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First Solar investigates major rivals for TOPCon patent infringement
2024.11.05
First Solar acquired its TOPCon patents when it bought TetraSun in 2013. Image: First Solar.

US-based cadmium telluride (CdTe) thin-film solar manufacturer First Solar is pursuing intellectual property infringement cases against five major Chinese solar manufacturers.

According to First Solar’s Q3 2024 earnings report, delivered last week, the cases are being pursued against JinkoSolar, Canadian Solar, JA Solar, LONGi and Trina Solar—collectively, five of the largest PV manufacturers in the world.