According to Forbes, the descendants of Abbott and Costello have appealed their copyright claim against the play HAND TO GOD all the way to the Supreme Court. The case originated when the heirs discovered that the play used over a minute of the famous 'Who's on First' routine without permission. The federal appellate court, however, decided the heirs do not in fact have a copyright claim to the material.
SOURCE: BroadwayWorld at 12:31PM on April 29, 2017