Sipo.gov.cn is tracked by us since April, 2011. Over the time it has been ranked as high as 9 999 in the world, while most of its traffic comes from China, where it reached as high as 877 position. It was owned by several entities, from 毛金生 中华人民共和国国家知识产权局 to 国家知识产权局, it was hosted by ChinaNetCenter Ltd., CNC Group CHINA169 Shandong Province Network and others.

Sipo has a mediocre Google pagerank and bad results in terms of Yandex topical citation index. We found that Sipo.gov.cn is poorly ‘socialized’ in respect to any social network. According to MyWot and Google safe browsing analytics, Sipo.gov.cn is quite a safe domain with no visitor reviews.