According to the company's investigation, on August 24, CATL, Jiangsu Tafel New Energy Technology Co., Ltd., Dongguan Tafel New Energy Technology Co., Ltd., etc., published the first-instance civil judgment on the infringement of utility model patent rights, case number No. 1, first instance, civil case, (2020) Fujian High People‘s Court, the trial court was Fujian High People’s Court.

According to the judgment, the plaintiff CATL claimed that it submitted and authorized a utility model patent application entitled "Explosion-proof Device" to China National Intellectual Property Administration. Without the authorization of CATL, the two Tafel Company jointly manufactures, sells, and promises to sell power batteries with specifications of NCM100Ah, NCM120Ah, and NCM135Ah for production and business purposes, using the patented technical solutions involved in the case, which constitutes an infringement of the patent rights involved. CATL requests to rule the two Tafel Companies jointly compensate the plaintiff 120 million yuan in economic losses, etc.

The defendant argued that the plaintiff had modified the claims in the invalidation procedure of the patent involved, which meant that the patent was currently in a partially invalid state, and requested that the trial of the case be suspended.