I have more details on this morning's First Circuit decision (written by Judge O. Rogeriee Thompson) in Doe v. Smith in this post, which deals with the court's rejection of the winner's attempt to sue pseudonymously; but the short version of the facts is:
Doe won 1.35 billion (yes, billion with a "b") dollars in the Maine State Lottery. And then he made "Sara Smith," the mother of his child, sign a non-disclosure agreement ("NDA") swearing her to secrecy about the win and his identity. But Smith may have spilled about Doe's lotto win anyway, thus violating the NDA, so Doe brought Smith to federal court (whose jurisdiction arose via the diversity of the parties) seeking an injunction and damages.
Doe sought a closed trial, to protect his anonymity, but the court said no: