In Re Rubiola

In this original mandamus proceeding, Relators seek to compel arbitration under an arbitration agreement they did not sign. The real parties in interest, who are signatories to the arbitration agreement, object to arbitration and contend that Relators cannot compel arbitration because Rela-tors are not parties to the arbitration agreement. The trial court apparently agreed because it denied Relators’ motion to compel arbitration. The underlying arbitration agreement, however, designated certain non-signatories as parties to the agreement.

We must decide whether the parties who actually agree…