(CHICAGO) Katten announced today that eight attorneys and four practice areas were recognized in the 2026 edition of World Trademark Review (WTR) 1000: the World’s Leading Trademark Professionals. WTR 1000 identifies the top trademark professionals in key jurisdictions around the globe.
In its report on the rankings, WTR 1000 noted that Katten "delivers tailored protection and enforcement strategies" and that "its lawyers immerse themselves in business operations, structuring deals and negotiations that respond to market pressures and align with overarching brand ambitions." The firm was also commended for its ability to "deliver focused counsel backed by deep commercial insight and sector-specific rigour."
Katten was ranked in the following practice areas:
- Enforcement and Litigation — National
- Enforcement and Litigation — Illinois
- Prosecution and Strategy — National
- Prosecution and Strategy — New York
The Katten attorneys individually recognized are:
- Kristin J. Achterhof — Enforcement and Litigation
- Karen Artz Ash — Prosecution and Strategy
- Bret J. Danow — Prosecution and Strategy
- David Halberstadter — Enforcement and Litigation
- Jessica G. Kraver — Prosecution and Strategy
- Floyd A. Mandell — Enforcement and Litigation
- Carolyn M. Passen — Enforcement and Litigation
- Nathan Smith — Prosecution and Strategy
Katten's Intellectual Property attorneys evaluate thousands of trademark searches each year to protect clients' marks against threats worldwide while providing counsel on evolving trademark registration and pre-litigation issues. From the protection of product launches to defense against infringement claims, the Katten team resolves trademark disputes and suits related to deceptive trade practices, fair use or infringement, First Amendment rights, Lanham Act, service marks, unfair competition and more.
World Trademark Review undertakes exhaustive qualitative research, identifying top firms and individuals based on their depth of expertise, market presence and sophistication of work. The research process includes conducting in-person, telephone and video interviews, gathering submissions from firms detailing recent activity in their trademark practices.
