Ant Group, the financial technology affiliate of e-commerce giant Alibaba Group Holding Limited (NYSE:BABA) retained its spot as the largest holder of blockchain patents in 2020, according to a report by International Asset Management that cited data from Clarivate’s Derwent World Patents Index or DWPI. What Happened: Research published by IAM showed that Ant Group retained its top spot on the index, which aggregates patents filed for both quantity and quality, CoinDesk first reported. The rankings are dominated by Chinese companies, which lead the way in terms of blockchain patent filing volume. Ant Group filed 586 patents in 2020, which represents a 33% decrease from the 880 patents it filed in the previous year. The company has 2,298 blockchain patents.