Patent owners have been labeled, sometimes, as “patent trolls” because they neither manufacture products nor supply services based on the patents they own, but instead pursue and collect licensing fees or damages from those patents. Patent trolls have become a hot media topic, and now Congress is considering legislation to curb their rise. But patent trolls are not alone. There are also copyright trolls. Copyrights provide limited monopolies to artists to encourage them to create works and protect those …