Donald W. Rupert - Marshall, Gerstein & Borun LLP
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Donald W. Rupert

Listed in Best Lawyers since 2007
Phone: 312-474-9571

With 35+ years’ experience, Donald W. Rupert has handled well over 100 IP litigation matters in the chemical, consumer products, heavy equipment, pharmaceutical, and computer industries.  He has been lead trial counsel in jury and bench trials, in the US and internationally, and lead appellate counsel in IP appeals; he has also acted as lead IP attorney in commercial transactions having a cumulative value of over $15 billion.  Don also is a member of the Commercial Arbitration Panel of the American Arbitration Association and arbitrates intellectual property disputes.  His skills have been acknowledged by Martindale-Hubbell® (AV rating), Best Lawyers in America, Leading Lawyers, SuperLawers (Illinois), and The Legal 500, which noted that clients describe him as a “person of ethics and integrity, with strong expertise.”

Miami UniversityBS 1968Washburn UniversityLL.B 1976
Washburn University School of LawDePaul University School of Law, Center for Intellectual Property Law & Information Technology Homestead Ranchers Summer Collegiate Baseball Team

Client Comments

"Don Rupert is a skilled lawyer who knows the law backwards and forwards. I value his insight, and he is my go-to lawyer when I need to brainstorm and tackle difficult issues."

-Daniel Shulman, Esq.

"Donald Rupert is extremely responsive and thorough. He is a pleasure to work with."

-Mary Helen Lucero
InterHealth Nutraceuticals, Incorporated

Office Location

6300 Willis Tower
233 South Wacker Drive
Chicago, IL 60606-6357
United States

Lawyer of the Year Awards

2014 Lawyer of the Year in Biotechnology Law of the Chicago Metro Area
Donald W. Rupert has earned a Lawyer of the Year award for 2014!

Practice Areas

Biotechnology Law (Life Sciences, Pharmaceutical)
Litigation - Intellectual Property
Litigation - Patent
Patent Law

Other Information

Gender: Male