Procedural phases in litigation: the role of the expert from drafting of the complaint through trial In this first part of a four-part series titled “Providing Effective Litigation Services” Mark Shirley, CPA/ABV, CVA, MAFF, CFE presents an overview of the phases in a civil case, from filing of the complaint through trial. An effective expert is a professional that understands the procedure, rules, his or her role and has the knowledge to provide the trier of fact, an informed opinion and ability to anticipate challenges.