About Dennis A. Lienhardt, Jr.
Dennis A. Lienhardt is a Partner at The Miller Law Firm. He concentrates his practice on complex class action litigation.
Dennis Lienhardt has extensive experience litigating cases concerning consumer fraud, product liability, data breach, environmental tort, antitrust, and securities fraud claims. He has prosecuted more than a hundred class actions on behalf of consumers in federal courts in Michigan, New York, California, Illinois, Ohio, Minnesota, Kanas, Oregon, and Arkansas. Mr. Lienhardt has played a significant role in recovering hundreds of millions of dollars in cash and benefits for class members nationwide.
Mr. Lienhardt currently serves as a key member of many court-appointed leadership teams, including in In re Chevy Bolt EV Battery Litig., In re Chrysler Pacifica Fire Recall Prods. Liab. Litig., and In re General Motors Air Conditioning Marketing and Sales Practices Litig. He is also currently prosecuting many other nationwide class actions involving product defects, securities fraud, data breaches, and violations of consumer protection statutes.
Mr. Lienhardt was named a Michigan Super Lawyer Rising Star in 2022-2025 and One to Watch by Best Lawyers in 2024-2025. In 2025, he served as an adjunct professor at Wayne State University Law School, teaching the school’s inaugural Class Actions and Multidistrict Litigations course.
Prior to joining Miller Law, Mr. Lienhardt received his law degree from Wayne State University Law School where he served as Editor-in-Chief of the Wayne Law Review and a Senior Member of the Moot Court team. He received his Bachelor of Arts from the University of Michigan – Dearborn where he was elected President of the Student Government and named a university “Distinguished Student Leader.”