides that a guideline shall define the process for determinining the content of the economical benefit such as reasonable money, etc. However, neither the concrete content of the economical benefit nor the method for calculating the said value is clearly described in the said guideline. The paper, firstly, describes the history of the revisions in the Japanese Patent Law with regard to the emproyee’s inventions. Next, the paper discusses the money provided when a patent application is filed, the money provided when a patent is granted, and the money provided when a result is achieved. Further, the methods for calculating of the reasonable remunelation for the emproyee’s invention, in particular, in the jugement of some trial cases, are analized. As for the method for evaluating the money values when a patent application is filed, the method using the real options model is proposed.

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