Andrew P.Leiendecker


Minneapolis + 1.612.217.8925

Andrew Leiendecker represents clients in complex commercial litigation matters in federal and state courts. Andrew represents and counsels clients in a variety of industries and proceedings, including business torts, contractual disputes, investigations, and civil and criminal appeals. His practice involves many aspects of litigation, and he has drafted numerous dispositive motions and briefs at the district and appellate levels.

Andrew maintains an active pro bono practice, primarily focusing on appellate representation in federal and state courts. He is also an adjunct professor at the University of Minnesota Law School, where he teaches the National Moot Court program, and in 2020 received the Stanley V. Kinyon Adjunct Teacher of the Year Award.

Andrew served as a law clerk at the Minnesota Supreme Court prior to joining Jones Day and is a board member of the Minnesota Supreme Court Historical Society.


  • Pro bono client scores victory before Eighth Circuit on BIA's improper review of Convention Against Torture claimOn April 3, 2020, Jones Day achieved a victory before the Eighth Circuit in an immigration case.
  • U.S. Steel defeats trespass litigation relating to Minnesota iron mining operationsJones Day successfully defended United States Steel Corporation against a lawsuit brought by a mineral rights owner alleging trespass and nuisance claims relating to U.S. Steel's mining operations along the Iron Range in northern Minnesota.
  • Mayo Clinic qualifies as educational organization, obtains $11.5 million in tax refundsJones Day won summary judgment for Mayo Clinic in a lawsuit against the United States of America, wherein Mayo Clinic argued that it was exempt from certain income tax on income it received from partnerships because it is an "educational organization."
  • Patterson Dental Supply faces contract dispute over its dental practice management softwareJones Day is defending Patterson Dental Supply, Inc. against allegations by Demandforce, Inc. and Sesame Communications, Inc. that Patterson committed tortious interference and trade libel when Patterson informed its customers that it had terminated contracts with Sesame and Demandforce that had allowed those companies to interface with Patterson's dental practice management software.
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