Knobbe Martens and 11 Partners Recognized Among World’s Leading Trademark Professionals by World Trademark Review

IRVINE, Calif., Feb. 14, 2024 – Knobbe Martens is pleased to announce the firm and 11 of its partners have been recognized in the 2024 edition of World Trademark Review 1000: The World’s Leading Trademark Professionals. In addition to being nationally recognized, the firm again received a “gold” ranking for its trademark prosecution and strategy work, and its trademark enforcement and litigation in California. The guide also honored 11 individual Knobbe Martens partners for their outstanding trademark work and client service.

According to World Trademark Review editors, Knobbe Martens “delivers comprehensive, full-service trademark and brand protection to a varied, industry-ranging clientele.” The firm is also lauded for its “tenacious, no-holds-barred litigation” that “also boasts a deep bench of thoughtful and strategic portfolio managers.”

The partners recognized include:

Rosaleen Chou, honored as one of the “top names on the prosecution side” of the trademark and brand protection practice.

Stacey Halpern, characterized as a “multi-faceted practitioner” with an “encyclopedic knowledge of international portfolio management.”

Catherine Holland, chair of the franchising practice acknowledged for her work on behalf of medical device clients.

Jonathan Hyman, co-chair of the advertising and media practice, recognized as a “hands-on, strategic partner.”

Lauren Keller Katzenellenbogen, co-chair of the trademark litigation practice with two decades of experience litigating “all kinds of IP disputes across an array of industries.”

Hans Mayer, co-chair of the advertising and media practice, recognized for his “comprehensive IP litigation practice.”

Steven Nataupsky, managing partner of Knobbe Martens, described as a “wide-ranging IP practitioner.”

Susan Natland, co-chair of the trademark and brand protection practice group and “a strategic and thoughtful adviser” who served on the USPTO’s Trademark and Public Advisory Committee.

Ali Razai, deemed a “top-notch enforcer” and recognized for his 15 years of litigation experience.

Jeff Van Hoosear, co-chair of the trademark and brand protection practice group who “channels his 30-plus years’ experience in portfolio management into thought leadership and unparalleled client service.”

Lynda Zadra-Symes, co-chair of the trademark litigation practice recognized for her track record of securing positive outcomes for clients.

The firm’s complete profile in the 2023 WTR 1000 guide can be viewed here.

About Knobbe Martens

Knobbe Martens is a highly respected intellectual property law firm, offering legal services in all aspects of intellectual property and technology law. The firm’s litigation group handles cases throughout the U.S. and coordinates strategy for disputes worldwide. Founded in California in 1962, the firm has over 250 lawyers based in offices located in Orange County, Los Angeles, New York, San Diego, San Francisco, Seattle and Washington D.C. Knobbe Martens serves a diverse international client base, from multinational corporations to emerging businesses of all stages. More information about the firm can be found at