Recently in Opalinski v. Robert Half International
Inc.,2 the Third Circuit joined the Sixth Circuit
in holding that the question of whether parties to an arbitration
agreement consented to class arbitration is an issue for courts,
rather than arbitrators, to decide, unless the parties clearly
agree otherwise. The court reasoned that proceeding on a class
basis so fundamentally changes the nature of arbitration that
whether the parties agreed to do so is a substantive gateway
issue—i.e., an issue of "arbitrability"— for
courts to decide, rather than a procedural issue for
arbitrators.3
The Third Circuit decision in Opalinski and the Sixth
Circuit decision in Reed Elsevier, Inc. v.
Crockett4 represent significant victories for
parties hoping to avoid class arbitration when an arbitration
clause is silent on the availability of class procedures. This
article discusses why it is important for courts, rather than
arbitrators, to decide the availability of class