Mary Kate Brennan focuses on trademark, false advertising, and copyright litigation for a wide variety of clients and industries, including fashion, consumer goods, and media. In addition to handling matters before state and federal courts and the Trademark Trial and Appeal Board (TTAB) of the U.S. Patent and Trademark Office (USPTO), she has extensive experience planning and executing multijurisdictional litigation strategies on a global scale.
Mary Kate has accrued significant courtroom experience through both government service and private practice, handling matters from inception through trial and appeal. She has first-chaired trials, prepared and argued dozens of motions, taken and defended depositions, and managed substantial discovery projects.
International anticounterfeiting work is also a practice focus. Mary Kate protects brands through coordinated litigation, both civil and criminal; supply chain analysis; asset-tracing; and client counselling on critical intellectual property enforcement issues.
Mary Kate regularly volunteers at the Fashion Law Institute’s Pop-Up Clinics, where she provides pro bono assistance to designers and fashion industry professionals. She also guest lectures on fashion law at LIM College in New York City.
