First of all, when others see the "TM" logo on your trademark, they will generally think that this trademark has been used and will not apply for the same or similar trademark in the Trademark Office.

Secondly, according to the principle of prior use of trademarks, if you apply for the same or similar trademark as others on the same day, because you marked the trademark "TM" before him, this is strong evidence of prior use of trademarks, and your trademark application will be approved by the Trademark Office.

Finally, when your trademark marked "TM" has gained popularity in the society and belongs to an unregistered well-known trademark, your trademark is protected by law. When someone uses your trademark and the names of enterprises to mislead the public and constitute unfair competition, it shall be handled in accordance with the Law of People's Republic of China (PRC) on Anti-Unfair Competition.