The Center for Constitutional Rights, one group that represents detainees, termed the commission an "escape hatch" for returning to previous practices.
Paul, Weiss represents detainees who have been held by the U.S. military at the Guantanamo Bay detention camp.
Lawyers representing detainees at Guantánamo bridled at that suggestion.
Those who represent long-term detainees say many cases are dragging on despite the ruling.
He has worked to represent detainees still held at Guantanamo, as well as to help former detainees become re-integrated into society.
Kun is now representing detainees in a case before the nation's Supreme Court.
In 2010, Bellinger publicly defended Obama Administration officials who had been criticized for previously representing detainees at Guantanamo.
He and his son are among more than 100 attorneys who have represented detainees there.
In a BBC interview, when asked why he was representing detainees, he answered that "liberty is eroded at the margins".
Today 42 lawyers representing detainees announced they were going on a two-day fast in solidarity with the fasting prisoners.