A Washington federal trial judge is weighing whether to hold in civil contempt a Russian company charged in the special counsel’s investigation, as prosecutors and the defense lawyers quarrel over whether the indicted firm has complied with trial subpoenas.

The government’s case against Concord Management and Consulting, among the Russian outlets charged in a conspiracy to sow discord in the 2016 U.S. presidential election, has been hard-fought from the start, with defense lawyers contesting the charges and pressing back at every turn.