https://www.mnbar.org/

Treatise
Released as a free eBook by the MSBA, this guide helps Minnesota lawyers understand and respond to ethics complaints and professional discipline proceedings. Drawing on decades of practical experience, it offers an insider’s perspective while encouraging readers to conduct additional legal research.
MSBA Publication
A publication of the Minnesota State Bar Association, Minnesota’s largest and most prominent organization of attorneys.
Author
William J. Wernz is one of the nation’s foremost authorities on legal ethics. Formerly ethics counsel for Dorsey & Whitney LLP in Minneapolis, he served first as a staff attorney and later as director of the Office of Lawyers Professional Responsibility, where he prosecuted attorney discipline cases.
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Dealing With and Defending Ethics Complaints