A growing legal dispute over the Justice Department’s investigation into hospitals that provide transgender-related drugs and surgeries to children is escalating into a broader judicial turf war, with Democrat-appointed federal judges in multiple states increasingly stepping into proceedings that legal scholars argue are out of their jurisdictions.

The latest developments came Tuesday, when a federal judge in Maryland weighed a request for nationwide class-action protections against the DOJ’s records requests, while a judge in California moved to halt enforcement of a Texas grand jury subpoena seeking patient records from a children’s hospital.