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Provided by Sara T Horton
Sara Tonnies Horton is Co-Chair of the IP Litigation Practice Group and focuses her practice on complex civil and intellectual property litigation in courts around the country, particularly patent and technology-related litigation matters. Sara has demonstrated first chair trial skills in scores of patent litigation matters and has tried several high-stakes trials in recent years. She has represented clients in disputes involving a variety of technologies including pharmaceuticals, polymers, packaging, alloys, and food manufacturing. In addition to patent matters, Sara has tried antitrust, actuarial malpractice, anti-dumping and transshipment, and other types of cases to juries. Sara has experience before the PTAB and served as past co-chair of the Amicus Committee of the PTAB Bar Association.
Sara received her J.D. from DePaul University College of Law and her B.S. from University of Notre Dame, in Chemistry.
Sara is a member of the Children’s Research Fund's Board of Directors. In addition, Sara teaches trial advocacy at the Harvard Law School and is an active member of the Richard Linn American Inn of Court.
Chambers USA, Intellectual Property in Illinois, since 2021
The Legal 500 United States, Intellectual property, Patents: litigation, since 2023
Managing IP, Patent Litigator of the Year – Midwest, 2026
Managing IP, Illinois Litigator of the Year, Shortlist, 2024, 2025; Patent Star: Illinois, since 2024; Top 250 Women in IP, 2025
IAM Patent 1000, since 2022
Euromoney Women in Business Law, Patent Lawyer of the Year, Shortlist, 2024
Euromoney Women in Business Law, Patent Lawyer of the Year, Shortlist, 2024
Via Sapientiae Award for outstanding contributions to the university - DePaul University College of Law, 2022
Via Sapientiae Award for outstanding contributions to the university - DePaul University College of Law, 2022
Provided by Chambers
Provided by Chambers
Sara is a terrific trial lawyer. She is very strategic and has a unique approach to interacting with opposing counsel that I think is very productive.
Sara is excellent in and out of the courtroom. She knows her way around the courtroom and is a top-notch litigator.
Sara is a terrific trial lawyer. She is very strategic and has a unique approach to interacting with opposing counsel that I think is very productive.
Sara is excellent in and out of the courtroom. She knows her way around the courtroom and is a top-notch litigator.