Almost missed this one, but Eric Goldman alerts us to the dozen comments filed with the US Copyright Office concerning its plan to force everyone to keep re-registering their official DMCA agent in order to keep retaining the DMCA's safe harbors. As we've discussed in the past, in order to make use of the DMCA's safe harbors, you have to register an official DMCA agent with the Copyright Office. In fact, we've suggested that anyone running a blog or forum site do exactly that. Many of the companies that were successfully sued by Righthaven (before it was discovered Righthaven didn't...