University of Detroit Law School
- J.D., cum laude
University of Michigan
- State Bar of Michigan, 1993
- U.S. District Court, Eastern District of Michigan, 1993
- U.S. District Court, Western District of Michigan, 2003
- U.S. Supreme Court, 2004
- U.S. Patent and Trademark Office
- U.S. Court of Appeals, Federal Circuit, 2007
Organizations & Affiliations
Federal Bar Association
State Bar of Michigan
Oakland County Bar Association
Licensing Executives Society
American Intellectual Property Law Association
Michigan Intellectual Property Law Association
Honors & Awards
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
Michigan Super Lawyers®
Top Lawyers – Dbusiness
John P. Guenther is a partner at Fishman Stewart PLLC.
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. In his practice, he counsels and represents a number of Fortune 500 companies, as well as a number of mid-size and start-up organizations, and universities. He has significant experience in the automotive, plastics, aerospace, health system, medical device, advertising, and telematics fields/industries.
John is registered to practice before the United States Patent and Trademark Office (USPTO). He has been admitted to practice in the U.S. district courts in several states, the U.S. Court of Appeals for the Federal Circuit, and the Supreme Court of the United States. He is also a longtime member of the Licensing Executive Society (LES).
From 1993-1999, John Guenther served as in-house legal counsel and Director of Intellectual Property for a prominent plastics company with both domestic and international operations. His years of in-house experience provides him with unique insight and expertise in connection with intellectual property and practical business considerations.