John_Guenther_headshot

John P. Guenther

Phone

Fax

248-689-4071

Assistant

LinkedIn

V Card

Biography

John’s practice encompasses all aspects of intellectual property law,
including domestic and international patent acquisition and
maintenance, trademark and copyright registration; intellectual
property enforcement and litigation; trade secret protection;
high-profile product and trademark clearances; large scale due
diligence efforts; joint venture and commercial agreements; and licensing.

Credentials

Bar Admissions

U.S. Supreme Court
U.S. Court of Appeals, Federal Circuit
U.S. District Court, Western District of Michigan
U.S. District Court, Eastern District of Michigan
State Bar of Michigan
U.S. Patent and Trademark Office

Distinctions

Animal Friendly Attorneys™ by Attorneys for Animals
AV® Preeminent Lawyer – Peer Review Rating of 5.0 out of 5.0 (Martindale-Hubbell)
Best Lawyers® – Patent and Trademark Law, 2016-Present
Client Choice Award – Intellectual Property: Patents, 2019
IP Stars® – Patent Star and Trademark Star
Leading Lawyers
Michigan Super Lawyers®
Top Lawyers – Dbusiness

Education

University of Detroit Law School, J.D. cum laude
University of Michigan, B.S.M.E

Memberships and Associations

Federal Bar Association
State Bar of Michigan
Oakland County Bar Association
Licensing Executives Society
American Intellectual Property Law Association
Michigan Intellectual Property Law Association

Publications/News

Posts Categories
Newsletter February/March 2026
The February/March edition of our newsletter is now available.  Here is a brief glance at what you will find in this edition: “First-filer vs. second-filer”,...
Rick Hoffmann has become a Fellow of the Litigation Counsel...
Rick Hoffmann has become a Fellow of the Litigation Counsel of America. The Litigation Counsel of America is a trial lawyer honorary society whose membership...
Alaina Norrito and Shannon Smith spoke at the Davidson Fellowship...
Alaina Norrito and Shannon Smith spoke at the Davidson Fellowship Conference on Innovation in Healthcare, sponsored by Henry Ford Health System and Henry Ford Innovations....