William H. Horton - Giarmarco, Mullins & Horton, P.C.

William H. Horton

Listed in Best Lawyers since 2011
Phone: 248-457-7060


Mr. Horton has been trying lawsuits for over 25 years. He primarily practices in the areas of business and commercial disputes, employment law, and real estate cases. Many cases are related to the automobile industry.

Bill is certified as a Civil Trial Specialist by the National Board of Trial Advocacy, the foremost national organization to certify trial skills.

In business litigation, Bill has tried numerous shareholder disputes, claims of misappropriation of trade secrets, breach of non-competition agreements, and other competitive disputes.

Bill has been involved in the licensure, protection and litigation surrounding a number of software and other intellectual property developments. Prior to practicing law, he was involved in software development.

Mr. Horton became involved in a lake access dispute by accident over 15 years ago and has since handled dozens of cases involving riparian rights in many trial courts, the Michigan Court of Appeals and the Michigan Supreme Court.

Bill was the Managing Editor of the Law Review while in law school, is the former Chairperson of the State Bar of Michigan Computer Law Section, has written a number of articles, and is a frequent speaker.

Mr. Horton has an “AV” Peer Review rating from Martindale-Hubbell, the highest ranking by peers for general ethical standards and legal ability.

Practice Areas

  • Automotive
  • Employment and Labor
  • Litigation
  • Licensure Protection
  • Software Litigation
  • Riparian Rights


  • Oakland University, B.A.
  • Michigan State University Detroit College of Law, J.D.

Admitted to Practice

  • Michigan 1980
  • U.S. Supreme Court
  • U.S. Court of Appeals, 6th Circuit
  • U.S. Court of Appeals, Federal Circuit
  • U.S. District Court, Eastern District of Michigan
  • U.S. District Court, Western District of Michigan
  • Sault Ste. Marie Chippewa Tribal Court

Office Location

Columbia Center, 10th Floor
101 West Big Beaver Road
Troy, MI 48084-5280
United States

Practice Areas

Commercial Litigation

Other Information

Gender: Male