The disclosed case materials can be used without charge under creative commons license except for actions that accompany with payments such as use for trainings at profit organization or trainings at non-profit organization with pay.
On condition that you follow below rules, you can copy, distribute, display, and perform the material as you like.
・Attribution: You must show credit of the author.
・Non-profit: You must not use this for profit purpose without author’s consensus in advance.
・Derivation prohibited: You must not revise, change, or convert this material.
This is an act led by “Creative Commons Corporation” headed by Professor Lawrence Lessig at Stanford University.
By encouraging free sharing and use of contents, the act is aiming at increasing the contents made open to public assuming contents are to be shared and used freely, and develop creative commons for free sharing. For details, please refer to the home page of Creative Commons Japan.