Iberdrola v. Guatemala – When Do Negative Jurisdictional Awards Have Res Judicata Effect in Investment Treaty Arbitrations? - ASA Bulletin View Iberdrola v. Guatemala – When Do Negative Jurisdictional Awards Have Res Judicata Effect in Investment Treaty Arbitrations? by - ASA Bulletin Iberdrola v. Guatemala – When Do Negative Jurisdictional Awards Have Res Judicata Effect in Investment Treaty Arbitrations? 39 1 ASA Bulletin