R. Mark Halligan is an accomplished trial lawyer who focuses his practice on intellectual property litigation including patent, copyright, trademark and trademark litigation in federal and state courts throughout the United States and abroad. Mark has also developed a nationally recognized trade secrets litigation practice focused on all aspects of trade secret law. Mark represents individuals, middle-market companies and large corporations, both as plaintiffs and defendants, in trade secret and non-compete disputes. Mark has become a "go-to" litigator on some of the most complex trade secret matters in the United States and worldwide.
Mark has been recognized as a pioneer in developing best practices and methods for the identification, classification, protection and valuation of trade secret assets. He is the co-author of the book entitled Trade Secret Asset Management: An Executive's Guide to Information Asset Management, Including Sarbanes-Oxley Accounting Requirements for Trade Secrets. Aspatore Books. ISBN 1-59622-560-2. (with Richard F. Weyand).
In recent years, Mark has been at the forefront of international developments in trade secret law. Mark is recognized as a thought leader in the every-growing area of trade secrets law, including new developments since the enactment of the America Invents Act (AIA). Mark was the Chair of the Q247 Trade Secrets Question at the AIPPI World Congress in Rio de Janeiro in October, 2015. Mark has spoken worldwide to numerous organizations and corporations on trade secrets law and he recently completed his 21th Year teaching Trade Secrets Law at John Marshall Law School in Chicago.
Mark has an AV Preeminent Rating from Martindale Hubbell and peer reviews rank Mark as a top lawyer in Intellectual Property in Chambers USA and Best Lawyer. Legal 500 has recognized Mark as a leading lawyer in trade secrets litigation every year since 2008. Mark has also been ranked as one of the world's Leading IP Strategists in IAM 250 and IAM 300 and recently Mark was recognized a leading TMT lawyer in the Who's Who Legal TMT Directory, 2016.
Mark is a frequent lecturer on intellectual property issues. His speaking engagements include the American Intellectual Property Law Association (AIPLA), the Licensing Executives Society (LES) the United States Patent and Trademark Office (USPTO), the Illinois Intellectual Property Law Association (IPLAC). He is General Editor of the Intellectual Property Law Handbook for the Illinois Institute for Continuing Legal Education (IICLE). Mark earned a JD from Northwestern University School of Law and a BA from the University of Cincinnati, summa cum laude.