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Daniel Flaherty

Daniel T. Flaherty

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  • Admissions, Activities & Honors
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Daniel Flaherty

Dan Flaherty is an experienced trial lawyer and member of the Litigation Practice Group. His practice focuses on complex business litigation. Prior to joining the Firm, Dan was a Federal Prosecutor in the United States Department of Justice, United States Attorney's Office, Eastern District of Wisconsin where he specialized in financial institution fraud investigations and prosecutions. While a Federal Prosecutor, Dan served as the lead prosecutor on many significant white-collar fraud prosecutions including bank fraud, wire fraud and tax prosecutions. Prior to serving in the U.S. Attorney’s Office, he practiced in the Washington, D.C. office of a national law firm.

Dan’s civil and criminal litigation experience includes antitrust, complex corporate disputes, environmental, financial institutions, health care, intellectual property, internal corporate (including Sarbanes-Oxley) investigations, special committee representations, compliance counseling, securities and tax litigation. Dan’s practice includes trial work in state and federal courts, arbitration and mediation.  Dan has been lead trial counsel in more than fifty jury trials in courts throughout the United States.

Admitted To Practice

Washington, D.C. - 1988

Wisconsin - 1986

Illinois - 1986

Court Admissions

United States Court of Appeals, Seventh Circuit
United States District Court, Eastern District of Wisconsin
United States District Court, Western District of Wisconsin
Wisconsin Supreme Court


Recognized by Chambers USA (General Commercial Litigation, 2008 – present)

Listed in Best Lawyers (Commercial Litigation, Criminal Defense:  White-Collar, Litigation - Intellectual Property, Litigation - Mergers & Acquisitions, Litigation - Regulatory Enforcement (SEC, Telecom, Energy) 2007 – present

Recognized as a Wisconsin Super Lawyer (2005 - present)

Recognized by Benchmark Litigation as a Local Litigation Star (Antitrust, General Commercial, Products Liability, Securities and White Collar Crime, 2012 - present)

AV Preeminent® Peer Review Rated by Martindale-Hubbell®

Appointed by the Chief Judge of the Eastern District of Wisconsin in 2013, 2014, 2016 and 2018 to Chair the Magistrate Judge Merit Selection Panel for the U.S. District Court for the Eastern District of Wisconsin.

Appointed by the Chief Judges of the Eastern and Western Districts of Wisconsin to serve as a Director of the Federal Defender Services of Wisconsin (2007-2018).

Dan is a Past-President and Founding Board Member of The Eastern District of Wisconsin Bar Association.

News & Publications

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Juris Doctor, University of Wisconsin Law School, 1986

Bachelor of Arts, Williams College, Political Science and Russian area studies

100 West Lawrence Street
Appleton, WI
Green Bay
200 South Washington Street
Suite 100
Green Bay, WI
833 East Michigan Street
Suite 1800
Milwaukee, WI
Susan Garrow
Tammy Raymond

Chambers 2018

Best Lawyers 2019

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