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ITCSeptember 29, 2026·DN-3940·PRE-INSTITUTION COMPLAINT FILED

Certain Extrusion-Coated Magnet Wire

U.S. International Trade Commission

Holding

Essex Solutions Inc. and Essex Solutions USA LLC filed a Section 337 complaint targeting certain extrusion-coated magnet wire imported, sold for importation, or sold after importation by Wellascent Electronic (Ganzhou) Co., Ltd. and Wellascent Technologies USA LLC. The Federal Register notice does not identify the asserted patents; complainants seek a limited exclusion order, cease-and-desist orders, and bond during the Presidential review period.

Why It Matters

The complaint concerns magnet wire used in electrical and electromagnetic applications, a component category potentially relevant to motors, transformers, electronics, and other U.S. manufacturing supply chains. The Commission is soliciting public-interest comments on health and welfare, competitive conditions, availability of like or directly competitive U.S.-made substitutes, domestic replacement capacity, and impact on U.S. consumers.

Full Summary

Essex Solutions Inc. and Essex Solutions USA LLC filed a Section 337 complaint targeting certain extrusion-coated magnet wire imported, sold for importation, or sold after importation by Wellascent Electronic (Ganzhou) Co., Ltd. and Wellascent Technologies USA LLC. The Federal Register notice does not identify the asserted patents; complainants seek a limited exclusion order, cease-and-desist orders, and bond during the Presidential review period. The complaint concerns magnet wire used in electrical and electromagnetic applications, a component category potentially relevant to motors, transformers, electronics, and other U.S. manufacturing supply chains. The Commission is soliciting public-interest comments on health and welfare, competitive conditions, availability of like or directly competitive U.S.-made substitutes, domestic replacement capacity, and impact on U.S. consumers. complainant: Essex Solutions Inc. and Essex Solutions USA LLC proposed respondents: Wellascent Electronic (Ganzhou) Co., Ltd. of China; Wellascent Technologies USA LLC of Grand Prairie, Texas products targeted: certain extrusion-coated magnet wire asserted patents: not identified in the Federal Register notice relief sought: limited exclusion order, cease-and-desist orders, and bond during the 60-day Presidential review period

Key Points

  • complainant: Essex Solutions Inc. and Essex Solutions USA LLC
  • proposed respondents: Wellascent Electronic (Ganzhou) Co., Ltd. of China; Wellascent Technologies USA LLC of Grand Prairie, Texas
  • products targeted: certain extrusion-coated magnet wire
  • asserted patents: not identified in the Federal Register notice
  • relief sought: limited exclusion order, cease-and-desist orders, and bond during the 60-day Presidential review period
infringementdomestic industryexclusion ordercease & desist

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