Lee J. Eulgen

Lee is an intellectual property litigator and advisor who manages sophisticated portfolios for clients with worldwide operations. His practice includes the full range of intellectual property dispute and transactional matters, with an emphasis on trademark, copyright, trade secret, trade dress, privacy and litigation.

Lee serves as lead counsel before state and federal courts and administrative agencies throughout the country, and he also coordinates efforts to resolve similar international disputes. His practice covers all traditional intellectual property assets, as well as issues such as data ownership and online compliance. He has litigated countless domain name ownership disputes. He is the former Chair of the Domain Disputes Subcommittee of the International Trademark Association’s Internet Committee and was Vice Chair of the International Trademark Association’s U.S. Famous Marks Subcommittee.

He counsels clients concerning strategic facets of global trademark portfolio development, including clearance, prosecution and enforcement matters. Lee also negotiates a wide variety of complex technology and licensing agreements and transactions. As co-chair of the firm’s Hospitality & Leisure practice group, Lee has handled many sophisticated hotel agreements, joint ventures, and other arrangements.

A growing component of Lee’s practice concerns being a strategic counselor to entrepreneurs, high net worth individuals, well-known celebrities and business and political personalities. He advises them regarding crucial business matters and personal affairs, including the pursuit and management of concerns vital to their interests and topics of a sensitive nature.

Lee frequently gives back through pro bono work. He prevailed at trial in a forgery case brought on behalf of an elderly client who had lost title to his home because of a fraudulent deed. In addition, Lee sat on the Board of Directors of the Chicago domestic violence clinic, Pro Bono Advocates, for five years.

Clients appreciate Lee’s commitment to learning the distinctive attributes of their products, services and brands that make them competitive. Lee understands the long-term business considerations that are crucial to his clients’ development and protection. He spends substantial time analyzing his clients’ operations and competitive environments to ensure their innovation and branding strategies consistently achieve their potential.

Lee has been recognized as a leader in Chambers USA: America’s Leading Lawyers for Business in “Intellectual Property: Trademark, Copyright & Trade Secrets” since 2022. He has also been recognized in The Best Lawyers in America for "Trademark Law" and The Legal 500 United States in "Trademark Litigation" since 2019. Additionally, Lee has been selected for inclusion in the World Trademark Review 1000 for “Trademark Enforcement and Litigation” and “Trademark Prosecution and Strategy” since 2014.