At least, one of them is and it’s name is MangaFox. Several months ago, many scanlation manga aggregators like Manga Helpers, One Manga, and Manga Fox had taken down links to licensed manga series in their sites due to the threat of legal action from license owners.
The dust has settled for quite some time and it seems like one is playing a little dirty by re-instating licensed manga’s such as the popular Bleach, One Piece, and Naruto into their site. So far, no news of legal action against the site has been made but it’s just a matter of time, in my opinion.
For more details, and lots of comments on the issue, drop by ANN.