FacultyFaculty/Author Profile
Gregory E Karpenko

Gregory E Karpenko

Fredrikson & Byron
Minneapolis, MN, USA

Greg is a skilled litigator and trial lawyer who zealously represents his clients in complex commercial disputes and health care litigation in state and federal courts across the United States.

Greg represents commercial clients in litigation involving contract disputes, business torts, mergers and acquisitions, technology-related claims, and other business disputes. Greg also represents health systems, hospitals, clinics, independent physician groups and individual professionals in medical malpractice cases, professional board proceedings, and commercial and contract disputes.

Clients value Greg as a trusted advisor and advocate who understands their strategic objectives and delivers results that meet their business and professional needs. Greg works collaboratively with clients to develop a shared litigation and trial strategy to successfully resolve disputes at the appropriate stage, from pre-suit negotiations through trial.

Greg is active within Fredrikson and currently serves as the firm’s Recruiting & Hiring Chair. Greg has also served on the firm’s Associate Development Committee and Diversity Committee. Prior to joining Fredrikson, Greg clerked for Judge Richard H. Kyle in the U.S. District Court of Minnesota.



  • Represented Mayo Clinic and its physicians in numerous malpractice cases, trials and commercial disputes.
  • Represented a regional medical center in an arbitration proceeding against one of Minnesota’s largest insurers for improper reimbursement of medical services. Greg obtained an award in excess of $1.4 million.
  • Successfully obtained injunction enforcing physician non-compete on behalf of cardiology group against former employee and competing hospital.
  • Advised and represented health care providers on proceedings with the Minnesota Board of Medical Practice, Minnesota Board of Psychiatry, Minnesota Board of Pharmacy and Minnesota Board of Chiropractic Examiners.
  • Represented and advised multiple health care providers on patient care, risk management and patient data privacy issues.


  • Represented court-appointed receiver in recovery of $12 million for victims of Ponzi scheme operated by Minnesota Print Services, Inc.
  • Obtained $2.2 million trial verdict in breach of contract dispute. At the conclusion of the trial, the court advised the opposing party that if he were to take the stand again, the court would advise him of his rights not to incriminate himself.
  • Represented a provider of steel mill services in a case in which Greg’s client and its former partner sued each other for breach of contract. After a bench trial, the Federal District Court in Baltimore, Maryland, dismissed the partner’s claims and found that Greg’s client suffered several million dollars in damages.
  • Represented a national bank/trustee in a lawsuit brought by the beneficiary of a trust for breach of fiduciary duty. After a trial in state court in North Dakota, the Court entered judgment in favor of the bank and dismissed all claims.
  • Represented a retailer of consumer medical products following their acquisition of a market competitor. In a lawsuit filed in Hennepin County, Greg recovered more than $700,000 for his client based on claims that the seller breached representations and warranties it made during the sale.
  • Represented a technology company in a lawsuit in federal court in San Francisco, California, arising out of a transaction where Greg’s client was negotiating a potential acquisition of a competitor’s assets. When negotiations were terminated, the seller claimed it was entitled to retain the $2,000,000 deposit made by the company. Greg successfully recovered the entire deposit for his client.
  • Represented large commercial lender in fraudulent transfer action brought in federal court in New Jersey. The plaintiff sought $40 million from our client for allegedly participating in scheme to fraudulently transfer assets to avoid payment of a judgment. After obtaining a favorable ruling from the Court, the case was successfully resolved for less than the cost of defense.
  • Represented a private commercial lender in an effort to recover more than $3 million that had been loaned to facilitate an international sale of luxury goods. The borrowers refused to repay the loans, claiming that a manufacturer located in Hong Kong had the funds. Using international discovery under the Hague Convention, we established that the loan proceeds wired by our client to a Hong Kong bank were subsequently funneled back to the borrowers in the United States. The borrowers conceded liability and agreed to repay the loans in full.



  • University of Minnesota, J.D. 1998, magna cum laude
  • Valparaiso University, B.A., Philosophy, 1995, summa cum laude


  • Minnesota, 1998
  • U.S. District Court for the District of Minnesota, 2001
  • U.S. Court of Appeals, Eighth Circuit, 2008
  • U.S. Court of Appeals, Seventh Circuit, 2008
  • U.S. District Court for the Eastern District of Wisconsin, 2007



  • Clerk, Judge Richard H. Kyle, U.S. District Court for the District of Minnesota
  • United States District Court, District of Minnesota, Judicial Reappointment Panel, Chief Magistrate Judge Arthur J. Boylan
  • Member, American Bar Association
  • Member, Minnesota State Bar Association, Civil Litigation Section
  • Member, Hennepin County Bar Association
  • Member, Volunteer Lawyers Network


  • Order of the Coif, Member
  • Minnesota Law Review
  • Minnesota Super Lawyers, Rising Star, 2005-2007
  • Chambers USA: America’s Leading Lawyers for Business, Ranked Attorney
  • BTI Client Service All-Star, 2011


  • Litigation
  • Medical Practices Litigation

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