http://fanlore.org/wiki/Legal_Analysis
There have been a number of articles in law reviews and legal publications addressing various fanwork-related issues, beginning with fan fiction and gradually expanding to other fanworks. This is a bibliography, with links to the full articles where available, in chronological order by year, alphabetical by author within the year. The citation format is close to Bluebook. (From the page)
[LINK] Legal analysis bibliography on Fanlore