Helene D. Jaffe has more than four decades of experience as an antitrust counselor and litigator. She focuses her practice on the transactional, counseling and litigation aspects of antitrust law with an emphasis on mergers and acquisitions, joint ventures, single firm conduct and distribution matters as well as on a company’s pricing, promotional, marketing and advertising practices. She has been involved in many of the major antitrust and advertising cases and transactions that have shaped the law and defined the parameters of doing business in the United States for a host of industries, including chemicals, consumer products, airlines, cosmetics, electronics, health care, media, pharmaceuticals, professional sports, publishing and telecommunications. Helene has handled Lanham Act advertising, trademark and trade dress cases, encompassing injunctions, bench and jury trials. She is frequently ranked among the nation's top antitrust attorneys, including being listed as a National Litigation Star for 2018 in Benchmark Litigation: Guide to America's Leading Litigation Firms and Attorneys. She is active in the community, serving on the Leadership Council for the International Women's Health Coalition, the Board of Literacy Inc., and American Friends Musee d'Orsay. She is also active in Barnard Alumnae affairs. A former Adjunct Professor at New York University School of Law, Helene is a frequent speaker and author on antitrust, merger, advertising and marketing issues.

Prior to founding Law Offices of Helene D. Jaffe LLC, Helene was co-chair of Fox Rothschild's Antitrust Practice Group. She was also co-chair of the Antitrust Group at Weil Gotshal & Manges and later headed the Antitrust Group at Proskauer Rose.

You can download her long-form bio here.

Get in touch

With decades of experience from working in corporate law firms and an agility that is only possible with a targeted focus, Law Offices of Helene D. Jaffe are in an unique position to assist clients seeking seasoned judgment without the costs of a large firm.

set up a consultation ▸

Law Offices of Helene D. Jaffe has been ranked by the U.S. News & World Report Best Law Firms for Antitrust and Advertising Law.