The Copyright Law of the United States of America, Title 17, Sect.107
Fair Use is a privilege.
Use of copyrighted material is based on the four factors detailed in the Copyright Act. Fair Use is determined by balancing these four factors in relation to the use.
- Purpose and character of the use
- Commercial or educational use
- For profit or not
- Degree of transformation: value added
- For criticism, commentary, news reporting
- Nature of the copyrighted work
- Character of the work (consider factual vs fiction)
- Worthy of (extensive) protection?
- Amount and substantially used
- Use only what's necessary
- Quantity and quality in relation to the whole work
- Effect of the use upon the potential market for or value of the copyrighted work
- Harm to the market or potential market of a work after a portion has been used separately from the whole
Source: Four Factors of Fair Use, Ball State University: http://cms.bsu.edu/Academics/Libraries/CollectionsAndDept/Copyright/FairUseTEACH/FourFactorsFairUse.aspx
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