Mark J. Liss

Mark J. Liss


Leydig, Voit & Mayer, LTD.

Recognized since 2013

Chicago, Illinois

Practice Areas

Trademark Law

Navigate to map location for Mark J. Liss
Spinning circle Big letter B

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.

Location
  • Two Prudential Plaza, Suite 4900
    180 North Stetson Avenue
    Chicago, IL 60601-6745
Education
  • Chicago-Kent College of Law at IIT, J.D., graduated 1981
Bar Admissions
  • Illinois, 1981
Affiliations
  • Intellectual Property Owners Association - (IPO)
  • International Trademark Association - (INTA)
Court Admissions
  • 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

Leydig, Voit & Mayer, LTD.
Headquarters: Chicago, Illinois

6 The Best Lawyers in America® awards

3 Best Lawyers: Ones to Watch® in America awards

Best Law Firms Badge Visit Website View Firm Profile

Recognized in The Best Lawyers in America® 2025 for work in:
  • Trademark 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
Additional Areas of Practice:
  • Commercial Litigation
  • Copyright Law
  • Litigation - Intellectual Property
  • Litigation - Patent
  • Patent Law

Spinning circle Big letter B

Publications

Your browser is not fully compatible with our automatic printer friendly formatting.

Please use the print button to print this profile page.

Spinning circle Big letter B