From Magistrate Judge Reid Neureiter last Wednesday in Kazazian v. Wilson Elser LLP (D. Colo.) (plaintiff appears to be the same plaintiff who was denied pseudonymity in Roe v. Colorado Judiciary Department):
Lawsuits are public. Allegations found in publicly filed lawsuits are generally immune from claims of defamation. But, in exchange for being able to launch public allegations of malpractice or breach of duty against Defendants without threat of a defamation claim in response, Plaintiff necessarily must accept that there will likely be public counter-allegations in return that may reveal her personal information. She will have to accept this as part of the cost of bringing a lawsuit.
And an excerpt from the broader analysis: