R. Mark Halligan

FisherBroyles LLP

R. Mark Halligan has been recognized by Corporate LiveWire in 2017 as the Commercial Litigator of the Year in North America. Legal 500 rated Mr. Halligan as a foremost lawyer in trade secrets litigation in the United States. He has been inducted into The Legal 500 Hall of Fame.

Chambers USA: America’s Leading Lawyers for Business rates Mr. Halligan for his excellent reputation in intellectual property law. Managing Intellectual Property selected Mr. Halligan as an “IP Star.”

Mr. Hallligan works as a partner at FisherBroyles, LLP. He graduated with a Bachelor’s degree in political science from the University of Cincinnati in 1975. In 1978, he obtained his J.D. from the Northwestern University School of Law.

He is a successful trial lawyer, whose practice is focused on intellectual property litigation and complex commercial litigation, including antitrust and licensing issues.

Mr. Halligan is a former President of the Intellectual Property Law Association of Chicago (IPLAC) and currently serves as the General Editor of the Intellectual Property Law Handbook (2017) published by the Illinois Institute for Continuing Legal Education (IICLE).


  • 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


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What types of cases Attorney R. Mark Halligan & FisherBroyles LLP can handle?
FisherBroyles LLP can handle cases related to laws concerning Litigation, Internet Defamation, Antitrust & Trade, Intellectual Property, International Law. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is FisherBroyles LLP located?
FisherBroyles LLP is located at 203 N LaSalle St #2100, Chicago, IL 60601, USA. You can reach out to FisherBroyles LLP using their phone line (312) 607-0102. You can also check their website fisherbroyles.com.
How much would it cost to hire FisherBroyles LLP?
R. Mark Halligan lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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FisherBroyles LLP
North LaSalle Street 203
Chicago 60601 IL US
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