notice Published 2026-02-17

Certain Power Converters, Circuit Board Assemblies, and Computing Systems Containing the Same; Notice of Institution of Investigation

📌 ETDETA brief — importer impact summary (educational)

Brief takeaway: A Section 337 patent investigation has been opened that could, if it results in exclusion orders, affect importation of certain power converters and related products.

What changed: According to the notice, the U.S. International Trade Commission received a complaint filed by Vicor Corporation under Section 337 of the Tariff Act of 1930, alleging that certain imported products infringe claims of U.S. Patent No. 12,395,087. The notice states the complainant requests that the Commission institute an investigation and, following it, issue a limited exclusion order and cease and desist orders.

Who's affected: The notice names power converters, circuit board assemblies, and computing systems containing the same. It cites U.S. Patent No. 12,395,087 as the basis for the infringement allegations. Specific HTS codes and countries of origin are not specified in the notice.

What to review:
- Review whether any imported products fall within the described categories of power converters, circuit board assemblies, or computing systems containing them.
- Confirm with your customs broker or trade counsel how a Section 337 investigation and any resulting exclusion or cease and desist orders may be relevant to your supply chain.
- Check the ITC docket for the scope, respondents, and any procedural schedule as the investigation proceeds.

This is general information, not legal advice and not a compliance determination — confirm specifics with a licensed customs broker or trade counsel.

Official notice

Notice is hereby given that a complaint was filed with the U.S. International Trade Commission on January 12, 2026, under section 337 of the Tariff Act of 1930, as amended, on behalf of Vicor Corporation of Andover, Massachusetts. Supplements to the Complaint were filed on January 21, 23, and 26, 2026. On January 27, 2026, the public Complaint was refiled with a revised set of public exhibits. The complaint, as supplemented, alleges violations of section 337 based upon the importation into the United States, the sale for importation, and the sale within the United States after importation of certain power converters, circuit board assemblies, and computing systems containing the same by reason of the infringement of certain claims of U.S. Patent No. 12,395,087 ("the '087 patent"). The complaint further alleges that an industry in the United States exists as required by the applicable Federal Statute. The complainant requests that the Commission institute an investigation and, after the investigation, issue a limited exclusion order and cease and desist orders.

Source: Federal Register · International Trade Commission · Read the official notice ↗

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This update is a general educational summary based on public CBP CSMS / Federal Register information. It is not legal advice, customs broker advice, a final classification, duty determination, entry instruction, or compliance determination. Importers should confirm applicability, effective dates, HTSUS/Chapter 99 reporting, rates, refunds, PSC procedures, and filing instructions with their licensed customs broker, trade counsel, and/or CBP.