Jennifer Yang

Jennifer Yang is a partner in Proskauer's Litigation Department. She is a skilled commercial litigator specializing in false advertising and other intellectual property disputes, including Lanham Act and consumer class action false advertising litigation, advertising challenges before the National Advertising Division (NAD) and National Advertising Review Board (NARB) as well as trademark, trade secret and copyright litigation. Jen represents clients in a variety of industries, including medical device companies, consumer products companies, cosmetics companies, food and beverage companies, fashion retailers, sports, entertainment and art foundations.

Jen regularly defends clients in threatened and filed consumer class actions. She has successfully helped clients defend cases around the country involving core product performance claims, ingredient claims, slack fill allegations, environmental and other ESG-related claims, pricing disputes, health claims, and allegations of undisclosed PFAS and other contaminants. Jen has extensive experience litigating matters involving foods, drugs, medical devices, dietary supplements and cosmetics, and is proficient on the impact of the regulatory frameworks governing these products on consumer class action defense.

Jen also frequently represents both plaintiffs/challengers and defendants/advertisers in competitor Lanham Act cases and challenges before NAD and NARB. She brings her deep experience in litigation strategy and subject matter expertise to each case to achieve the best possible outcome for her clients.

A core part of Jen’s practice includes counseling clients on advertising and claim substantiation. She leverages her expertise in NAD, regulatory guidance (including the FTC Endorsement Guides, Green Guides and Negative Option Rule), state consumer protection statutes and consumer class action trends to work closely with clients and their marketers to help develop compelling marketing campaigns and messaging while minimizing legal risk. Jen also partners with clients’ R&D teams to help develop robust claim substantiation in accordance with best legal practices, including clinical studies, in vitro testing, sensory studies, home use tests, and consumer and expert surveys.

Jen is a regular speaker at ANA’s Masters of Advertising Law Conference, and is an author and editor of Proskauer’s advertising law blog, Proskauer on Advertising.