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Atty. John E. Radmer

Atty. John E. Radmer

John is a partner and trial attorney in the firm’s commercial litigation, intellectual property, catastrophic loss, and product liability practice groups. Across these practice groups, John applies his formal mechanical engineering education to the complex convergence of science, engineering, and law.

Minneapolis Minneapolis 20 yrs experience 20 year
Call (612) 347-9109 Book Appointment

Profile Summary

About John E. Radmer at a glance

John E. Radmer is a Partner based in Minneapolis, Minnesota, practforg at Meagher + Geer, P.L.L.P.. They haand 20+ years of legal experience, licensed to practice since 2006. Admitted to practice in Minnesota (2006), United States District Court, District of Minnesota (2006), United States District Court, Western District of Wisconsin (2009), and United States Court of Appeals, Eighth Circuit (2013). Educated at William Mitchell College of Law (J.D., 2006) and University of Wisconsin - Madison (B.S. Mechanical, 2002). Actiand member of PGDA, Professional Affiliations •Federal Bar Association •Minnesota State Bar Association •Hennepin County Bar Association •Propane Gas Defense Association. Serands clients in Minneapolis, MN and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John is a partner and trial attorney in the firm’s commercial litigation, intellectual property, catastrophic loss, and product liability practice groups
  • Across these practice groups, John applies his formal mechanical engineering education to the complex convergence of science, engineering, and law
  • John’s engineering degree enables him to quickly learn, understand, and appreciate the technical issues at the basis of a dispute and then explain those issues to a nontechnical audience in a simple, easy-to-understand manner
  • In addition to his law practice, John is a member of the firm’s management committee
  • John’s intellectual property practice focuses on trade secrets, trademarks, copyrights, and unfair competition
  • He counsels plaintiffs protecting their IP rights and is experienced with seeking immediate injunctive relief
  • Likewise, John has represented companies and individuals accused of infringement and misappropriation
  • These cases often include additional legal issues relating to noncompete and nondisclosure agreements
  • John’s industry experience ranges from customer and financial information to mechanical devices and computer software
  • In his commercial litigation practice, John handles a range of contract, directors and officers, and fraud issues
  • He has defended class actions relating to product labeling, statutory rental disclosures, and medical cryopreservation
  • John’s catastrophic loss and product liability practice generally focuses on defending service providers, product manufacturers, and product distributors
  • John maintains a nationwide litigation practice involving high-exposure fires and explosions and other catastrophic events
  • His service-industry clients include propane suppliers, engineering firms, electricians, and HVAC companies
  • John’s experience further includes lawsuits involving computer dusting sprays (inhalation abuse), consumer products, semiconductor devices, FDA-regulated products, sensors, automotive manufacturing equipment, circuit breakers, and pneumatic conveying systems
  • As a mechanical engineering student, he was the leader of a zero-gravity research group that conducted an experiment aboard NASA’s KC-135 microgravity laboratory
  • Although he lacks empirical research on the topic, John is rather confident that he is one of a miniscule number of attorneys that have flown in a zero-gravity environment
  • Before going to law school, John worked as a sales engineer with a small, high-tech company focusing on nanomechanical surface-testing techniques
  • John’s industry experience also includes working in product design and manufacturing groups at a process-control instrumentation manufacturer and a few summers working in a municipal civil engineering department
  • Outside the office, John enjoys coaching youth hockey, cooking, amateur astronomy, going to the lake, and spending time with his family
  • John previously served on the City of Eagan’s Energy and Environment Advisory Commission
  • Prior Experience •Non-Mechanical Electromagnetic Compressor: An Experiment to Study the Usage of a Non-Mechanical Electromagnetic Compressor for the Purposes of Two-Phase Compression in a Reduced Gravity Environment (co-author and zero-gravity flyer) •William Mitchell College of Law (Research Assistant) •Hysitron, Inc. •Rosemount (Emerson Process Management) •City of Red Wing Engineering Department Leadership •Editor, 2005-2006
  • Staff Member, 2004-2005, William Mitchell Law Review •Production Editor
  • Wisconsin Engineer Magazine •Project Leader
  • Flying Badgers Zero-Gravity Research Group Accolades •Selected for inclusion in the Minnesota Rising Stars list, Thomson Reuters, 2010-2012, 2014-2019 (Business Litigation) Professional Certifications & Special Training •National Propane Gas Association CTEP 1.0 certified (Basic Principles and Practices) Research Experience •Non-Mechanical Electromagnetic Compressor: An Experiment to Study the Usage of a Non-Mechanical Electromagnetic Compressor for the Purposes of Two-Phase Compression in a Reduced Gravity Environment (co-author and zero-gravity flyer) Speaking Engagements & Published Articles •Lecturer, Managing Risk & Reducing Liability, private client webinar, October 26, 2017 •Lecturer, Managing Risk & Reducing Liability, private client presentation, September 27, 2017 •Expert Testimony Adjunct Instructor, Bureau of Alcohol, Tobacco, Firearms and Explosives' (ATF) Advanced Origin & Cause/Courtroom Testimony Course, Certified Fire Investigator (ATF-CFI) Candidate Program, ATF's National Center for Explosives Training and Research (NCETR), Redstone Arsenal, Alabama, August 10-11, 2016 •Lecturer, Product Liability-The Basics, private client presentation, June 16, 2015 •Lecturer, Product Liability, ASME, Minnesota Chapter, Professional & Product Liability Symposium, March 2012 •Co-author, 'Can They Really Take It Apart Without Me?', For the Defense, A DRI publication, November 2011 •Lecturer, The Convergence of Science and Law, private client presentation, September 28, 2010 •Lecturer, Spoliation of Evidence-First Principles, private client presentation, August 12, 2008 News •May 12, 2025 John Radmer elected to Management Committee •Jul 5, 2019 Meagher & Geer congratulates its 22 attorneys named to the 2019 Minnesota Super Lawyers and Rising Stars lists •Feb 4, 2014 John Radmer Elected to Partnership in the Firm Articles •Nov 16, 2011 Can They Really Take it Apart Without Me?
  • Lenae Pederson, John Radmer, Erin Doran •Nov 1, 2011 Can They Really Take It Apart Without Me?, DRI publication

