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John Um has broad experience in all aspects of advertising and marketing law in both traditional and new media. He advises clients on compliance with a wide range of laws including CAN-SPAM, COPPA, Child Protection Registries, the Telemarketing Sales Rule (and “Do Not Call” compliance), Section 5 of the FTC Act and similar state laws, and industry-specific guidelines, such as those of the Mobile Marketing Association.

John also provides counsel on legal issues associated with consumer privacy, search engine marketing, affiliate networks, data collection and sharing, list management, advertising-supported content, behavioral targeting, intellectual property/brand protection, user generated content, sweepstakes and promotions, and regulatory investigations and inquiries. 

  • Navigating the Mobile Landscape: From Mobile Marketing to Mobile Commerce
  • Loeb & Loeb LLP Presents an Advanced Media and Technology Group Webinar: Online Behavioral Advertising


  • Albany Law School, J.D.
  • State University of New York at Binghamton, History, B.A., with Honors

Court Admissions

  • U.S. District Court for the Eastern District of New York
  • U.S. District Court for the Southern District of New York

Bar Admissions

  • New York


  • Certified Information Privacy Professional by the International Association of Privacy Professionals
  • Member, Association of the Bar of the City of New York