Kathyleen A. O'Brien


Kathyleen is a partner in the Advertising, Technology and Media and the Intellectual Property Groups. She represents consumer products, media, and entertainment companies in federal and state litigation and enforcement actions, including actions involving false claims advertising, right of privacy and publicity, trademark and copyright infringement actions, consumer class actions involving unfair and deceptive advertising and trade practice claims. She also regularly counsels clients on clearance, branding, advertising and marketing issues, oversees an active trademark and copyright prosecution practice, and conducts compliance programs and employee training in these areas.

Kathyleen has tried cases in both state and federal court. She routinely handles arbitrations, mediations and investigations, and enforcement proceedings, including proceedings before the Federal Trade Commission and the National Advertising Division of the Council of Better Business Bureaus, Inc.

She has lectured and written widely on recent developments in trademark, advertising and class action law. She has served as a speaker at the WLALA's "Class Action Forum," at the American Conference Institute's Conference on "Advertising Law in the Electronic Age" and at the International Trademark Association's "Trademark Dilution Forum" and "False Advertising Forum." She also chaired roundtables on "Comparative Advertising" and "Trademark Infringement Claims in the Fashion Industry" for the International Trademark Association. Her articles on topics ranging from Federal Trade Commission advertising enforcement to avoiding the pitfalls of "green" marketing have appeared in various publications, including the Los Angeles Business Journal, Industry Week, and Apparel Industry Magazine.

Employment History

  • 2008 - Reed Smith
  • 2005 - Morrison & Foerster
  • 1984 - Sheppard, Mullin, Richter & Hampton