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About Me

Mary Pat Rosen has been associated with the Charfoos & Christensen Law Firm since January 1988. Ms. Rosen has chosen to concentrate her practice in areas of medical malpractice, automobile negligence and other personal injury areas. Her drive has come from a heartfelt obligation to help right a wrong. During her time with Charfoos & Christensen, Ms. Rosen has participated in resolving several million dollar cases. She along with attorneys Senior Shareholder David Christensen, Sandra Renard, and assistants Cheryl Trojanowski and Elvera Ramirez provide a unique team effort in assisting clients through the litigation process. While earning her law degree, she worked with the Michigan Department of Labors' Commission for Handicapper Concerns and for the Commission for the Blind. Early in her legal career she was highlighted as a Michigan Trial Lawyer Association (now Michigan Association for Justice) Pacesetter. Ms. Rosen is AV rated by Martindale-Hubbell. Ms. Rosen is a prior executive board member of the MAJ, Matrix Human Services and Trustee for the National Fragile X Foundation. Presently, Ms. Rosen is elected to the Cranbrook Kingswoods Board of Governors and chairs the schools' Development Committee.


Photos and Videos

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Practice Areas


  1. Medical Malpractice: 75%
    31 years
  2. Car Accidents: 25%
    31 years



Contingent (25-33%)

Attorney Endorsements

5 total 

  • Ann K. Mandt

    I endorse this lawyer.


    Ann Mandt Health Care Attorney
    Relationship: Co-worker

  • Sandra J. Renard

    I endorse this lawyer.


    Sandra Renard Medical Malpractice Attorney
    Relationship: Co-worker

Contact Info

Charfoos & Christensen PC

26622 Woodward Avenue
Suite 100
Royal Oak, MI, 48067


MIActive And In Good Standing198310/08/2015
AZInactive 201007/16/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
AV Preeminent 5.0 out of 5 Peer Review RatedMartindale-Hubbell2013
2010 Top LawyersdBusiness2010
AV RatedMartindale-HubbellN/A
Work Experience
TitleCompany NameDuration
AttorneyCharfoos & Christensen, PC1988 - Present
Association NamePosition NameDuration
Cranbrook KingswoodChair-Development2010 - 2012
Cranbrook KingswoodBoard of Governors2009 - Present
Cranbrook KingswoodDevelopment2005 - 2012
State of Michigan Bar AssociationN/A1983 - Present
Oakland County Bar AssociationN/AN/A
Legal Cases
Case NameOutcome
Estate of Townsend v Fielek Construction et alVerdict $9.5 million
See all Legal Cases 
School NameMajorDegreeGraduated
Thomas M. Cooley Law SchoolLawJD - Juris DoctorN/A
Michigan State UniversityN/ABS - Bachelor of ScienceN/A
Ypsilanti High SchoolN/AN/AN/A