The Fourth Circuit issued an opinion yesterday in an under-developed area of arbitration law: when are awards “mutual, final, and definite”?  This is an important issue because under Section 10(a)(4) of the Federal Arbitration Act, arbitration awards can be vacated if they don’t meet the standard of “mutual, final and, definite.”

In Norfolk Southern Railway

The recent Sutter decision drives home repeatedly that a court may not vacate an arbitrator’s decision under the FAA just because a judge thinks the arbitrator reached the wrong result.  Justice Kagan said that under Section 10(a)(4) the court cannot second-guess the award, not even in the face of “grave error.”  Instead, the award must