William Patry is the Senior Copyright Counsel for Google. He is the expert's expert on copyright law. Here is his review of an important ruling in Eagle Services Corp. v. H20 Industrial Services . Judge Posner of the 7th Circuit Court of Appeals ruled that defendants who prevail in copyright cases may be entitled to recovery of legal fees, even if the Plaintiff's lawsuit is not frivolous. Here is Patry's blog entry:

http://williampatry.blogspot.com/2008/07/judge-posner-on-attorneys-fees-to.html

And here is Judge Posner's opinion:

http://www.ca7.uscourts.gov/tmp/EX1FFU9X.pdf