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Margaret A. Costello

Margaret A. Costello

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Practice areas:

International Law, Military Law

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Practice Areas

Licensed since 1988

  1. Military Law: 50%
  2. International Law: 50%

Attorney Endorsements

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Contact Info

Dykema Gossett PLLC

400 Renaissance Ctr
Detroit, MI, 48243-1502

University of Detroit Mercy School of Law

651 E Jefferson Ave
Detroit, MI, 48226-4386




MIActive And In Good Standing198808/06/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.

Avvo Contributions

Legal Answers


Award NameGrantorDate Granted
Michigan Super LawyerSuper Lawyers2006
President's AwardDetroit Metropolitan Bar Association2005
John W. Cummiskey Pro Bono AwardState Bar of Michigan2002
Certificate of RecognitionMichigan State University - Detroit College of Law2000
Pro Bono Excellence AwardDetroit Metropolitan Bar Association1998
Toch AwardNational Association of Women Lawyers1997


Association NamePosition NameDuration
Michigan State BarBoard of Commissioners2005 - Present
Detroit Metropolitan Bar Association FoundationBoard of Directors2004 - Present
Detroit Metropolitan Bar AssociationPresident2003 - 2004
American Bar Association, House of DelegatesMember1999 - 2005
Women Lawyers Association of Michigan (WLAM)President1999 - 2000
Michigan State BarRepresentative Assembly1996 - 2002
National Association of Women LawyersRegional Representative1996 - 2004
Detroit Metropolitan Bar AssociationBoard of Directors1995 - 2004
Women Lawyers Association of Michigan (WLAM)Board of Directors1993 - 2001
Michigan Defense Trial CounselMemberN/A
Wolverine Bar AssociationMemberN/A
American Bar Association, Tort Trial and Insurance Practice SectionMemberN/A
American Bar Association, Litigation SectionMemberN/A
American Bar Association, International Law and Practice SectionMemberN/A
Federal Bar Association, Courthouse Tours CommitteeMemberN/A
Federal Bar Association, Pro Bono CommitteeCo-chairN/A
Women Lawyers Association of Michigan (WLAM), Law School Liaison CommitteeMemberN/A
Women Lawyers Association of Michigan (WLAM), Candidate Endorsement CommitteeMemberN/A
State Bar of Michigan, Pro Bono InitiativeCo-chairN/A
Incorporated Society of Irish-American LawyersMemberN/A


Publication NameTitleDate
W.L.F. Legal Backgrounder Vol.22Methodology is the Key to Exclusion of Expert Testimony: Allgood v. General Motors2007
Newsletter of Section of Litigation Comm. on Products Liability Litigation Vol.18 No.1Retaining Diversity Through Mentoring: Theory and Practice2007
After the Accident, ICLEUse of Engineering Experts in the Automobile Accident Case2000
Det. C.L. Rev. Vol.3Women in the Legal Profession: You've Come a Long Way -- Or Have You?1997
Michigan Bar JournalArguing in the Hague1994
Det. C.L. Rev. Vol.2Note, Longstreth v. Gensel: Expanding Liability of the Social Host1986


School NameMajorDegreeGraduated
Pennsylvania State UniversityN/ABS - Bachelor of ScienceN/A
Southern Illinois UniversityN/AMA - MastersN/A
University of MichiganN/AMA - MastersN/A
Detroit College of LawLawJD - Juris DoctorN/A

Speaking Engagements

Conference NameTitleDate
National Business InstituteCivil Trial From Start to Finish: A Practical Approach to Trying A Civil Case in Michigan2006
National Business InstituteHow to Get Your Expert Testimony Admitted Into Evidence, National Business Institute2006
National Business InstituteHow to Litigate Your First Civil Trial in Michigan2005
Network of Trial Law FirmsSecurities Arbitration and Litigation Between Clients and Brokers and Other Investment Professionals2004
National Business InstituteHow to Litigate Your First Civil Trial in Michigan2003
Institute for Paralegal EducationMastering the Trial Notebook in Michigan2003
Auto Tech Quality Audit Division ConferenceISO 9001: 200's...statutory and regulatory requirements2003
National Business InstituteHow to Litigate Your First Civil Trial in Michigan2002

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