Chinese lithium-ion isolation film supplier SEMCORP has filed a lawsuit at the Guangzhou Intellectual Property Court against its rival Hebei Gellec New Energy Science&Technology Joint Stock Co.， Ltd (hereinafter referred to as Gellec), accusing Gellec of infringing two of its invention patents related to lithium-ion isolation film, according to an announcement by SEMCORP’s parent company Yunnan Energy New Material Co Ltd on August 10. The patent numbers of the two disputed patents involved are ZL201380061102.8 and ZL201810710744.0. Yunnan Energy New Material Co Ltd requests the court to order the defendant to immediately stop infringing its invention patents, destroy the infringing products and parts, tools, molds, equipment and drawings specially used for the manufacture of the infringing products, and pay 210 million yuan in compensation for its economic losses and reasonable expenses.