PatentsChina
China’s CNIPA Invalidates First Solar Subsidiary Tetrasun’s Key TOPCon Patent in Win for JinkoSolar
JinkoSolar secures a pivotal patent invalidation ruling from China’s intellectual property authority, undermining First Solar’s legal protections in the Chinese market amid escala…
China’s National Intellectual Property Administration (CNIPA) has invalidated a crucial patent held by Tetrasun, a subsidiary of First Solar, related to advanced TOPCon solar cell technology. The ruling, based on lack of novelty and inventiveness, removes Tetrasun’s ability to block Chinese manufacturers from using th…
Monday, May 25, 2026
IIPLA News Desk