When they were brought in as defendants in the case, World-Wide and Seaway claimed that Oklahoma’s exercise of personal or "in personam" jurisdiction over them would offend the limitations on states' jurisdiction imposed by the Due Process Clause of the Fourteenth Amendment to the Constitution of the United States; they asked to be removed from the suit. Audi and Volkswagen, which sold cars in the state of Oklahoma, did not attempt to assert that the Oklahoma state court had no jurisdiction over them.