Atlanta Gas Light Co. v. Bennett Regulator Guards Inc.

(1) Whether the U.S. Court of Appeals for the Federal Circuit erred in concluding that it had jurisdiction to review the Patent Trial and Appeal Board"s decision to institute inter partes review of respondent"s patent over respondent"s objection that it was time-barred; and (2) whether the U.S. Court of Appeals for the Federal Circuit erred when it rejected the longstanding principle that a dismissal without prejudice leaves the parties as if a suit had never been brought, splitting the circuits.