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Longi filed the lawsuit in China with the Jinan Intermediate Peoples Court in Shandong, demanding an immediate halt to the manufacture, sale and offers for sale of the allegedly infringing products. The lawsuit in the United States was filed in the U.S. District Court for the Eastern District of Texas. Chinese solar module manufacturer Longi has filed two patent infringement lawsuits against JinkoSolar, alleging the use of its solar cell technology in China and the United States. In China, Longi filed a lawsuit with the Jinan Intermediate Peoples Court in Shandong, demanding an immediate halt to the manufacture, sale and offers for sale of the allegedly infringing products. The Jinan Intermediate Peoples Court has accepted the case, and the trial date is scheduled for March 20, the company said in a statement. In the United States, the lawsuit was filed against Jinko Solar and its affiliates in the U.S. District Court for the Eastern District of Texas, alleging infringement of Jinko Solars TOPCon patents and multiple other unspecified PV module products. JinkoSolar has recently taken similar actions against Longi in China , Japan and Australia . In December 2024, JinkoSolar also filed a patent infringement lawsuit against competitor VSUN, a unit of Japans Fuji Solar, in the U.S. District Court for the Northern District of California. JinkoSolar said it sued VSUN and its U.S. subsidiaries, but did not identify a specific patent. Last week, JinkoSolar sued Indian solar company Waaree Energies and its US subsidiary, Waaree Solar Americas , in the US District Court for the Southern District of Texas, alleging infringement of its n-type TOPCon patent, US11,824,136B2. Since early 2024, competition in the Chinese solar industry has shifted from price battles to a full-blown patent war. A series of intellectual property disputes have erupted over TOPCon and back-contact (BC) technologies, involving major players in the sector such as Trina Solar, Canadian Solar, Longi, JinkoSolar, JA Solar, and Astronergy, among others. This case is the latest in this conflict. |
