David’s practice is primarily devoted to Alternative Dispute Resolution, including arbitration and mediation of commercial and intellectual property disputes.

Before founding Allgeyer Law & ADR, LLC, David was a partner, associate, and of counsel with the law firm of Lindquist & Vennum, located in Minneapolis, Minnesota, for 35 years. He has litigated, arbitrated and mediated cases in state and federal trial and appellate courts and hearing rooms throughout the United States, including issues involving:

  • Intellectual property protection and licensing
  • Patents
  • Trademarks
  • Trade secrets
  • Copyrights
  • Unfair competition
  • Warranty disputes
  • Contract disputes
  • Business torts

Over the years, David has been appointed an arbitrator in over eighty-five commercial arbitrations and has successfully mediated dozens of cases ranging from all forms of Intellectual Property, commercial disputes and other areas of civil law, including contractual obligations, shareholder disputes, and Uniform Commercial Code issues relating to;

  • Medical devices
  • Software
  • Computer systems
  • Electronics manufacturing
  • Security technology
  • Heavy equipment and other industries
  • Manufacturing operations and methods
  • Gaming
  • Insurance
  • Bio-manufacturing

As a member of the AAA Commercial Panel, David has been appointed as Panel Chair, sole arbitrator or panel member in over 85 business disputes in various parts of the country including Minnesota, California, New York, Illinois, South Carolina, Oklahoma, Texas, Wisconsin, and Florida.

David has successfully mediated and settled cases in the areas of breach of contract, patents, trademarks, copyright, business torts, home improvement disputes, insurance issues, mechanic lien disputes, employment and general commercial law areas. He has served and continues to serve as a mediator for Hennepin County Court mediation programs, mediating cases in the areas of;

  • Commercial law
  • Consumer law
  • Landlord / tenant
  • Intellectual property
  • Mechanics liens
  • Home improvement disputes
  • Contract issues

David is a past chair of Lindquist and Vennum’s Litigation Department and Intellectual Property practice group and Commercial Litigation practice group and past chair of the Minnesota State Bar Association’s Alternative Dispute Resolution Section.

David is a Fellow in the College of Commercial Arbitrators.  (Please visit https://www.ccaarbitration.org/ for more information on CCA).  He  is included in the Silicon Valley Arbitration & Mediation Center’s List of World’s Leading Technology Neutrals. (For more information on SVAMC, please visit SVAMC.org.)

David was named Minneapolis Arbitration Lawyer of the Year in 2020 and 2016 by Best Lawyers, and Minneapolis Mediation Lawyer of the Year 2018. He has been listed by Chambers and SuperLawyers for his Intellectual Property, Arbitration and Mediation practices.

David is a nationally published author on arbitration with the American Bar Association’s publication of his book, Arbitrating Patent Disputes, A Practical Guide (available at shopadr.org.)

David began his career as a judicial law clerk in U.S. District Court for the District of Minnesota.