Richard S. Florsheim

Retired Partner


Richard Florsheim is a retired partner and intellectual property lawyer with Foley & Lardner LLP. For the past 20 years, Mr. Florsheim's practice has been devoted exclusively to the litigation and alternative dispute resolution of patent infringement and other intellectual property disputes. His experience included working on cases involving a wide variety of technologies, including electronics, medical devices, optics and optical communications, wireless communications, industrial controls, and semiconductors.

Since 1974, Mr. Florsheim has devoted his professional career to the litigation of intellectual property cases and other complex civil litigation. He has tried over two dozen cases before judges and juries. Mr. Florsheim has served as lead counsel in over 60 patent infringement cases involving products and services covering a broad range of technologies in various district courts, in the Court of Federal Claims and before the U.S. International Trade Commission. He has also argued over a dozen appeals from district court decisions in patent infringement litigations before the Federal Circuit Court of Appeals. He has had substantial experience representing clients in alternative dispute resolution proceedings, including the negotiation of litigation settlements and the conduct of arbitration proceedings, mediations and summary jury trials.

Thought Leadership

Mr. Florsheim was the chairman of the subcommittee of the American Intellectual Property Law Association responsible for drafting the AIPLA’s first model jury instructions for nationwide use in patent infringement litigation. He has lectured on the subject of patent litigation at numerous national seminars and has authored or co-authored a number of publications on the subjects of patent law and patent litigation.


  • BTI Client Service All-Stars list (2014); this elite group of standout attorneys — identified solely through unprompted client feedback — are recognized as delivering the absolute best client service; and Mr. Florsheim was one of only a dozen intellectual property litigators in the United States to have received this recognition in 2014 
  • The International Who's Who of Patent Lawyers (2013) 
  • IAM Patent 1000 – The World’s Leading Patent Practitioners (2013-2016) 
  • Wisconsin Super Lawyers® lists (2005-2015) 
  • Milwaukee Intellectual Property Litigation “Lawyer of the Year” (2013 and 2017) and Patent Litigation “Lawyer of the Year” (2013 and 2015) by The Best Lawyers in America©
  • Peer Review Rated as AV® Preeminent™, the highest performance rating in Martindale-Hubbell's peer review rating system 
  • The Best Lawyers in America©, current edition 
  • Who’s Who in the World, current edition 
  • Chambers USA: America’s Leading Lawyers for Business, current edition 
  • Featured among 10 leading IP lawyers in the U.S. in Inside the Minds: Leading Intellectual Property Lawyers: IP Experts Share Their Knowledge on the Art & Science of Intellectual Property Law (Aspatore Books, March 2002)

Professional Memberships

Mr. Florsheim is a member of the American Intellectual Property Law Association, Federal Circuit Bar Association, and the Patent, Trademark and Copyright Section of the American Bar Association.

Firm Leadership

Mr. Florsheim is former chair of the firm’s China Practice, and a former member of the firm’s Management Committee. He is former chair of the firm’s Industry Teams and Intellectual Property Departments, and previously served as leader of the firm’s Intellectual Property Litigation Practice.


Mr. Florsheim is a 1971 graduate of the Massachusetts Institute of Technology. He received his J.D., magna cum laude (first in his class), from Marquette University Law School in 1974.