Nicholas K. Tygesson | People

Overview

Nick is trial and appellate lawyer committed to helping his clients navigate their most complex litigation matters.

Nick’s practice focuses on securities and shareholder litigation, class action defense, and other complex commercial litigation. He has represented individual and corporate clients in federal and state courts across the country and has broad litigation experience, including drafting dispositive motions and appellate briefs, taking and defending depositions, working with expert witnesses, managing electronic discovery, and taking cases to trial.

Prior to joining Dorsey, Nick practiced at a large law firm in Chicago and served as a law clerk to the Honorable Diane S. Sykes of the United States Court of Appeals for the Seventh Circuit.

Education & Admissions

Northwestern University Pritzker School of Law (J.D., 2013), magna cum laude; Order of the Coif; Northwestern University Law Review; William Jennings Bryan Award (winner of intramural moot court)

Northwestern University (B.A., 2007), magna cum laude; Phi Beta Kappa; history department honors

Admissions

Illinois
Minnesota

U.S. District Court for the District of Minnesota
U.S. Tax Court
U.S. Court of Appeals for the Seventh Circuit
U.S. Court of Appeals for the Eleventh Circuit
U.S. District Court for the Northern District of Illinois
U.S. District Court for the Eastern District of Michigan

Clerkships

U.S. Court of Appeals for the Seventh Circuit, Honorable Diane S. Sykes, 2013-2014

Experience

Representative Matters

Representation of the board of directors of a Fortune 500 company in defense of shareholder derivative litigation. Dismissal affirmed on appeal.
Representation of former CEO in defense of federal securities litigation. Dismissal affirmed on appeal.
Representation of producer of specialty chemical products in defense of federal securities litigation. Motion to dismiss granted.
Representation of money transfer company and executive officers in defense of federal securities litigation. Case dismissed.
Representation of major accounting firm in defense of federal securities litigation. Case settled during pre-trial motions.
Representation of major accounting firm in defense of professional negligence and consumer fraud claims. Case settled on the eve of trial.
Representation of title insurance company in a putative class action. Denial of class certification affirmed on appeal.

*These matters were handled prior to joining Dorsey.

News & Resources

Articles

Supreme Court Holds that Pure Omissions are Not Actionable under Rule 10b-5

April 18, 2024

News & Press Mentions

201 Dorsey Lawyers Recognized in 2025 Best Lawyers in America, Lawyers of the Year, and Ones to Watch

August 15, 2024

Dorsey & Whitney Names 10 New Partners

November 15, 2022

Legal Writings

Co-Author, “Section 11 Damages and Stock-For-Stock Acquisitions: Legal and Economic Considerations,” Bloomberg Law (October 2019)
Note, “Cracking Open the Classroom Door: Developing a First Amendment Standard for Curricular Speech,” 107 Nw. U. L. Rev. 1917 (2013)

Industries & Practices

Appellate

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Class Action Litigation

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Commercial Litigation

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Securities & Financial Services Litigation & Enforcement

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Appellate
Class Action Litigation
Commercial Litigation
Securities & Financial Services Litigation & Enforcement

Accolades

Pro Bono 100 Hours 2022

Named "Minneapolis Ones to Watch" in Commercial Litigation by Best Lawyers^®, 2021-2025

MSBA North Star Lawyer, 2022-2023
Contributed more than 100+ Challenge pro bono hours, 2022
Named by Leading Lawyers as an Emerging Lawyer in the area of Commercial Litigation, 2017
Member of team awarded the 2019 Public Counsel Pro Bono Award in connection with representation of a class of parents forcibly separated from their children due to the government’s family separation policy, 2017
Received Thomas H. Morsch Award for excellence in pro bono service, 2020
Public Interest Law Initiative (PILI) Fellow at the Center for Disability and Elder Law, 2013