MJB Law / Minnesota
Banking.
Business.
Litigation.
MJB Law is a boutique law firm based in Minneapolis. We represent Minnesota businesses, owners and financial institutions in business and commercial litigation, banking matters, business transactions and bankruptcy.
A law firm. Evolved.
When the path forward is anything but standard
Many of our engagements arise when standard legal paths won’t achieve a practical result. We build tailored strategies that bring together litigation, negotiation and financial insight.
Our work is defined by precision and pace. We identify the issues that matter and act with the speed and clarity that complex disputes and financial matters demand.
We also serve as Minnesota local counsel for out-of-state businesses and law firms in state and federal court litigation.
Recognized by Minnesota Lawyer among its 2026 Up & Coming Law Firms.
Our people
Experience at the table
Our practice
Complex matters. Clear focus
Business & commercial litigation
Business and commercial litigation for Minnesota companies, owners and financial institutions, including contract, ownership and financial disputes. The practice also includes construction and real estate disputes, agricultural litigation, and First Amendment and privacy matters.
Explore business & commercial litigationBanking & creditors’ rights
Counsel for financial institutions navigating troubled credits, borrower misconduct, loan workouts and recovery. Our experience also includes agricultural finance.
Explore the practiceBusiness counsel & transactions
James Magnuson advises businesses on commercial contracts, ownership arrangements, transactions and ongoing legal needs. Our work includes outside general counsel for companies seeking a continuing relationship.
Explore business counselBankruptcy & restructuring
Karl Johnson is one of only three attorneys in Minnesota certified as a Business Bankruptcy Specialist by the American Board of Certification. He handles business reorganizations, individual bankruptcies and contested proceedings.
Explore the practiceFraudulent transfers & asset recovery
Investigating diverted funds, fraudulent transfers and concealed assets. We connect the evidence to claims against borrowers, guarantors, insiders and recipients of transferred property, with a focus on practical recovery.
Explore the practiceFirst Amendment & privacy
Representation in disputes involving speech, privacy, publication and social media. We evaluate the legal claims, the public record and the practical stakes when personal expression becomes litigation.
Explore the practiceAI law, regulatory compliance & litigation
Legal counsel for banks and businesses on AI-related decisions, confidential information, vendor agreements, internal policies and disputes.
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Case result · September 17, 2026
Dismissal secured for Haley Kalil
MJB Law secured dismissal with prejudice of all claims against Haley Kalil. The September 17, 2026 ruling addresses privacy, social media and the right to discuss one’s own life.
Read the case resultWebinar · January 28, 2027
When AI Becomes Exhibit A
Matthew Bialick's Minnesota Bankers Association program examines AI legal risks, regulatory concerns and litigation evidence affecting banks.
Explore the seminar