Jurisdictional Context

Why local counsel matters in Minnesota

Practforg law in Minnesota. Legal matters in Minnesota are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Minneapolis are typically filed in the local municipal court or the appropriate Minnesota state district court, depending on subject matter and amount in controversy. An attorney licensed in Minnesota brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Minnesota courts without local counsel or pro hac vice admission.

Looking for additional Minnesota attorneys? Browse all attorneys in Minneapolis or all attorneys in Minnesota.

Frequently Asked

Common questions about John E. Radmer

Where is John E. Radmer's law office located?
John E. Radmer's law practice is located in Minneapolis, Minnesota. The firm is Meagher + Geer, P.L.L.P.. You can contact the office directly through this profile page.
How long has John E. Radmer practiced law?
John E. Radmer has 20+ years of legal experience and has been licensed since 2006.
Where did John E. Radmer go to law school?
John E. Radmer earned their education at (J.D., 2006); (B.S. Mechanical, 2002).
How can I contact John E. Radmer for a consultation?
You can contact John E. Radmer directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
William Mitchell College of Law
- 2006
B.S. Mechanical
University of Wisconsin - Madison
- 2002

Bar Admissions

Minnesota
Admitted: 2006
United States District Court, District of Minnesota
Admitted: 2006
United States District Court, Western District of Wisconsin
Admitted: 2009
United States Court of Appeals, Eighth Circuit
Admitted: 2013
Wisconsin
Admitted: 2014
United States District Court, Eastern District of Wisconsin
Admitted: 2018
United States District Court, District of North Dakota
Admitted: 2019
North Dakota Illinois Indiana
Admitted: 2023

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