‘Solar Module Super League’ (SMSL) member Q CELLS has responded to the recent patent infringement lawsuit filed by REC Group in China, suggesting its patents in the case lack validity.

In a short response, Q CELLS claimed REC Group's split cell and junction box technology, which is patented in countries such as China, had been rejected in Japan in 2019.

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As a result, Q CELLS would be petitioning for the invalidity of REC’s alleged patent in China. The SMSL member also noted that it was considering other “legal avenues”.

Q CELLS has previously sued REC Group, JinkoSolar and LONGi Solar over PERC (Passivated Emitter Rear Cell) processes with numerous cases pending and petitions of invalidity ongoing.

PV CellTech USA 2025

7 October 2025

San Francisco Bay Area, USA

PV Tech has been running an annual PV CellTech Conference since 2016. PV CellTech USA, on 7-8 October 2025 is our third PV CellTech conference dedicated to the U.S. manufacturing sector. The events in 2023 and 2024 were a sell out success and 2025 will once again gather the key stakeholders from PV manufacturing, equipment/materials, policy-making and strategy, capital equipment investment and all interested downstream channels and third-party entities. The goal is simple: to map out PV manufacturing in the U.S. out to 2030 and beyond.

UPCOMING EVENT

PV CellTech Europe 2026

10 March 2026

Frankfurt, Germany

The conference will gather the key stakeholders from PV manufacturing, equipment/materials, policy-making and strategy, capital equipment investment and all interested downstream channels and third-party entities. The goal is simple: to map out PV manufacturing out to 2030 and beyond.

c-si manufacturing, china, patent infringement, pv modules, q cells, rec group

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