Even after the long-awaited confirmation of Judge Luis Felipe Restrepo to the U.S. Court of Appeals for the Third Circuit, Pennsylvania’s federal courts still have judicial vacancies that could be prolonged by Capitol Hill politics.

The same partisan squabbling that kept Restrepo—a candidate with bipartisan ­support—in congressional limbo for 14 months after his nomination is a very real threat to the speedy nomination of a candidate to fill the remaining empty spot on the Third Circuit bench, observers said, as well as the confirmation of Pennsylvania’s four newest district court nominees.