The U.S. Supreme Court may wait to decide whether to take a trio of LGBT worker discrimination cases until a petition involving transgender student bathroom access is also ready for consideration. At least that’s one theory lawyers involved in the cases are considering.

The theory makes sense because of the interplay and overlap between the federal law at issue in the employment bias cases and the statute at the center of the transgender bathroom access case, three of the lawyers told Bloomberg Law.

“The court doesn’t tell me what it’s doing, but I have heard that hypothesis and it’s something...