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.

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. 


  • 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