Atty. 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.
Trademark Law Attorney · Serving Chicago, IL
Profile Summary
About Lee J. Eulgen at a Glance
Lee J. Eulgen is a trademark attorney based in Chicago, Illinois, practicing at Neal, Gerber & Eisenberg LLP. Admitted to practice in Illinois, Illinois State Bar Association and Wisconsin, State Bar of Wisconsin. Educated at University of Wisconsin–Madison (J.D., 1997) and University of Notre Dame (B.B.A., 1994). Recognitions include Best Lawyers in America — Trademark Law (2026), Best Lawyers in America — Additional Areas of Practice: (2026), and Best Lawyers in America — Copyright Law (2026). Serves clients in Chicago, IL and the surrounding metropolitan area.
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About 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
Practice Areas Explained
Lee J. Eulgen's Areas of Legal Practice
Each practice area below reflects the types of cases Lee J. Eulgen handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Trademark Law in Chicago
Lee J. Eulgen is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →
Jurisdictional Context
Why Local Counsel Matters in Chicago
Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.
Chicago Courts and Legal Process
Choosing a Chicago-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.
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Professional Profile
Why Clients in Chicago Choose Lee J. Eulgen
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Lee J. Eulgen's practice in the field of trademark.
Multi-State Bar Admission
Licensed in Illinois, Illinois State Bar Association and Wisconsin, State Bar of Wisconsin, Lee J. Eulgen can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Focused Trademark Practice
Concentrating on trademark means Lee J. Eulgen's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.
Local Presence in Chicago
A Chicago-based practice means Lee J. Eulgen attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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Lee J. Eulgen's Practice Areas & Specializations
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