Sarah Horstmann is a partner in Maslon's Litigation Group. She represents clients in complex litigation matters, including business torts and contract disputes, with a particular emphasis on covenant-not-to-compete and trade secret litigation. She also has experience defending clients on product liability claims.

Sarah is dedicated to pro bono service and has been recognized as a North Star Lawyer by the Minnesota State Bar Association for her contributions, which include representing clients in unemployment insurance appeals through the Minnesota State Bar Association's Appellate Practice Section.

Sarah is a magna cum laude graduate of the University of Minnesota Law School, where she was a staff member and editor of the Minnesota Journal of International Law. She earned her bachelor's degree with honors in international studies from Kenyon College in Gambier, Ohio.

Selected Experience

Unfair Competition, Trade Secrets, and Employment Litigation

  • Medtronic, Inc. v. Doerr, et al., No. 02-CV-13-4759, 2015 Minn. App. Unpub. LEXIS 137 (Minn. Ct. App. Feb. 9, 2015). Won appeal affirming preliminary injunction against two former employees of client for violating non-compete and confidentiality provisions of their employment agreements.
  • C.H. Robinson Worldwide, Inc. v. Lobrano, 695 F. 3d 758 (8th Cir. 2012). Obtained dismissal of lawsuit as barred by prior judgment.
  • Represented corporation in lawsuit brought by former CEO asserting breach of employment agreement and violations of Minnesota wage-related statutes.
  • Represented corporations in successful appeals to Minnesota Court of Appeals regarding application of Minnesota's unemployment compensation statutes.
  • Represented client in defamation action arising from online reviews posted by a competitor.

General Business Litigation

  • Varga v. U.S. Bank N.A., 2013 U.S. Dist. LEXIS 92729 (D. Minn. July 2, 2013). Obtained dismissal of multimillion-dollar business tort claims brought by receiver of Cayman Islands hedge funds.
  • Represented Minnesota company in contract dispute arising from the sale of its flour milling operations to Japanese company.
  • Represented Midwest-based company in contract dispute with international trading partner in China.

Product Liability Litigation

  • Represented major medical device company in nationwide litigation arising from voluntary product recall.
  • Defended putative nationwide class action alleging warranty and consumer fraud claims related to snowmobile engines.

Professional Activities

Minnesota State Bar Association
Hennepin County Bar Association


Recognized on Minnesota Rising Stars list as part of the Super Lawyers® selection process, 2017 (Minnesota Rising Stars is a designation given to only 2.5 percent of Minnesota attorneys each year, based on a selection process that includes the recommendation of peers in the legal profession.)

North Star Lawyer, Minnesota State Bar Association, 2012-2013 (North Star Lawyer is a designation that recognizes members who provide 50 hours or more of pro bono legal services in a calendar year.)

p 612.672.8359   f 612.642.8359
3300 Wells Fargo Center, 90 South Seventh Street
Minneapolis, MN 55402
Bar Admissions
Minnesota, 2007
U.S. District Court
  • Minnesota, 2007
U.S. Court of Appeals
  • Eighth Circuit, 2012
University of Minnesota Law School
J.D., magna cum laude, 2007
Kenyon College
B.A., with honors, 1999
Honors: Phi Beta Kappa
Major: International Studies


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