Donnelly v. NCO Fin. Sys., Inc., 2009 WL 5551377 (N.D. Ill. Dec. 16, 2009)

Key Insight: Court granted motion to compel defendant to produce a list of all persons it called on cellular telephones within particular area codes, despite defendant?s claim that such production would be unduly burdensome and minimally probative and that it would need to create special programs to extract the information which would take ?several hundred hours,? where court determined plaintiff?s need for the information outweighed the burden in producing it

Nature of Case: Class action

Electronic Data Involved: ESI