ITC Investigates Lidocaine Patches for Patent Breaches
Published Date: 4/14/2026
Notice
Summary
The U.S. International Trade Commission is launching an investigation into certain over-the-counter lidocaine patches that might be breaking patent rules. This affects companies importing or selling these patches in the U.S., with possible orders to stop sales soon. The investigation started in April 2026 and could impact the market and money flow for these products.
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Analyzed Economic Effects
2 provisions identified: 0 benefits, 2 costs, 0 mixed.
Investigation Could Block Patch Imports
If you import or sell over-the-counter topical lidocaine patches in the United States, the U.S. International Trade Commission began an investigation on April 9, 2026 into alleged infringement of U.S. Patent No. 12,109,181. The complainant asked the Commission to issue a limited exclusion order and cease and desist orders after the investigation, which could stop the importation or sales of the accused patches.
Respondents Face 20-Day Response Deadline
Companies named in the complaint must file responses according to the Commission's rules, and the Commission will consider responses received not later than 20 days after service of the complaint and notice of investigation. If a named respondent fails to file a timely response, the Commission may treat that failure as a waiver and could issue an exclusion order or cease and desist order without further notice.
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