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Ronayne joins Plunkett Cooney’s Commercial Litigation Practice Group


Former Michigan Supreme Court Judicial Law Clerk Louis F. Ronayne, III recently joined Plunkett Cooney’s Commercial Litigation Practice Group.

Ronayne, who previously served as judicial law clerk to Justice Brian K. Zahra, is a member of the Bloomfield Hills office of Plunkett Cooney – one of the Midwest’s oldest and most accomplished law firms.

“Louis is an outstanding attorney, and his background working for the state’s highest court will be invaluable in helping formulate legal arguments and in positioning cases for successful outcomes,” said Plunkett Cooney President & CEO Thomas P. Vincent.

Ronayne will assist clients in complex financial and business disputes and appeals. His litigation practice will include all aspects of commercial liability, including disputes arising under the Uniform Commercial Code.

A 2017 magna cum laude graduate of Michigan State University College of Law, Ronayne is the recipient of several academic honors, including the Walter E. Oberer Scholarship. He also served as executive editor of the law school’s Journal of Business  and Securities Law.

Ronayne received his undergraduate degree, cum laude, in 2014 from Adrian College. He is a licensed real estate professional in Michigan and a member of the State Bar of Michigan.

Plunkett Cooney's Commercial Litigation Practice Group represents a broad range of clients in litigation, arbitration and other forms of alternative dispute resolution concerning matters that arise while conducting business. Practice group members have extensive experience in matters involving contract disputes, business torts, real estate disputes, business ownership conflicts, bankruptcy, antitrust claims, corporate compliance issues, tax and finance issues, commercial collections, commercial landlord tenant, civil RICO, ERISA, intellectual property claims and many other areas.

Established in 1913, Plunkett Cooney is a leading provider of business and litigation services to clients in the private and public sectors. The firm employs approximately 140 attorneys in eight Michigan cities, Chicago, Illinois; Columbus, Ohio; and Indianapolis, Indiana. Plunkett Cooney has achieved the highest rating (AV) awarded by Martindale-Hubbell, a leading, international directory of law firms. The firm was also selected by Crain’s Detroit Business as its inaugural Law Firm of the Year.

For more information about Louis F. Ronayne, III joining the Commercial Litigation Practice Group of Plunkett Cooney, contact the firm’s Director of Marketing and Business Development John Cornwell at (248) 901-4008;



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