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Margaret Costello

Associate Professor of Law

Margaret costello
Contact Info:
Campus: Riverfront Campus
Building: George J. Asher Law Clinic Center
Room: Clinic
Phone: (313) 596-9854
Margaret costello
Areas of Expertise:
Veterans' Legal Issues


  • J.D. Detroit College of Law '88
  • M.A. University of Michigan '77
  • M.A. Southern Illinois University '76
  • B.S. Pennsylvania State University '74


Professor Costello was instrumental in establishing the Veterans Law Clinic at the University of Detroit Mercy Law School, and currently teaches the Clinic.  She also teaches a seminar in Advanced Torts.  An experienced litigator and mediator, she practiced in the Detroit office of the law firm Dykema Gossett for more than 20 years.  She is a past Chair of that firm’s Pro Bono Committee and Diversity Committee.  Ms. Costello focused her practice on litigation and appeals, including product liability, bankruptcy and commercial litigation, and international arbitration.  Also a licensed psychologist, she received her B.S. degree from Penn State University and her J.D. degree, summa cum laude, from Detroit College of Law; she also holds graduate degrees from the University of Michigan and Southern Illinois University.  A frequent lecturer and trainer on topics related to litigation and dispute resolution, Ms. Costello also has been an adjunct professor at Detroit College of Law/Michigan State University College of Law.

Significant Professional Achievements and Awards:

Michigan Super Lawyer (2006, 2007, 2008)

DBusiness Top Lawyer (2009)

Martindale-Hubbell current rating of Preeminent

Past-President Women Lawyers Association of Michigan, Detroit Metropolitan Bar Association and Wayne Center Board of Directors

State Bar of Michigan Board of Commissioners (current)

2005 Detroit Metropolitan Bar Association President’s Award and State Bar of Michigan John W. Cummiskey Award for Pro Bono Service

1998 Detroit Metropolitan Bar Association Pro Bono Excellence Award


Claims Procedures, Right to Appeal, and Representation Before the VA, in “Advising Clients on VA Benefits” (ICLE 4/22/10)

Methodology is the Key to Exclusion of Expert Testimony:  Allgood v. General Motors, W.L.F. Legal Backgrounder Vol. 22 (co-authored with Krista L. Lenart) (2007)

Retaining Diversity Through Mentoring:  Theory and Practice, Newsletter of Section of Litigation Comm. on Products Liability Litigation, Vol. 18(1) (2007)

Trying Your First Case in Michigan, (National Business Institute, 2002)

Basics of Civil Litigation in Michigan for Paralegals and Legal Assistants (Half Moon, L.L.C., 2000)

Use of Engineering Experts in the Automobile Accident Case, in “After the Accident” (ICLE, 2/29/2000)

Women in the Legal Profession:  You’ve Come a Long Way – Or Have You?, 3 DET. C.L. REV. 909 (1997)

Arguing in the Hague (co-authored with Ted T. Amsden), 73 MICH. BAR. JOURN. 1094 (1994)

Note, Longstreth v. Gensel:  Expanding Liability of the Social Host, 2 DET. C.L. REV. 581 (1986)

Courses Taught:

Veterans Law Clinic (5200)

Selected Topics in Torts Seminar (4700)

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