Nelson M. Rosario focuses on preparing and prosecuting patent applications for companies in the electrical and computer technologies industry. His background and experience provide extensive knowledge in a wide range of areas including blockchain applications, cryptocurrencies, computer networking, mapping and navigation, mobile applications, financial platforms, and emerging technologies. He has worked for a variety of clients from startups to Fortune 500 companies.

Mr. Rosario was selected for inclusion in the Illinois Rising Stars® list in 2018, featuring outstanding young attorneys in the state.

Representative Experience

Mr. Rosario has experience in many technologies, including:

  • Cryptocurrency and Blockchain
  • Business methods
  • Computer hardware and software
  • Computer networking
  • Financial platforms and trading
  • Image processing
  • Medical imaging
  • Mobile applications
  • Navigation and routing

Background and Credentials

Prior to earning his J.D. from IIT Chicago-Kent College of Law, Mr. Rosario received a B.S. in computer science from Florida State University, where he was also inducted into the Upsilon Pi Epsilon International Honor Society for the Computing and Information Disciplines. He also earned a B.A. in history and political science from the University of Minnesota where he focused on US-Latin American Relations, and Civic Action and Citizenship.

Prior to joining Marshall, Gerstein & Borun LLP, Mr. Rosario worked as an intellectual property attorney for an intellectual property boutique in Chicago. During law school, he gained experience working in the legal department of a multi-national technology company, at a large general practice law firm, researching cyber security for a law professor, and externing for a magistrate judge at the Northern District of Illinois. Prior to law school, Mr. Rosario worked as an election administration official for a government agency in Tallahassee, Florida. At the election office he was involved in all aspects of voter registration, voter outreach, and absentee balloting. 

Mr. Rosario currently serves as an adjunct professor at Chicago-Kent College of Law, Illinois Institute of Technology, where he teaches the course “Blockchain, Cryptocurrency and the Law.”


  • Chicago-Kent College of Law, Illinois Institute of Technology (J.D.)
  • Florida State University (B.S.)
    • Computer Science
  • University of Minnesota (B.A.)
    • History and Political Science

Bar Admissions

  • Illinois

Publications and Presentations

  • "The Four Hurdles to Blockchain Adoption," Legaltech News, September 27, 2017.
  • "IP Considerations for Blockchain Technology," Presenter, The Chicago Bar Association, September 26, 2017. 
  • "Techstars Growth Session: Blockchains, Coin Sales, and ICOs,” Panelist, Techstars Chicago, August 23, 2017.
  • "Protecting IP in the Blockchain Sector," IPWatchdog, June 30, 2017 (featured quotes).
  • "Blockchain and Civic Tech Roundtable - Smart Contracts 2.0," Roundtable speaker, June 27, 2017.

Click here to see additional Publications and Presentations. 

Community and Professional Involvement

  • Chicago Council on Global Affairs – Young Professional Ambassador, Class of 20172018
  • Constitutional Rights Foundation of Chicago – Civic Leadership Council Member