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.
Representative Matters
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., In re General Motors Air Conditioning Marketing and Sales Practices Litig., Azar v. Nissan North America, Frisch v. FCA US LLC, and In re HVAC Antitrust Litig. He is also currently prosecuting many other nationwide class actions involving product defects, securities fraud, data breaches, and violations of consumer protection statutes.
In recent years, Mr. Lienhardt has recovered settlements for class members valued at: $150 million in In re Chevy Bolt; $100 million in Wood v. FCA US LLC; $96 million in White v. FCA US LLC; $30 million in Reynolds v. FCA US LLC; and $20 million in Crawford v. FCA US LLC.
Awards and Recognition
Mr. Lienhardt was named a Michigan Super Lawyer Rising Star in 2022-2025 and One to Watch by Best Lawyers in 2024-2025. Since 2025, he has served as an adjunct professor at Wayne State University Law School, teaching the school’s first-ever 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.”