Loophole for Righthaven?

Anyone familiar running websites, or internet copyright issues care to give this article from WIRED a review...?

The $105 Fix That Could Protect You From Copyright-Troll Lawsuits

"Call it ingenious, call it evil or call it a little of both: Copyright troll Righthaven is exploiting a loophole in intellectual property law, suing websites that might have avoided any trace of civil liability had they spent a mere $105.

That’s the fee for a blog or other website to register a DMCA takedown agent with the U.S. Copyright Office, an obscure bureaucratic prerequisite to enjoying a legal “safe harbor” from copyright lawsuits over third-party posts, such as reader comments..."

[link to www.wired.com]