Wallace Feng’s practice focuses on patent and trademark infringement litigation. His practice includes representation of clients in U.S. District Courts and the U.S. International Trade Commission.
Wallace also has experience in patent matters relating to medical devices and biological sciences. In addition, he litigates “Schedule A” trademark infringement actions in a wide variety of jurisdictions, including the Northern District of Illinois and the Southern District of Florida. He has experience in pre-suit investigation, discovery, motion practice, pre-trial and trial preparation, and negotiating case resolution.
In addition to his litigation matters, Wallace has been involved in prosecuting patent applications in the biological sciences and has experience in opinion work.
Articles, Publications & Lectures
- Feng, Wallace (2017) “Appropriation without Benefit-Sharing: Origin-of-Resource Disclosure Requirements and Enforcement under TRIPS and the Nagoya Protocol,” Chicago Journal of International Law: Vol. 18: No. 1, Article 7.
Technologies
Insights
- Nicole Kopinski and Wallace Feng to Present “Enforcement of Anti-Counterfeiting Claims” on February 10
February 5, 2026 - Wallace Feng Discusses USPTO Final Rule for Design Patent Applications
October 22, 2025 - Nicole Kopinski and Wallace Feng Host Presentation with ChiTownBio
October 15, 2025 - Wallace Feng Discusses Recent Trademark Decision Which Awarded the Defendant’s Revenue on Infringing Sales
September 29, 2025 - Wallace Feng Discusses the Punitive Damages Award in a Trademark Case before the Seventh Circuit Court of Appeals
January 9, 2025 - Leydig Sponsors IPO Annual Meeting on September 22-24 in Chicago
September 25, 2024 - Leydig Sponsors IPO Annual Meeting on September 22-24 in Chicago
September 17, 2024 - Wallace Feng Discusses Denial of Motion to Seal the Defendants Names in a “Schedule A” Litigation
March 18, 2024 - District Court Provides Decision on Induced Infringement of Method Patents
January 27, 2022 - USPTO and District Court rule that Artificial Intelligence (AI) Machine cannot be an Inventor
October 1, 2021