John P. Guenther

John P. Guenther

Fishman Stewart PLLC

Recognized since 2016

Troy, Michigan

Practice Areas

Litigation - Intellectual Property

Patent Law

Trademark Law

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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.

  • 800 Tower Drive, Suite 610
    Troy, MI 48098
  • University of Detroit Mercy, J.D., graduated 1993
Bar Admissions
  • Michigan, State Bar of Michigan
  • American Intellectual Property Law Association - Member
  • Federal Bar Association - Member
  • Licensing Executives Society - Member
  • Michigan Intellectual Property Law Association - Member
  • Oakland County Bar Association - Member
  • State Bar of Michigan - Member
Court Admissions
  • U.S. District Court, Eastern District of Michigan
  • U.S. District Court, Western District of Michigan
  • U.S. Supreme Court
  • U.S. Court of Appeals, Federal Circuit
  • U.S. Patent and Trademark Office

Fishman Stewart PLLC
Headquarters: Troy, Michigan

5 The Best Lawyers in America® awards

1 Best Lawyers: Ones to Watch® in America award

Best Law Firms Badge Visit Website View Firm Profile

Recognized in The Best Lawyers in America® 2024 for work in:
  • Litigation - Intellectual Property
  • Patent Law
  • Trademark Law
Special Focus:
  • Intellectual Property
  • Technology
  • AV® Preeminent Lawyer – Peer Review Rating of 5.0 out of 5.0 (Martindale-Hubbell)
  • Best Lawyers® – Patent and Trademark Law, 2016-Present
  • IP Stars® – Patent Star and Trademark Star
  • Dbusiness Top Lawyers
Additional Areas of Practice:
  • Copyright Law
  • Litigation - Patent
  • Trade Secrets Law

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