US firm Covington & Burling has taken the lead role for pharma giant GlaxoSmithKline (GSK) on its record $3bn (£1.9bn) criminal and civil settlement over drug misbranding, reports The Blog of Legal Times.

The settlement saw GSK agree to plead guilty to criminal charges and to pay $1bn (£638m) in criminal fines and forfeitures for the illegal marketing and promotion of the drugs Paxil and Wellbutrin.