It is illegal to use someone else’s registered trademark on the same or similar goods without their permission, which is an infringement of trademark rights. In serious cases, it constitutes a crime.

Reference legal provisions:

"Trademark Law"

Article 52 Any of the following acts shall constitute an infringement of the exclusive right to use a registered trademark:< /p>

(1) Using a trademark that is identical or similar to the registered trademark on the same or similar goods without the permission of the trademark registrant;

(2) Selling products that infringe the registered trademark goods with exclusive rights;

(3) Forging or manufacturing registered trademarks of others without authorization or selling counterfeit or unauthorized registered trademarks;

(4) Without trademark registration The person agrees to change his or her registered trademark and put the goods with the changed trademark back into the market;

(5) Cause other damage to the exclusive right to use the registered trademark of others.

"Criminal Law"

Article 213: If a trademark identical to the registered trademark is used on the same kind of goods without the permission of the owner of the registered trademark, if the circumstances are serious, the person shall be punished. The offender shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also or solely be fined; if the circumstances are particularly serious, he shall be sentenced to fixed-term imprisonment of not less than three years and not more than seven years, and shall also be fined.