More than five years after terrorists took down the World Trade Center, the stalemated litigation over compensation for workers who suffered respiratory ailments clearing the disaster site has made little progress — and Southern District of New York Judge Alvin K. Hellerstein is not pleased.

The judge is tired of conflict between defense lawyers for New York City and the 140 contractors who cleaned up the site and plaintiffs lawyers who represent as many as 11,000 people claiming injury.