"Fraud upon the court" versus a frivolous lawsuit, within the meaning I Rute tn's saving clause by distinguishing from intrinsic and extrinsic fraud. The question presented is "fraud upon the court" intentionally and unintentionally or just intentionally protected or unprotected by immunity or is detected "fraud upon the court" predominantly void able to set aside judgment within appellate courts' review of a federal courts' decree or final judgement order overrule frivolous defiance?

Question presented is a prose ligitant's defense not identifed to authorize change of the court address impersonation by Title 18?

fraud upon the court