Litigation - Intellectual Property Trademark Law
Mark J. Liss
Recognized in Best Lawyers since 2013 Awarded Practice Areas
Biography
Mr. Liss is experienced in trademark, copyright, trade secret and unfair competition counseling and litigation. He has significant experience in complex inter partes proceedings before the Trademark Trial and Appeal Board (TTAB), and has represented numerous clients in federal courts around the U.S.
Mr. Liss represents clients in a wide variety of industries including health care, consumer goods and products, insurance and financial services, industrial and commercial products and online retail sales. Much of his practice is in litigation and trademark counseling. He has represented clients in lawsuits throughout the United States and inter-parties Trademark Office proceedings. He has acted as first chair in numerous trials and Trademark Office contested matters.
In addition to his litigation practice, Mr. Liss has extensive experience in trademark counseling. For example, he has provided detailed counseling, search advice and protectability opinions regarding global name trademark availability and protection issues. In fact, he has provided detailed consulting services in connection with spin-offs from Fortune 100 companies who were forming new and independent companies on a worldwide basis.
Overview
- Chicago-Kent College of Law at IIT, J.D., graduated 1981
- Illinois, 1981
- Intellectual Property Owners Association - (IPO)
- International Trademark Association - (INTA)
- U.S. Court of Appeals for the Federal Circuit
- U.S. District Court for the District of Colorado
- U.S. District Court for the Eastern District of Michigan
- U.S. District Court for the Eastern District of Wisconsin
- U.S. Court of Appeals for the Seventh Circuit
- U.S. Court of Appeals for the Ninth Circuit
- U.S. District Court for the Northern District of Illinois, including Trial Bar
- U.S. District Court for the Southern District of Wisconsin
- U.S. District Court for the Central District of Illinois
- U.S. District Court for the Western District of Michigan
- Illinois, 1981
- Intellectual Property Owners Association - (IPO)
- International Trademark Association - (INTA)
- Chicago-Kent College of Law at IIT, J.D., graduated 1981
- U.S. Court of Appeals for the Federal Circuit
- U.S. District Court for the District of Colorado
- U.S. District Court for the Eastern District of Michigan
- U.S. District Court for the Eastern District of Wisconsin
- U.S. Court of Appeals for the Seventh Circuit
- U.S. Court of Appeals for the Ninth Circuit
- U.S. District Court for the Northern District of Illinois, including Trial Bar
- U.S. District Court for the Southern District of Wisconsin
- U.S. District Court for the Central District of Illinois
- U.S. District Court for the Western District of Michigan
Client Testimonials
Awards & Focus
Recognized in The Best Lawyers in America® 2026 for work in:
- Litigation - Intellectual Property
- Trademark Law
Additional Areas of Practice:
- Commercial Litigation
- Copyright Law
- Litigation - Patent
- Patent Law
Awards:
- Awarded a Client Choice award for Intellectual Property - Trademarks
- Named in the Illinois Super Lawyers list, Intellectual Property Litigation, 2012-2017
- Recognized as a top Illinois trademark lawyer by the World Trademark Review 1000 (2011-2017)
- Selected by peers as a Leading Lawyer in Intellectual Property Law – Leading Lawyers Network
- Listed among the Top Lawyers in Illinois in Intellectual Property Law – Chicago Lawyer
- AV® Preeminent™ Peer Review Rated (Highest Rating) – Martindale-Hubbell
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