No trademark can guarantee 100% successful registration. It is mainly affected by two aspects. One is that the trademark examination standard is subjective and subject to the knowledge of trademark examiners

Structure, experience and other influences; Second, there is a three-month blank period (blind period) for the information that can be found on the Internet from the submission of a trademark, which is commonly known as the blind period. If there is evidence during the blind examination period

The same or similar trademark is already under application and cannot be found.