Jenner & Block

Shaun Van Horn counsels clients and litigates cases in intellectual property, competition law and complex commercial 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.

Mr. Van Horn has experience in patent infringement, pharmaceutical and biologics litigation.  Recent patent cases have involved technologies such as genetic engineering, oncology, immunology and chromatography purification.  He assists client with inter partes reviews and trade secret claims involving life sciences technology.  He also 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.

Mr. Van Horn’s commercial disputes practice focuses on financial services industry matters, involving hedge funds, private equity and offshore investments.  For example, he has helped investors in a liquidating fund secure a substantial arbitration award against their former manager, obtained injunctions to prevent violations of fiduciary and contractual obligations and handled litigation involving business torts among real estate investment trusts.  Mr. Van Horn has experience with numerous asset classes, including equities, distressed debt, CLOs, life settlements, credit-default swaps and other derivative instruments.   

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.  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.  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.