4A_593/2020 vom 23. Juni 2021 [Named arbitrator removed – Arbitration clause not inoperative – Challenge of arbitrator pending the arbitration] - ASA Bulletin View 4A_593/2020 vom 23. Juni 2021 [Named arbitrator removed – Arbitration clause not inoperative – Challenge of arbitrator pending the arbitration] by - ASA Bulletin 4A_593/2020 vom 23. Juni 2021 [Named arbitrator removed – Arbitration clause not inoperative – Challenge of arbitrator pending the arbitration] 39 3 ASA Bulletin