Ariel K. Lierz

Overview
Serving clients across a broad spectrum of industries, Ariel Lierz focuses her national practice on high-stakes business and employment litigation, addressing sensitive and often contentious matters with proactive, protective strategies which yield optimal outcomes while preserving reputations. She has extensive experience in complex multiparty, multi-claim disputes in the areas of antifraud, antitrust, breach of contract, indemnification, insurance coverage, insurance defense, and commercial disputes.
Ariel has appeared before state and federal district courts, the American Arbitration Association, and various tribal courts. Notably, she has a background in Federal Indian Law and regularly works to resolve claims brought against Tribal Nations in class action lawsuits and related arbitrations.
In addition to her primary focus areas, Ariel has become increasingly involved in financial services litigation, addressing a wide range of disputes brought by or against financial institutions and servicing agents; and real estate law, specifically property rights litigation, where she works to protect clients’ interests pertaining to ownership, land use, and related contractual conflicts.
Credentials
Education
- William Mitchell College of Law, 2015 (J.D.), summa cum laude
- University of Kansas, 2011 (B.A.)
Court Admissions
- U.S. District Court for the District of Minnesota
- U.S. District Court for the District of Colorado
- Handled a breach of contract action on behalf of a client. Obtained default judgment in favor of client on motion to compel, and was able to pierce corporate veil of defendant.
- Defended employer in a suit brought by competitor alleging breach of contract related to restrictive covenants. Obtained decision from the court denying plaintiff’s motion for a temporary injunction, with the court concluding that plaintiff’s restrictive covenants were overbroad, ambiguous, and unsupported by a legitimate business interest.
- Successfully resolved unpaid commission claims on behalf of a client in Minnesota state court.
- Minnesota Super Lawyers, Rising Stars, 2024-2025
- Minnesota Lawyer, Up & Coming Attorney Award, 2024