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About me

Jeffrey practices law in the areas of personal injury, wrongful death, medical malpractice, professional malpractice, civil rights law and police misconduct, auto and truck accidents, product liability, premises liability, property damage, and insurance litigation.

A graduate of the William Mitchell College of Law, Jeffrey was admitted to the Minnesota State Bar, and then joined SiebenCarey as an associate attorney. Jeffrey is now a shareholder in the firm, is also admitted in to practice law in Minnesota Federal District Court, 8th Circuit Court of Appeals and the state of Wisconsin. Prior to joining the firm, Jeffrey served as a law clerk to Harry A. Sieben from 1996-1998.

Jeffrey was chosen by Minnesota Lawyer as one of its "2014 Attorneys of the Year". Recipients of the annual Attorneys of the Year award are selected based on leadership in the profession and involvement in major cases. 

Jeffrey has been named a Super Lawyers Honoree every year since 2013 in an annual survey by Super Lawyers. In addition, he was previously named a Rising Star, which asks Minnesota's top lawyers to identify an elite group of emerging lawyers, either under the age of 40 or in practice less that ten years. Jeffrey received the honor of Rising Star from 1999-2012.

Jeffrey has helped recover damages for hundreds of injured people by helping them navigate through the complexities of a personal injury claim. His main objective is to protect his clients' rights in negotiations and, if necessary, through trial and appeal. He and his staff have helped people throughout the state get their lives back on track. His goal is to continue to represent and serve injured persons as their ethical advocate. Jeffrey is a lawyer that is ready to provide you with unparalleled counseling and advocacy.


Languages spoken: Spanish

Practice areas


  1. Litigation: 20%
  2. Defective and Dangerous Products: 20%
  3. Medical Malpractice: 20%
  4. Wrongful Death: 20%
  5. Personal Injury: 20%

Attorney endorsements

1 total 

Are you an attorney? Endorse this lawyer

  • Robert Charles Barnes

    Mr. Montpetit is smart, experienced, and fights for his clients. He is a tough opponent, yet a pleasure to deal with.


    Robert Barnes Litigation Attorney
    Relationship: Opposing Counsel on matter

Contact info

SiebenCarey (Minneapolis)

901 Marquette Ave Ste 500
Minneapolis, MN, 55402-3236


WIGood Standing200503/26/2015
MNAuthorized to practice199907/31/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Attorney of the YearMinnesota Lawyer2014
Rising Star 2004-2012Thomson ReutersN/A
Super Lawyer 2013-2015Thomson ReutersN/A
Association namePosition nameDuration
Minnesota Association for JusticeMemberN/A
Minnesota State Bar AssociationMemberN/A
Hennepin County Bar AssociationMemberN/A
State Bar of WisconsinMemberN/A
American Bar AssociationMemberN/A
American Association for JusticeMemberN/A
Wisconsin Association for JusticeMemberN/A
School nameMajorDegreeGraduated
William Mitchell College of LawLawJD - Juris Doctor1998
Saint John's UniversityN/ABA - Bachelor of Arts1995