The massive litigation has been co-mingled in Missouri, and there are some interesting elements at play. For starters, the judge presiding over the case says that if you want to be a named plaintiff in the litigation, you can’t use a pseudonym like “John Doe,” and instead you have to use your real name. The judge, in agreeing with Ashley Madison’s owners, ruled that only in extraordinary circumstances may civil litigation proceed under fake names, like in cases such as sex crimes and suits about juveniles.
via Want to sue Ashley Madison over data breach? You must use your real name | Ars Technica