3 known cases. View patent page →
First Solar, Inc. initiated a patent infringement lawsuit against JinkoSolar related to TOPCon solar technology. JinkoSolar's subsequent Inter Partes Review petition against US Patent 9130074 was denied by the USPTO Director.
First Solar, Inc. filed a patent infringement lawsuit against Canadian Solar Inc. Canadian Solar (USA) Inc. later petitioned for Inter Partes Review of US Patent 9130074 (IPR2025-01130), which the USPTO Director denied.
Mundra Solar filed an Inter Partes Review petition challenging the validity of US Patent 9130074 and US Patent 9666732. The USPTO denied this petition on January 20, 2026, maintaining the validity of both patents.