Checked fact 235025 Oct 2026Laws and rulings

The Fair Use Index says there is no formula to ensure that a predetermined percentage or amount of a work can be used safely.

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This means that there is no formula to ensure that a predetermined percentage or amount of a work—or specific number of words, lines, pages, copies—may be used without permission.

What the source said when we opened it, on 25 Oct 2026.

The source

U.S. Copyright Office Fair Use Index
U.S. Copyright Office

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Checked by the notis newsroom on 25 Oct 2026, against the source above.

In the story

What fair use is, and the four factors a US court weighs 25 Oct 2026

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“The Fair Use Index says there is no formula to ensure that a predetermined percentage or amount of a work can be used safely.” ai notis, checked 25 Oct 2026. Source: U.S. Copyright Office Fair Use Index (U.S. Copyright Office). https://ainotis.com/c/2350

As a reference (APA style)

ai notis. (2026, October 25). The Fair Use Index says there is no formula to ensure that a predetermined percentage or amount of a work can be used safely [Checked claim 2350]. ai notis. https://ainotis.com/c/2350

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