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Carolyn M. Passen

Special Counsel
Chicago Office

Carolyn M. Passen concentrates her practice in the area of intellectual property litigation and counseling. She has represented clients in a variety of complex intellectual property disputes involving claims of copyright, trademark and patent infringement, trade secret misappropriation, false advertising and unfair competition in courts throughout the country. Carolyn has also represented clients in proceedings before the US Patent and Trademark Office Trademark Trial and Appeal Board and before the US International Trade Commission. She regularly counsels clients on trademark clearance, prosecution and enforcement strategy.

While attending law school, Carolyn served as an editor of the Law Review and earned a certificate in Intellectual Property. 

Shown below is a selection of Carolyn’s engagements.


Super Lawyers Rising Stars, Illinois, 2009–2010, 2014
Carolyn M. Passen


  • JD, DePaul University College of Law, cum laude
  • BA, Miami University, cum laude

Bar Admissions

  • Illinois

Court Admissions

  • US Court of Appeals, Federal Circuit
  • US Court of Appeals, Ninth Circuit
  • US District Court, Northern District of Illinois


Super Lawyers Rising Stars
Illinois, 2009–2010, 2014
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  • American Bar Association
  • The Chicago Bar Association
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