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Katherine Joseph Claffey



One of the newest members to the Groshek Law Firm, Katherine adds to this dynamic team by bringing with her previous experience and commitment to providing her clients with the highest level of legal representation.

Attending the University of Minnesota, Duluth, Katherine was immediately drawn to the field of criminal justice. After obtaining her Bachelor of Arts degree in Criminology from the University of Minnesota, Duluth, Katherine set her mind on becoming an attorney.

Wasting no time, Katherine obtained her law degree from the Mitchell Hamline School of Law. While in law school, Katherine became intrigued with the various aspects of criminal law and the shortcomings of the criminal justice system. She gained valuable knowledge and experience as a certified student attorney at the Anoka Public Defender's Office where she represented clients with misdemeanor and gross misdemeanor offenses. She has also represented  parents in CHIPS matters through the Mitchell Hamline School of Law Child Protection clinic.

Katherine's knowledge and understanding of the criminal justice system is incorporated into her representation, and she as a unique ability and personality that allows her to represent a wide variety of criminal cases ranging from misdemeanor to felony offenses She approaches all cases with an unwavering level of passion and preparation and has dedicated her career to providing her clients with the best legal defense available.

Professional Associations

  • MSBA, Member, 2016 to 2018


  • Mitchell Hamline School of Law, St. Paul, Minnesota
    • J.D. - 2016
  • University of Minnesota Duluth, Duluth, Minnesota
    • B.A. - 2013
    • Major: Criminology

Bar Admissions

  • Minnesota, 2018
Headshot of Katherine Joseph Claffey

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Practice Areas:

  • Criminal Defense 100%

Past Positions

  • The Wolfgram Law Firm, Ltd., Associate Attorney, 2018 to 2018
  • The Wolfgram Law Firm, Ltd., Law Clerk, 2015 to 2018


  • Selected to Minnesota Super Lawyers, Rising Stars, 2022

Why Hire Us?

At Groshek Law PA, each client is viewed as an individual, not a legal problem.


We start with a proactive approach through mutual education.


We expect the unexpected, so we are always prepared.


Our attorneys adhere to the Highest Professional Standard.