| Sergey Oboguev ( |
fair use of a copyrighted work ... for purposes such as criticism, comment, news reporting, teaching ... scholarship, or research, is not an infringement of copyright. In determining whether the use made of a work in any particular case is a fair use 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.
http://www.copyright.gov/fls/fl102.h tml
http://www.copyright.gov/title17/92chap 1.html
http://en.wikipedia.org/wiki/Fair_u se
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.
http://www.copyright.gov/fls/fl102.h
http://www.copyright.gov/title17/92chap
http://en.wikipedia.org/wiki/Fair_u