John's emphasis on litigating intellectual property disputes and background in engineering makes him an asset to his clients.


John litigates high-stakes technology and intellectual property disputes. With a background in chemical engineering, management experience in industry, and extensive experience litigating complex disputes, John seeks custom solutions for his clients’ disputes.

John has litigated patent, trademark, and trade secret disputes in Missouri state court and U.S. district courts throughout the country. John is especially skilled at challenging and defending the validity of patents in Inter Parte Review (IPR) and Post Grant Review (PGR) proceedings before the USPTO. John further has considerable experience in appellate practice before the Federal Circuit Court of Appeals.  

In addition to litigating disputes, John assists clients with a variety of other intellectual property matters, including patent counseling, patentability and non-infringement opinions, due diligence, and licensing.

Representative technologies that John has practiced in include: bio-energy, carbon capture, electroplating, metallurgical processing, plastics and materials, paints and coatings, light emitting diodes (LED), and mechanical/electro-mechanical devices.

Prior to law school, John gained invaluable technical and managerial experience working as a manufacturing and process engineer for General Motors.


John has extensive experience practicing before the Patent Trial and Appeal Board of the USPTO.  John has successfully helped his clients overcome numerous Inter Parte Review (IPR) and Post Grant Review (PGR) petitions to invalidate their patents. John has also successfully invalidated numerous patents asserted against his clients through IPR. He has also successfully appealed an IPR decision to Federal Circuit.

John has also successfully litigated complex matters in U.S. district courts through trial and appeal to the Federal Circuit, obtaining favorable outcomes for his clients. John has helped his clients achieve eight-figure settlements.

News & Insights

Speaking Engagements

2020 PTAB Year in Review, Bar Association of Metropolitan St. Louis, Feb. 2021

2022 PTAB Practice Update, Bar Association of Metropolitan St. Louis, June 2022


"2006-2016: A Decade of Contracting Patent Rights," The St. Louis Bar Journal, Vol. 63, No. 4, 2017



Selected to the 2024 edition of Best Lawyers in America©

Missouri & Kansas Super Lawyers© Rising Star, 2014-2020

Professional & Civic Activities

Professional & Civic Activities

Missouri Bar Association

Illinois Bar Association

Bar Association of Metropolitan St. Louis

  • Patent, Trademark & Copyright Section, Former Chair
  • Motion for Kids Committee, Former Subcommittee Chair

American Bar Association


  • Missouri, 2010
  • Illinois, 2011
  • U.S. Patent and Trademark Office, 2008
  • U.S. District Court for the Eastern District of Missouri, 2011
  • U.S. Court of Appeals for the Federal Circuit, 2016
  • U.S. District Court for the District of Colorado, 2022


St. Louis University School of Law, J.D., cum laude, 2010

  • Order of the Woolsack

Washington University in St. Louis, M.B.A., 2005

University of Missouri-Rolla, B.S., Chemical Engineering, 1999

Jump to Page

We use cookies on our website to improve functionality and performance, analyze website traffic and enable social media features. For more information, please see our Cookie Policy.