In order to increase sales, the product is renamed and marked in Japanese and English to see if it infringes on other people's trademark rights. It is illegal to infringe on other people's trademark rights. Article 57 of the Trademark Law stipulates that any of the following acts infringes upon the exclusive right to use a registered trademark: using a trademark similar to the registered trademark on the same kind of goods without the permission of the trademark registrant, or using a similar trademark on similar goods Using a trademark that is the same as or similar to its registered trademark on the Internet, which is likely to cause confusion, or selling goods that infringe the exclusive rights of the registered trademark.