R. Mark Halligan is an accomplished trial lawyer who focuses his practice on intellectual property litigation in the United States and abroad. Mark is recognized worldwide as a leading practitioner in developing automated trade secret asset management blockchain systems. Mark frequently writes articles concerning Trade Secrets for Reuters.  A collection of articles can be found HERE.  Mark is co-author of Trade Secret Asset Management 2018: A Guide to Information Asset Management including RICO and Blockchain. In 2018, Mark was selected by Corporate LiveWire as the 2018 Innovator of the Year for his co-invention of the new Trade Secret Examiner® software platform for trade secret asset management. Mark has taught Advanced Trade Secrets Law in the LLM program at UIC John Marshall Law School for the past 28 years. He is the lead author of the Defend Trade Secrets Act Handbook 3rd Edition just published by Wolters Kluwer. Recently Mark was selected by Best Lawyers as the 2021 Lawyer of the Year in Trade Secrets Law. Mark is a Past President of the Intellectual Property Law Association of Chicago (IPLAC) and the General ...

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Fisher Broyles




U.S. Supreme Court
U.S. Court of Appeals, 6th Circuit
U.S. Court of Appeals, 7th Circuit
U.S. Court of Appeals, Fed. Circuit
U.S. District Court, N.D. Illinois
U.S. District Court, E.D.Wisconsin
U.S. District Court, N.D. Ohio
U.S. District Court, S.D. Ohio
U.S. District Court, N.D. California


Northwestern University School of Law J.D., 1978, Article Editor, Journal of Criminal Law and Criminology
University of Cincinnati, B.A. Political Science, 1975, Summa Cum Laude, Phi Beta Kappa

Prior Law Firm Experience

Nixon Peabody LLP
Lovells LLP
Squire Sanders & Dempsey

Practice Areas