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

Practice Areas
  • Trademark Law
  • Copyright Law
  • Anti-Counterfeiting
  • Internet & Domain Name Disputes
  • Intellectual Property
  • Litigation

Contact Information

Ann Marie Sullivan is the principal attorney at AM Sullivan Law, LLC, in Chicago, Illinois, where her practice focuses primarily on trademark, copyright, and anti-counterfeiting litigation.


Professionally, Ms. Sullivan has focused her practice specifically on intellectual property law, including in the areas of trademark, copyright, publishing, branding, and entertainment law. She has experience handling a wide array of intellectual property and general legal matters, as she has and continues to manage intellectual property at every stage – from initial due diligence and clearance searches, to the drafting and filing of trademark and copyright applications, responding to USPTO office actions, managing IP portfolios, IP licensing, and in the enforcement of various intellectual property rights.


Ms. Sullivan received her J.D. and JD Certificate in Intellectual Property from John Marshall Law School in 2017. As a law student, she was the Lead Articles Editor for The John Marshall Law School’s Review of Intellectual Property Law, where her article on the intersection of Copyright and New Media remains one of the Law Review’s “Most Popular Articles.”