First Solar drops USITC complaint on TOPCon patent as import rules shift

First Solar withdrew its Section 337 filing at the US International Trade Commission targeting TOPCon solar technology competitors but continues patent litigation in federal court as Section 232 import restrictions take effect.

First covered Sep 16, 2026 · 3:30 AM PT · 2 articles · no longer in the live window

First Solar drops USITC complaint on TOPCon patent as import rules shift — Image via pv-tech.org

Coverage

9d PV Magazine First Solar drops TOPCon patent complaint — The thin-film manufacturer withdrew its Section 337 filing before the USITC following new Section 232 import restrictions, while federal court patent battles…

10d PV Tech First Solar to withdraw Section 337 complaint on TOPCon IP, continues US District Court lawsuits — Thin-film cadmium telluride (CdTe) solar module manufacturer First Solar has adjusted its enforcement of tunnel oxide passivated contact (TOPCon) intellectual…

More coverage from around the web

sec.gov FIRST SOLAR, INC. - Form 10-Q - FY2026

pv-magazine-usa.com First Solar drops TOPCon patent complaint - pv magazine USA

usitc.gov USITC Institutes Section 337 Investigation of Certain Topcon Solar Cells, Modules, Panels, Components Thereof, and Products Containing Same | United States International Trade Commission

solarpowerworldonline.com First Solar ends Sec. 337 investigation into competitors allegedly infringing on TOPCon patent

sec.gov FIRST SOLAR, INC. - Form 10-Q - FY2026

Appeared in: 2026-09-17 (#8) · 2026-09-18 (#16)

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