Mr Thomas Jirgal > Loeb & Loeb LLP > Chicago, United States > Lawyer Profile

Loeb & Loeb LLP
SUITE 2300
United States
Thomas Jirgal photo

Work Department

Advanced Media and Technology


Partner and Co-Chair, Advertising Disputes


Thomas Jirgal is a commercial litigator whose national practice focuses on advertising, intellectual property, and general litigation matters. He co-chairs Loeb & Loeb’s nationally recognized Advertising Disputes practice group and is ranked as one of the top advertising and marketing litigators in the country by Chambers & Partners. 

Thomas has more than twenty years of experience representing clients in the entertainment, communications, consumer goods, personal care, food, automotive, and financial services industries in cases involving false advertising, trademark, copyright, trade secret, corporate espionage, contract, fiduciary duty, defamation, invasion of privacy, employment, civil forfeiture, class action, antitrust and unfair competition claims. He regularly represents clients in state and federal court, in private arbitration, and before the Better Business Bureau’s National Advertising Division where he has served as lead counsel on over 35 cases within the last five years. He also counsels clients on advertising matters, including the substantiation needed for advertising claims, and the management, licensing and protection of intellectual property rights.

The advertising disputes in which Thomas is involved often turn on cutting-edge technological issues, and the effective presentation of complex testing and statistical analysis. As an essential part of his practice, Thomas regularly oversees the design and critique of consumer perception surveys that can be dispositive in an advertising dispute involving implied claims. He is a co-author of A Practical Guide to Comparative Advertising:  Dare to Compare.


University of Illinois College of Law, J.D., magna cum laude
University of Illinois at Urbana-Champaign, B.A.

Lawyer Rankings

United States > Media, technology and telecoms > Advertising and marketing: litigation

Loeb & Loeb LLP has an all-round approach to advertising and marketing, offering assistance during the development, approval and defense of advertising and marketing content, with an emphasis on regulatory matters. David Mallen in New York and Thomas Jirgal in Chicago are the key names in the department; both act as co-chairs and worked as deputy directors at the National Advertising Division and have therefore significant expertise in claims before the NAD, including comparative, environmental, pricing and performance claims, among others. Chicago’s Brian Heidelberger heads the advertising, marketing and promotions group and is known for his activity representing brands and agencies in the marketing of their products and services.