Section 107 lists four factors: the purpose and character of the use, including whether it is of a commercial nature or for nonprofit educational purposes; the nature of the copyrighted work; the amount and substantiality of the portion used in relation to the work as a whole; and the effect of the use upon the potential market for or value of the work.

The exact words it rests on

the factors to be considered shall include— (1) the purpose and character of the use, including whether such use is of a commercial nature or is for nonprofit educational purposes; (2) the nature of the copyrighted work; (3) the amount and substantiality of the portion used in relation to the copyrighted work as a whole; and (4) the effect of the use upon the potential market for or value of the copyrighted work.

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

The source

Title 17, chapter 1: Section 107, limitations on exclusive rights: fair use
U.S. Copyright Office

Open the sourcearchived copy

Checked

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