| 摘要 |
There is provided a license management system including an issuance system that issues a license for digital content which includes an instruction to change a usage condition for a related license if the related license which has the usage condition to be changed exists, and a user system that, if a license for a digital content includes an instruction to change a usage condition for a related license and the related license is stored within the user system when the use of the digital content is instructed, changes the usage condition for the related license in accordance with the instruction.
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