The intellectual property dispute between Loongson Zhongke and Shanghai Xinlianxin, which lasted for more than two years, ushered in the final result.
On July 14, Loongson Zhongke Technology Co., Ltd. announced that Shanghai Xinlianxin Intelligent Technology Co., Ltd. ("Shanghai Xinlianxin") sued LoongArch and 3A5000 processor infringement of Loongson Zhongke. The Beijing Higher People's Court rejected the plaintiff Shanghai Xinlianxin's appeal and upheld the original judgment .
Loongson Zhongke stated in the announcement that the judgment result will not have a negative impact on the company's daily production and operation and profit and loss.
According to public information, the two parties in this lawsuit mainly have disputes over whether the self-developed LoongArch architecture claimed by Loongson Zhongke constitutes "out-of-scope use, modification and innovation, and relicensing" of MIPS.
On April 23, 2021, Loongson Zhongke filed a "Civil Complaint" with the Beijing Intellectual Property Court against Shanghai Xinlianxin Intelligent Technology Co., Ltd., requesting a judgment to confirm that the company's 3A5000 processor does not infringe the computer software copyright of the MIPS instruction system (referred to as "Litigation Case 1"); on November 19 of that year, Loongson Zhongke received a service from the Guangzhou Intellectual Property Court regarding Shanghai Xinlianxin's lawsuit against the company against LoongArch and 3A5000 processors (referred to as "Litigation Case 2"). Since the two cases were disputes based on the same legal facts, the Guangzhou Intellectual Property Court transferred the case 2 to the Beijing Intellectual Property Court for joint trial with the case 1. At the same time, Loongson Zhongke filed a withdrawal application for Case 1 with the Beijing Intellectual Property Court.
On February 6, 2023, Loongson Zhongke received the "Civil Ruling" and "Civil Judgment" from the Beijing Intellectual Property Court. Claims.
On February 27, 2023, Loongson Zhongke received a civil appeal from Shanghai Xinlianxin, requesting to revoke the first-instance judgment and amend the judgment in accordance with the law to support all the claims of the appellant Shanghai Xinlianxin.
On July 12, 2023, Loongson Zhongke received the final judgment result: the appeal was rejected and the original judgment was upheld.
Further reading: Loongson’s self-developed instruction set and MIPS do not have copyright infringement issues