In recent years, qualified investor funds have become increasingly popular in the Czech Re-public. Those who manage these funds know that only investors who meet the legal criteria to be a qualified investor can become one. In other words, failure to meet the criteria excludes a potential investor from participation. This paper focuses on the criteria to become a qualified investor and their proper fulfilment. Moreover, this paper provides brief thoughts on whether the minimum initial investment sum, as one of the criteria, should be reviewed in the context of recent regulatory developments.