July 27, 2004
GPL Compliance for Software Developers
Fair use
Fair use
Allows certain uses which would otherwise be copyright infringement
US law: 17 USC 107
other countries have different rules
Four factors:
Purpose of the use
commercial, educational...
Transformative nature
Type of work
creative vs. factual
visual vs. textual
Amount of work used
Not by percentage of lines
by importance
Effect on the potential market
There are no N line/word/character rules
Fair use applies to Free Software too
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Copyright © 2004, Free Software Foundation. Verbatim copying permitted provided this notice is preserved.