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Katherine J. Claffey



Among the experienced attorneys at Groshek Law, Katherine adds to our dynamic team by providing our clients with the highest level of legal representation available.

Focusing her practice on defending clients in stressful circumstances, Katherine's knowledge and understanding of the judicial system, laws, and procedure is second to none. She was recently named a Rising Star Super Lawyer and was recognized for being a top rated criminal defense attorney in Minnesota.

She has a unique ability and personality that allows her to represent a wide variety of criminal cases ranging from misdemeanors to felony offenses. She also offers her expertise in child protection, maltreatment, licensing, and appeal cases. 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.

Before joining Groshek Law, Katherine attended the University of Minnesota, Duluth where she graduated with a Bachelor’s Degree in Criminology. She then attended Mitchell Hamline School of Law in Saint Paul, Minnesota. While in law school, Katherine worked at the Anoka Public Defender’s Office, representing clients with criminal charges. Prior to joining Groshek Law, Katherine worked at a criminal defense firm, where she gained valuable knowledge she incorporates into her practice today.

Katherine uses the Groshek Law Method for each and every case and treats each client with the care and priority they deserve.

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
Katherine J. Claffey, Of Counsel

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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.