Jeffrey Tsai is an attorney at Greer, Burns & Crain who focuses his practice on all aspects of brand protection including trademark, copyright, trade secret, design patents, advertising, and Internet law. Jeffrey has experience involving global IP portfolio management, trademark and trade dress infringement, unfair competition, copyright infringement, right of publicity, domain name disputes, IP due diligence in corporate transactions, and anticounterfeit efforts. Jeffrey assists clients on enforcing IP rights against extraterritorial counterfeiters, as well as advises on global trademark clearance, prosecution, maintenance, and enforcement.

Prior to entering private practice, Jeffrey served as Law Clerk to The Honorable Judge Moira S. Johnson where he assisted Judge Johnson in crafting decisions and opinions on substantive motions, including issues of first impression on third-party witness disclosures and qualified privileges. Before joining GBC, he was an associate at a reputable IP boutique law firm where he maintained global trademark portfolios and litigated proceedings in U.S. Federal Courts and before the U.S. Trademarks Trial and Appeals Board.

Jeffrey received his J.D. from Chicago-Kent College of Law where he served as the Editor-in-Chief of the Journal of Intellectual Property, Vice President of the Intellectual Property Law Society, and President of the Asian Pacific American Law Student Association. Jeffrey also served as a Research Fellow for an intellectual property professor and a Teaching Assistant for Legal Writing 1 and Legal Writing 2. Jeffrey was admitted to the Bar and Gavel Society and received the Outstanding Leadership Award for his contributions to the student body, namely establishing the Student Diversity Counsel at Chicago-Kent. Since graduating, he continues to contribute by coaching moot court as an alumnus.

Bar Memberships

• Supreme Court of the State of Illinois
• United States District Court for the Northern District of Illinois

Professional Associations and Memberships

• The Richard Linn American Inn of Court
• Intellectual Property Law Association of Chicago (Diversity Equity and Inclusion Committee 2020-2022)
• American Bar Association – Section of Intellectual Property Law (Trademark State Legislation Subcommittee Chair 2023 – 2024)
• Asian American Bar Association of Greater Chicago
• Chinese American Bar Association of Greater Chicago (Vice President 2024 – Present)
• Filipino American Law Association of Chicago (Board of Director 2024 – Present)
• Japanese American Bar Association – Chicago Committee (Leadership Team 2022 – Present)

Civic and Charitable

• Lawyers for the Creative Arts (Associate Board 2022 – Present)
• Chinese American Service League – Chinatown Pro Bono Legal Clinic (2019 – Present)