Copyright Restrictions
memo
(Minor use, etc. incidental to information processing by computer and provision of the results thereof)
The Copyright Act grants various rights to the creator of a work, but granting those rights unconditionally may impede cultural development (see: Article 1 "Purpose of the Copyright Act").
(old)
There, Subsection 5 Limitation of Copyright (Articles 30-50) describes when copyright is limited. The most famous is Article 32 "reference", and of particular importance to machine learning researchers is Article 47-7 "Reproduction for information analysis, etc.".
(new)
The "Act for Partial Revision of the Copyright Act" was enacted in the 196th Ordinary Diet Session on May 18, 2008, and promulgated as Act No. 30 of 2008 on May 25 of the same year. This law will come into effect on January 1, 2019, except for some provisions.
Act for Partial Revision of the Copyright Act (Act No. 30 of 2008) | Agency for Cultural Affairs [PDF https://www.kantei.go.jp/ jp/singi/titeki2/tyousakai/kensho_hyoka_kikaku/2018/contents/dai4/siryou6.pdf]
Article 47-5 (Minor use, etc. incidental to information processing by computer and provision of the results thereof) was added.
[Lawyers explain the "impact" of the "Copyright Act revised in 2008" on business (1/5) - ITmedia NEWS https://www.itmedia.co.jp/news/articles/1904/04/news009. html]
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I saw /Chosakukenho and thought it would be good to have such a page, so I wrote it.
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This page is auto-translated from /nishio/著作権の制限. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.