https://www.eff.org/press/releases/e...oading-lawsuit

In this case, adult film company Hard Drive Productions sued 1495 unnamed Internet users, claiming they illegally downloaded copyrighted pornographic material. Some of these defendants moved to quash subpoenas aimed at revealing their identity. Many filed those motions under seal, to protect their anonymity until the motions are decided.

Last month, a judge issued a "Catch-22" order, requiring these individuals to reveal their identities before their motions – which were made to protect their identities – could proceed.