Michael J. Sullivan

P: 248-351-5413
F: 248-351-5430


Mike puts his more than 35 years of litigation experience to work for his clients every day. He has spent his entire career at Collins Einhorn, joining the firm the day after graduating from law school in May of 1983. In that time, he has become an accomplished professional and product liability litigator, and recently completed ten years as President of the firm. In the professional liability arena, he has represented attorneys, accountants, physicians, architects, engineers, real estate appraisers, real estate brokers, and title agents. Mike also has substantial experience in product liability litigation, representing door and tool manufacturers, as well as makers of consumer goods and recreational products. Mike also maintains an active general litigation practice, including insurance disputes, and personal injury defense. Mike has a successful track record as a trial lawyer, including literally hundreds of defense outcomes and verdicts on behalf of his clients.

Mike’s expertise has been recognized by his peers. On seven occasions, Mike has been recognized by Best Lawyers as the Detroit area Lawyer of the Year in Legal Malpractice Law and Professional Malpractice Law. Also, on five occasions, Mike has been listed as one of the top 100 Super Lawyers in the State of Michigan. Michigan Lawyers Weekly also honored Mike as a Leader in the Law in 2013.

Long active in service to the profession, Mike is a past president of both the Oakland County Bar Association (2007-2008), and the Oakland County Bar Foundation, (2009-2010). He is also a past chair (2017-2018) of the Negligence Section of the State Bar of Michigan. His service to the profession is not limited to the state of Michigan. Mike is also a member of the International Association of Defense Counsel (IADC), and for several years was the chair of the organization’s annual Professional Liability Roundtable. In 2019, Mike’s service to the Bar and the profession earned him recognition as the recipient of the Kimberly M. Cahill Bar Leadership Award. Most recently, Mike’s dedication to his clients earned the firm’s recognition as the Liberty Mutual Insurance “Outside Counsel of the Year Award.” 


Professional Liability
Product Liability

General Civil Litigation


University of Detroit School of Law
(J.D. 1983)

University of Notre Dame
(B.A. 1980)


State Bar of Michigan
U.S. Court of Appeals, Sixth Circuit
U.S. District Court, Eastern District of Michigan
U.S. District Court, Western District of Michigan


Kimberly M. Cahill Bar Leadership Award Recipient

Best Lawyers® “Lawyer of the Year” (Metro Detroit)
—- Legal Malpractice Law – Defendants
—– (2012, 2014, 2018)
—- Professional Malpractice Law – Defendants
—– (2011, 2013, 2017,2020)

Best Lawyers of America®
—- Legal Malpractice Law – Defendants
—– (2010-2020)
—- Professional Malpractice Law – Defendants
—– (2010-2020)
—- Product Liability Litigation – Defendants
—– (2018-2020)

Super Lawyers™
—- Professional Liability (2006-2019)
—- Top 50 Michigan Business (2018)
—- Top 100 Michigan (2009-2011, 2018,2019)

DBusiness® Top Lawyer
—- Professional Malpractice Law
—– (2011-2013, 2015-2018, 2020)
—- Legal Malpractice Law
—– (2011-2013, 2015, 2018, 2020)
—- Professional Liability (2010)
     – Product Liability (2020)

“Leaders in the Law” Award, Michigan Lawyers Weekly (2013)

Martindale-Hubbell® AV Preeminent Rated
(5.0 out of 5.0)

Served as neutral arbitrator for the National Association of Security Dealers



State Bar of Michigan
— –– Negligence Section (Chairman)
Oakland County Bar Association
— –Past Director; Past Officer; Past President (2007-2008)
Oakland County Bar Foundation (Board of Directors)
— –– Past President (2009-2010)
Oakland County Bar Foundation (Fellow)
Michigan State Bar Foundation (Fellow)
Professional Liability Underwriting Society
International Association of Defense Counsel
— –– Professional Liability Committee
Court appointed facilitator and mediator


Legal Malpractice Report, Michigan Defense Quarterly (January 2010-Present)