Managing Partner of Frankfurt Kurnit since 2010, Jeffrey A. Greenbaum is one of the leading advertising lawyers in the United States. He is a partner in the firm's Advertising, Marketing & Public Relations Group and has extensive experience representing advertisers, advertising agencies, and social media and other online platforms on advertising and intellectual property matters. Best Lawyers in America has named him “Advertising Lawyer of the Year” for the New York metro-area three times and The Legal 500 has named him to its “Hall of Fame.”

Mr. Greenbaum has also served as Chairman of the Global Advertising Lawyers Alliance since 2014. 

Mr. Greenbaum is also Vice-Chair of the International Chamber of Commerce Global Marketing & Advertising Commission. He is also a member of the Board of the International Advertising Association and is the Chair of the IAA’s Public Policy Council.  In addition, he serves on the Board of IAA North America.  He is also a member of the Advisory Council for the Institute for Advertising Ethics. 

He has previously served as Chairman of the Committee on Consumer Affairs of the New York City Bar.  He has also served as a Director and Secretary of the Brand Activation Association and served as Co-Chairman of the Brand Activation Association’s law conference. He also twice served as Chairman of the jury for the International Council for Advertising Self-Regulation’s Global ICAS Awards.

Mr. Greenbaum has been recognized for many years as a leading advertising lawyer by Best Lawyers in America, Chambers USA America's Leading Lawyers for Business, The Legal 500, Super Lawyers, and Who’s Who Legal. In addition to “Advertising Lawyer of the Year” honors, he has been named “Copyright Lawyer of the Year” for the New York metro-area by Best Lawyers in America. He also received the International Advertising Association North Star “Global Champion” medal and the Brand Activation Association’s Beacon Award.

Mr. Greenbaum is a frequent speaker on advertising issues in the United States and around the world. He has spoken at several Federal Trade Commission workshops, including “Talking Trash at the FTC: Recycling Claims and the Green Guides” and “Protecting Kids’ Privacy Online.”  He has spoken at the Senate of the Republic in Mexico on social media and artificial intelligence issues. He has also spoken at conferences and programs sponsored by the National Advertising Division, the Association of National Advertisers, the International Council for Advertising Self-Regulation, the International Advertising Association, and many others. 

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From the Blog

FDIC Proposes to Ease Its Signage Rules

August 21, 2025 | Jeffrey A Greenbaum

FDIC Proposes to Ease Its Signage Rules

August 21, 2025 | Jeffrey A Greenbaum

How Do You Promote That Your Product Doesn't Have "Forever Chemicals"?

August 19, 2025 | Jeffrey A Greenbaum

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