[Michael J. Finn Law Offices Michael J. Finn Law Offices is located Hartland, Wisconsin. Michael Finn is a general practice attorney, specializing in child placement, divorce, personal injury, criminal law and more. Mr. Finn is knowledgeable in child custody, state of WI child custody laws, child support laws, family law and divorce law. Mr. Finn has worked with clients in Hartland, Oconomowoc, Waukesha, Pewaukee, Milwaukee and the Waukesha and Lake County Area.]