Chief Justice John G. Roberts Jr. Oct. 10 transferred several complaints against now-Justice Brett M. Kavanaugh to the U.S. Court of Appeals for the Tenth Circuit.

The 15 remaining complaints, filed in the D.C. Circuit, are presumably related to Kavanaugh’s testimony during his Senate confirmation hearings, though judicial complaints are typically confidential.

Because of the “exceptional circumstances” surrounding the 15 complaints, the D.C. Circuit, where Kavanaugh used to sit, requested that the chief justice transfer the cases to...