Product name refers to the title of a product used to distinguish it from other products. Product names can be divided into general names and specific names. The common name of a commodity refers to the general name of a commodity that is well known to the public, such as: televisions, computers, tables, clothes, etc. A common name only refers to the name of the same type of goods and cannot be used to distinguish different goods of the same type. Therefore, the common name of the product cannot apply for trademark registration. The specific name of the product refers to the name of the specific product, such as: Jiafan wine, Maotai wine, 21 Jin Vita, etc. The specific name of a product can be registered as a trademark if it does not violate the provisions of the law. However, whether a trademark can be registered depends on the specific circumstances. How many trademarks can be registered for a product? It is said that "Wahaha" has registered "Wahaha" and many other trademarks that are relatively similar to "Wahaha". The same company uses several similar trademarks on the same product. This is called a "joint trademark". The purpose is to apply for several similar trademarks around one main trademark to prevent others from applying and to avoid weakening the main trademark. Using several trademarks on the same product at the same time, with one trademark taking the lead, will allow other trademarks to take advantage of the main trademark to quickly increase their popularity and value. It is of course very economical to spend one brand promotion fee to obtain several well-known trademarks at the same time. If a company owns several well-known trademarks at the same time, the intangible assets will of course be doubled, which is also beneficial to the company's brand operation.