Jenner & Block

Shaun Van Horn counsels clients and litigates cases in a wide variety of complex commercial disputes, competition law, and intellectual property and technology disputes in state and federal courts throughout the country.  He also appears in arbitral forums, primarily representing publicly traded companies in high-stakes disputes.  Mr. Van Horn handles all aspects of court proceedings, and has extensive trial experience.

In competition law matters, Mr. Van Horn represented a Japanese client against price-fixing claims arising from the sale of cathode ray tubes, obtained dismissal of exclusive dealing claims on behalf of a French electrical parts maker, and secured agency antitrust approval for transactions in the chemical and used car auction industries.  He regularly counsels clients through competition law issues, such as joint ventures, distribution agreements, pricing strategy, marketing programs, legal compliance, and employee training.  Mr. Van Horn also has experience coordinating antitrust matters in Europe, Asia, and South America.     

Mr. Van Horn is also experienced in patent infringement litigation, pharmaceutical litigation, and biosimilar litigation.  Recent patent cases involved genetic engineering, oncology, immunology and liquid chromatography.  He frequently contributes to discussions on legal developments in the intellectual property field relating to antitrust issues. For example, he is co-author of the ABA Intellectual Property Law Section’s Antitrust Issues in Intellectual Property Law (2016), a multi-jurisdictional guide.   A member of the ABA Antitrust Section’s Intellectual Property Committee, he regularly publishes articles and makes presentations on issues at the intersection of intellectual property and antitrust.

In addition to his interdisciplinary litigation focus, Mr. Van Horn maintains an active pro bono practice, representing indigent clients accused of murder and other serious crimes.  In 2016, he obtained the release of his client, Jack McCullough, from Illinois prison following a 2012 murder conviction, paving the way for McCullough to be declared innocent.  He participated in the Chicago Bar Association’s Leadership Institute in 2017, a program “directed at emerging leaders within Chicago’s legal profession.”  Mr. Van Horn also serves on the board of the National Association of Urban Debate Leagues, an organization dedicated to advancing high school policy debate in our nation’s urban cores.