Paul J. Reilly is one of the nation's leading trademark, advertising, and brand protection lawyers. Over the course of his more than 30 years practicing law, Fortune 100 and 500 companies, plus small businesses and individuals, have trusted Paul to protect and strengthen their brands, as well as handle disputes over unfair competitive practices, false advertising and copyrights. Clients rely on Paul not only for his deep experience, but for his meticulous preparation and uncommon command of detail. Known for absorbing and retaining the nuances of every matter he handles; Paul’s rare institutional memory and legal acumen allow him to anticipate issues early and guide clients through complex brand challenges with clarity and confidence.
Paul’s experience unquestionably informs his distinguished litigation practice. Drawing upon strategic foresight and dogged groundwork, Paul often identifies risks and opportunities before they fully emerge, positioning clients several steps ahead in complex disputes. He has represented clients in federal intellectual property disputes across the United States and litigated hundreds of oppositions and cancellation proceedings before the Trademark Trial and Appeal Board and foreign trademark offices. He has designed and led comprehensive brand enforcement strategies, handled unfair competition matters, and false competitive advertising disputes, including, before the National Advertising Division (“NAD”).
Having spent decades immersed in how brands evolve and compete in the marketplace, Paul serves as a critical trusted advisor, offering both legal insight and business practicality on the development, protection, and global management of brands. He leads worldwide trademark portfolio strategy, helping clients maintain brand consistency while navigating international trademark registration, product messaging, and the legal risks that accompany global expansion. Importantly, Paul elevates his practice to the benefit of his clients through mentoring lawyers, partners, associates, trademark specialists, paralegals and staff who provide leverage and support in managing businesses’ valuable brands, goodwill and reputations nationally and internationally.
Paul co-chairs the Baker Botts Branding, Advertising, and Copyright (“BAC”) practice group, a cohesive team of lawyers and professional who partner shoulder to shoulder with clients through a myriad of legal issues facing business today. He is consistently ranked among the top trademark practitioners in the United States, including recognition as a WTR Global Leader (2019–2025), WTR 1000 Gold Band (2017–2025), Lawdragon 500 Leading Litigators in America (2026), World Intellectual Property Review – U.S. (2025), the Lexology Client Choice Award (2016 & 2018), and recommendations in The Legal 500 U.S.(2013).
At its core, Paul views his role as one of stewardship, protecting the brands and intellectual property his clients have built while investing in the success of the lawyers and professionals he mentors on a daily basis.
Mr. Reilly has extensive experience across a broad range of industries such as energy, food and beverage, computers and electronics, telecommunications products and services, toys, footwear, hotel services, financial services, credit card services, jewelry, magazines, hospitality, entertainment, construction, clothing, restaurant services, hair care products, cosmetics, shoes and other services and product industries.
Representations have included:
Recognized as a WTR Global Leader, 2019-2025
Recognized in the WTR 1000-The World's Leading Trademark Professionals, 2015-2025, Gold Band 2017-2025
Named as one of the "500 Leading Litigators in America" by Lawdragon, 2026
Recognized by Lexology in the "Client Choice Awards," 2016 & 2018
Recommended in The Legal 500 U.S., 2013