
John A. O'Brien
Partner
- Licensed: 1989
- Joined Firm: 1996
- Partner Since: 2003
Buhl Building
535 Griswold St., Suite 2400
Detroit, MI 48226
TEL: (313) 983-4309535 Griswold St., Suite 2400
Detroit, MI 48226
FAX: (313) 983-4350
Areas of Practice
Education
- University of Detroit School of Law, 1989, J.D.
- Albion College, 1986, B.A.
Bar & Court Admissions
- Michigan, 1989
John A. O’Brien has been a partner at Plunkett Cooney since 2003 and serves as a member of the firm’s Workers’ Compensation Practice Group. While he concentrates his practice primarily in the area of workers’ compensation litigation, he is also involved in third-party litigation.
Mr. O’Brien represents a variety of self-insured, workers’ compensation funds, including the Metalworking Industries of Michigan Workers’ Compensation Self-Insured Fund, the Michigan Institute of Laundering & Dry Cleaning, the Michigan Horticulture Industries Workers’ Compensation Fund, as well as a variety of healthcare providers, hospitals, credit unions and municipalities.
Representative Client Work
- Successfully defended a large asbestos manufacturer in an 18-party death claim, involving multi-million dollar claims
- Successfully defended a high profile motor vehicle fatality claim involving a local radio personality
- In addition to numerous pre-trial settlements in workers’ compensation matters, on average, Mr. O’Brien tries 12 cases annually.
Professional Affiliations
- Macomb County Bar Association
- State Bar of Michigan (Workers’ Compensation Section)
- The Michigan Self-insured Association
- American Bar Association (Workers’ Compensation Section)
- American Inn of Court
Fraternities
- Sigma Chi Fraternity
- Delta Theta Phi Law Fraternity





