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Employer owns worker's Excel tool, Japan court says, highlighting compensation gap

By Toko Sekiguchi ( November 27, 2025, 07:47 GMT | Insight) -- A Japanese court has ruled that a self-initiated Excel-based accounting system developed by an employee belonged entirely to the employer, noting that Japan’s Copyright Act offers no statutory compensation for workplace-created software.A Japanese court has ruled that a self-initiated Excel-based accounting system developed by an employee belonged entirely to the employer, noting that Japan’s Copyright Act offers no statutory compensation for workplace-created software....

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