Johnathan R. "J.R." Maddox

Johnathan R. "J.R." Maddox


Henson Efron

Recognized since 2022

Minneapolis, Minnesota

Practice Areas

Litigation - Intellectual Property

Navigate to map location for Johnathan R. "J.R." Maddox Call Johnathan R. "J.R." Maddox at 612-339-2500
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“I speak three languages fluently: business, technology, and law. Science and legal degrees, combined with 15 years of intellectual property experience, generate positive results for my clients.”

Business clients rely on my litigation experience to mitigate risk and help keep them out of court. Whether it’s a well-written contract or an effectively handled negotiation, I work to protect your business assets and build your enterprise value.

I provide legal counsel to businesses of all sizes, from start-ups to large corporations. Understanding the science behind the technology allows me to provide the most valuable, effective, and cost-efficient legal solutions.

Creating an intellectual property strategy, I will help you identify, monetize, and protect your assets. If need be, we will enforce your intellectual property rights to safeguard your business and uphold the barriers to entry that strengthen your competitive advantage.

Regarding your business technology, I will assist you in comprehensively analyzing the applicable laws, from websites and e-commerce to smartphone apps. From there I can help you navigate compliance issues, develop internal efficiencies, mitigate risk and liability, and maximize the value of the technology so your business can flourish.

I find it personally and professionally rewarding to help people build their businesses.

See my full bio here.

Contact & Links
Location
  • 225 South Sixth Street, Suite 1600
    Minneapolis, MN 55402
Education
  • University of Minnesota, J.D., graduated 2003
  • University of Wisconsin–Madison, B.S., graduated 1999
Bar Admissions
  • Minnesota, United States Patent and Trademark Office, Minnesota State Bar, Minnesota Federal Bar, S. District Court, Eastern District of Wisconsin
Affiliations
  • American Intellectual Property Law Association - Member
  • Minnesota Intellectual Property Law Association - Member
  • Minnesota State Bar Association - Member

Henson Efron
Headquarters: Minneapolis, Minnesota

19 The Best Lawyers in America® awards

8 Best Lawyers: Ones to Watch® in America awards

Best Law Firms Badge Visit Website View Firm Profile

Recognized in The Best Lawyers in America® 2025 for work in:
  • Litigation - Intellectual Property
Awards:
  • Certified Information Privacy Professional
Additional Areas of Practice:
  • Copyright Law
  • Privacy and Data Security Law
  • Trade Secrets Law
  • Trademark Law

Publications

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