Nelson M.

Smolinski Rosario Law, P.C.
350 N. Orleans St., Suite 9000N
Chicago, IL 60654

Representative Technologies

  • Financial Technology
  • Distributed Ledger Technology
  • Network and Internet Communications
  • Navigation and Mapping
  • Artificial Intelligence
  • Mobile Applications
  • Medical Devices
  • B2B Software and B2C Software

Nelson Rosario

Rated by Super Lawyers

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Mr. Rosario is an attorney with a diverse set of skills and experience gained from working in private practice for multiple IP boutique law firms in Chicago, for the legal department of a large multi-national consumer electronics corporation, and for a federal magistrate judge. Prior to becoming an attorney, Mr. Rosario worked as an election official for a government agency. Mr. Rosario’s practice has a strong focus on intellectual property, particularly patents and trademarks, and in legal issues related to blockchain and cryptocurrency.

Mr. Rosario has a background in computer science, and he writes and speaks regularly on emerging technology issues relevant to attorneys and entrepreneurs. In addition, Mr. Rosario teaches a class called “Blockchain, Cryptocurrency, and Law” at Illinois Tech, Chicago-Kent College of Law covering the legal and technology issues surrounding the blockchain space.


Illinois Tech – Chicago-Kent College of Law, JD
Florida State University, BS in Computer Science
University of Minnesota, BA in History and Political Science

Selected publications and speaking engagements

“Current USA Regulatory Environment for Blockchain Companies,” Invited Speaker at IE Law School in Madrid, Spain, July 2018
“Can Blockchains Safeguard Elections?” In the Mesh, April 2018
“What’s in a Name? From Bitcoin to Blockchain to Distributed Ledger,” CoinDesk, February 2017

Mr. Rosario is the founder and organizer of BLOC (Blockchain Lawyers of Chicago), a blockchain networking group in Chicago.

Featured Quotes

What Twitter Meme Wars Say About Crypto’s Reliance on Figureheads by Leigh Cuen in Coindesk on December 4, 2019
The SEC Case Against Kik’s ICO Appears Strong, Experts Say by Nikhilesh De in Coindesk on June 5, 2019
Craig Wright files copyright claim for Bitcoin white paper by Ben Munster in Decrypt on May 21, 2019
Can JPMorgan Chase’s JPM Coin knock off Ripple and Swift? by Penny Crosman in American Banker on February 14, 2019
State of Blockchains: Community Perspectives by Peter Ryan in Coindesk on February 4, 2019
Binance Warns Iranian Traders to Withdraw Crypto Amid Sanctions by Leigh Cuen in Coindesk on November 15, 2018
US Bills Could Spell Disaster for Crypto Sex Industry by Leigh Cuen in Coindesk on March 15, 2018
Windy City Blockchain Lawyers Gather in the Loop by Brad Rosen in Jim Hamilton’s World of Securities on December 12, 2017

Media Appearnces

Recent Posts

Emerging Leaders

July 20th, 2020|0 Comments

Attorney Nelson Rosario has been selected to be a part of the Emerging Leader Class of 2021 for the Chicago Council on Global Affairs. "Emerging Leaders are chosen from corporate, non-profit and government sectors to [...]

Blockchain Patent Filing Trends

June 5th, 2019|0 Comments

Like them or not, patents are an indicator of interest in a technology. While concepts like “adoption” and “engagement” are often discussed as a means of gauging popularity, patent filings have a little more currency [...]