Katherine Barrett Wiik

Katherine Barrett Wiik

Partner

Contact Info

Phone: (612) 225-2621

Primary Office

Minneapolis
33 South Sixth Street
Suite 4750
Minneapolis, MN 55402

Katherine Barrett Wiik

Partner

Katherine Barrett Wiik

Katherine "Katie" Barrett Wiik is a litigator with extensive experience handling federal and state appellate matters and complex employment and financial disputes, particularly for clients in the insurance and health care industries. Katie has more than 15 years of experience serving as lead attorney in dozens of appeals and securing favorable outcomes for clients in cases before the Sixth, Eighth, and Ninth Circuits, the Minnesota Supreme Court, and the Minnesota Court of Appeals. In addition to her courtroom work, Katie capitalizes on her strong writing skills to resolve matters by way of strategic motions.

On the civil litigation side of her practice, Katie represents clients in disputes involving breach of contract as well as non-compete agreements and other employment issues. She also handles business torts and cases involving securities fraud, breach of fiduciary duty and other types of financial litigation. Katie also draws on her appellate experience to monitor trial court proceedings to ensure that issues are adequately preserved for potential appeals.

Katie is driven by a passion for equal access to justice, and she is particularly committed to initiatives that support diversity, equity and inclusion in the legal profession and community. She handles pro bono cases involving transgender rights, reproductive rights, and other forms of discrimination, and serves as appellate counsel to non-profits representing survivors of sexual and domestic violence. Before earning her J.D. from Harvard Law School, Katie studied at Queen’s University in Belfast, Ireland as a British Marshall Scholar, where she earned a master’s degree in comparative ethnic conflict and an L.L.M. in human rights law. 

Experience

Appellate Litigation
Successfully defended a jury verdict in two Ninth Circuit antitrust appeals for a major retail client, as well as the district court’s award of attorneys’ fees and costs.
Obtained a reversal of summary judgment in a Sixth Circuit appeal, allowing the technology company client’s breach of contract and unjust enrichment claims to proceed against a major electronics manufacturer.
Obtained a decision from the Eighth Circuit vacating a judgment of dismissal in favor of several institutional investors in an ERISA breach of fiduciary duty case against a major bank’s securities lending program.
Represented a qui tam plaintiff in the first Minnesota Supreme Court case to interpret the Minnesota False Claims Act.
Briefed and argued appeals on behalf of a major manufacturing company and a regional business chambers challenging the Minneapolis sick and safe time and minimum wage ordinances on extraterritoriality and preemption grounds.
Obtained a decision from the Eighth Circuit reversing a grant of summary judgment in an employment classification class action regarding whether truck operators are independent contractors or employees under Missouri law.
Part of an appellate team that obtained a reversal and remand from the Eighth Circuit of a medical device multi-district litigation (MDL) relating to admissibility of expert witness testimony.
Primary author of briefing in a Sixth Circuit appeal, which resulted in the affirmance of the district court’s dismissal of a trade secrets case.
Lead appellate counsel in several high-stakes Minnesota family law disputes, involving antenuptial agreements, spousal maintenance, and legal name changes for minor children.
Civil Litigation
Briefed, argued, and won a motion regarding injunctive relief in a non-compete litigation matter for a major medical device manufacturer.
Successfully pursued securities fraud claims on behalf of an institutional investor against investment banks and rating agencies relating to mortgage-backed securities.
Successfully litigated and resolved a breach of contract case in the health care waste industry.

Credentials and Accolades

Honors and Awards

 Named a North Star Lawyer for pro bono service, Minnesota State Bar Association

 Selected for inclusion in Minnesota Super Lawyers for Appellate Law, 2019 to present

Named one of "America's Leading Lawyers for Appellate Law" by Chambers USA, 2020 to present

Named an Up and Coming Appellate Lawyer by Chambers USA, 2019

Memberships and Affiliations

Minnesota Commission on Judicial Selection, At-Large Commissioner  

Minnesota State Bar Association

  • Appellate Practice Section Member and past Section Chair, 2018 to 2019
  • Civil Litigation Section Member

Federal Bar Association, Minnesota Chapter

  • Executive Board Member, 2018 to present
  • President-Elect, 2022 to 2023

Eighth Circuit Bar Association, Education Committee and past Board Member

Minnesota Supreme Court Historical Society, Board Member

American Bar Association, Past Executive Board Member, Council of Appellate Lawyers, 2018 to 2021

The Infinity Project, Board Member

Our Justice, Board Member Emeritus 

White Bear Unitarian Universalist Church, Member

Education

J.D., Harvard Law School, 2005

L.L.M. with Honors in Human Rights Law, Queen’s University Belfast, 2002

M.A. with Merit in Comparative Ethnic Conflict, Queen’s University Belfast, 2001

 B.A., summa cum laude, Macalester College, 2000

Bar Admissions

Minnesota
New York

Clerkships

Judge Karen Nelson Moore, U.S. Court of Appeals for the Sixth Circuit

Katherine "Katie" Barrett Wiik is a litigator with extensive experience handling federal and state appellate matters and complex employment and financial disputes, particularly for clients in the insurance and health care industries. Katie has more than 15 years of experience serving as lead attorney in dozens of appeals and securing favorable outcomes for clients in cases before the Sixth, Eighth, and Ninth Circuits, the Minnesota Supreme Court, and the Minnesota Court of Appeals. In addition to her courtroom work, Katie capitalizes on her strong writing skills to resolve matters by way of strategic motions.

On the civil litigation side of her practice, Katie represents clients in disputes involving breach of contract as well as non-compete agreements and other employment issues. She also handles business torts and cases involving securities fraud, breach of fiduciary duty and other types of financial litigation. Katie also draws on her appellate experience to monitor trial court proceedings to ensure that issues are adequately preserved for potential appeals.

Katie is driven by a passion for equal access to justice, and she is particularly committed to initiatives that support diversity, equity and inclusion in the legal profession and community. She handles pro bono cases involving transgender rights, reproductive rights, and other forms of discrimination, and serves as appellate counsel to non-profits representing survivors of sexual and domestic violence. Before earning her J.D. from Harvard Law School, Katie studied at Queen’s University in Belfast, Ireland as a British Marshall Scholar, where she earned a master’s degree in comparative ethnic conflict and an L.L.M. in human rights law.