Joseph S. Diedrich

Joe focuses his practice on commercial and constitutional litigation and appeals. He regularly advises businesses and nonprofits of all sizes in disputes involving constitutional and statutory issues, contracts, real property, land use, and intellectual property. As an appellate lawyer, Joe has advocated for his clients’ interests through all stages of litigation, including at the U.S. Supreme Court and the Wisconsin Supreme Court. Joe is also a member of firm’s Internet of Things team, and he regularly represents American Indian tribes and tribal members in state and federal courts. Some of Joe’s representative experience includes:

• Achieved total victory on summary judgment for a non-profit professional association defending against allegations of copyright infringement.
• Co-authored an amicus brief before the U.S. Supreme Court in Gill v. Whitford, a redistricting case involving claims of unconstitutional partisan gerrymandering.
• Represented a national outdoor advertising company in a Fifth Amendment constructive takings appeal before the Wisconsin Supreme Court.
• Successfully defended a municipality in a multi-million dollar CERCLA (Superfund) contribution matter related to an environmental clean-up site along the Lake Superior shoreline.
• Represented (pro bono) a transgender inmate in a civil rights lawsuit involving constitutional questions under the Eighth Amendment and the Equal Protection Clause.
• Defended an international IT consulting firm against federal claims under the Computer Fraud and Abuse Act (CFAA) and state claims for trade secret misappropriation and unfair competition.
• Assisted in writing an amicus brief before the U.S. Supreme Court in Murr v. Wisconsin, a case looking at how courts should apply Fifth Amendment regulatory takings law.

Before joining Husch Blackwell, Joe worked as a paralegal and law clerk in another respected Madison law firm. He also previously worked at a local tech startup and as a freelance writer.

Joe graduated summa cum laude from the University of Wisconsin Law School. While in law school, he served as an articles editor of the Wisconsin Law Review, was named to the Dean’s List, and received the Ray and Ethel Brown Award in Legal Writing, the Best Brief Award, the Dean’s Academic Achievement Award, the Duane Mowry Scholarship, and Best Performance Awards in the following courses: Business Organizations, Intellectual Property, Land Use, and Trusts & Estates.