Wisconsin law
Intellectual Property Laws in Wisconsin.
Core intellectual-property rights — patents, federal trademarks, and copyrights — are governed by federal law and are enforced exclusively (patents and copyrights) or primarily (federal trademarks) in federal court. Patent and copyright claims for Wisconsin-centered disputes are filed in the U.S. District Court for the Western or Eastern District of Wisconsin. Wisconsin state law adds the Uniform Trade Secrets Act (Wis. Stat. § 134.90) and state-level trademark registration (Wis. Stat. ch. 132). Wisconsin is home to major research universities (UW-Madison, Marquette) and a substantial manufacturing-IP practice.
Last verified: 2026-04-20
State law
Key Wisconsin Statutes
Wisconsin's enactment of the Uniform Trade Secrets Act — the principal state-law basis for trade-secret misappropriation claims, often paired with restrictive-covenant analysis under Wis. Stat. § 103.465.
Wisconsin's distinctive noncompete statute — noncompete covenants must be "reasonably necessary" for protection; unreasonable provisions are void and the remainder of the covenant is also unenforceable (no blue-pencil rewriting).
State-level trademark registration available through the Wisconsin Department of Financial Institutions.
State law
Official Sources
Not Legal Advice
This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Wisconsin.
Next step
Move from state law into guided help or attorney search.
If you want help applying this information to your situation, start with guided help or browse attorneys for this issue in Wisconsin.
More in Wisconsin
Other state law topics.
Personal Injury Laws·Criminal Defense Laws·Family Laws·Immigration Laws·Employment Laws·Bankruptcy Laws·Medical Malpractice Laws·Workers' Compensation Laws·Social Security Disability Laws·Wrongful Death Laws·Product Liability Laws·Long-Term Disability & ERISA Laws·Estate Planning Laws·Probate Laws·Real Estate Laws·Landlord & Tenant Laws·Business Laws·Tax Laws·Elder Laws·Nursing Home Abuse & Neglect Laws·Civil Rights Laws·Domestic Violence Laws·Veterans Legal Services Laws·Healthcare & Benefits Laws·Construction Defect Laws·Insurance Disputes Laws·Premises Liability Laws·Commercial Litigation Laws·Environmental Laws·Securities & Finance Laws·Municipal Laws·Administrative Laws