4A_174/2021 du 19 juillet 2021 [Arbitration agreement in an (allegedly) unsigned contract – Form requirements met – Illegality defense raised late] - ASA Bulletin View 4A_174/2021 du 19 juillet 2021 [Arbitration agreement in an (allegedly) unsigned contract – Form requirements met – Illegality defense raised late] by - ASA Bulletin 4A_174/2021 du 19 juillet 2021 [Arbitration agreement in an (allegedly) unsigned contract – Form requirements met – Illegality defense raised late] 39 4 ASA Bulletin